CN111697992B - Receiving and transmitting integrated switch amplification network component - Google Patents
Receiving and transmitting integrated switch amplification network component Download PDFInfo
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- CN111697992B CN111697992B CN202010428356.0A CN202010428356A CN111697992B CN 111697992 B CN111697992 B CN 111697992B CN 202010428356 A CN202010428356 A CN 202010428356A CN 111697992 B CN111697992 B CN 111697992B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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Abstract
The invention discloses a switch amplification network component integrating receiving and transmitting. The assembly comprises first to fourth radio frequency transceiving circuits, a transceiving selection circuit, first to second receiving output circuits and first to second transmitting input circuits; the first radio frequency transceiver circuit, the second radio frequency transceiver circuit, the third radio frequency transceiver circuit, the fourth radio frequency transceiver circuit and the fourth radio frequency transceiver circuit are respectively used for receiving input signals in a receiving mode and transmitting output signals in a transmitting mode; the receiving and transmitting selection circuit is used for selecting a synthesis mode and switching a transmitting mode and a receiving mode; the first receiving output circuit, the second receiving output circuit, work in receiving the mode, is used for processing and outputting the radio frequency signal that the first to fourth radio frequency transceiver circuits receive; the first transmitting input circuit, the second transmitting input circuit, the transmitting mode, the first receiving selection circuit, the second receiving selection circuit and the fourth receiving selection circuit are all connected in series. The invention has the advantages of high integration level, small volume and high isolation.
Description
Technical Field
The invention relates to the technical field of electronic countermeasure, in particular to a switch amplification network component integrating receiving and transmitting.
Background
A radio frequency front end refers to the portion of a communication system between an antenna and an intermediate frequency (or baseband) circuit where signals are transmitted in radio frequency form. For wireless receivers, the rf front-end typically includes: amplifiers, filters, frequency converters, and some rf connections and matching circuits.
The radio frequency device is the core of wireless connection, and the radio frequency device is necessary to be arranged at any place needing the wireless connection. The number of global wireless connections will be multiplied in the future driven by the application of the internet of things. At present, a radio frequency front end module working in a 6-18GHz frequency band is relatively mature, but the radio frequency front end module aiming at a phased array system has relatively few schemes, the radio frequency front end module cannot be directly connected with an eight-channel Transmitter and Receiver assembly (T/R assembly), and the problems of receiving and transmitting separation, low integration level, large size, low inter-channel isolation level and the like exist.
Disclosure of Invention
The invention aims to provide a switch amplification network component which is provided with a plurality of input/output ports and integrates receiving and transmitting, can be directly butted with a T/R component, and has good phase consistency and high isolation between channels.
The 6-18GHz radio frequency front-end module with high integration and small size receives and transmits radio frequency.
The technical solution for realizing the purpose of the invention is as follows: a switch amplification network component integrating receiving and transmitting comprises first to fourth radio frequency receiving and transmitting circuits, a receiving and transmitting selection circuit, first to second receiving output circuits and first to second transmitting input circuits;
the first radio frequency transceiver circuit, the second radio frequency transceiver circuit, the third radio frequency transceiver circuit and the fourth radio frequency transceiver circuit are used for receiving input signals in a receiving mode and transmitting output signals in a transmitting mode;
the receiving and transmitting selection circuit is used for selecting a synthesis mode and switching a transmitting mode and a receiving mode;
the first receiving output circuit, the second receiving output circuit, the first receiving output circuit, the second receiving output circuit and the fourth receiving output circuit work in a receiving mode and are used for processing and outputting the radio frequency signals received by the first receiving output circuit, the second receiving output circuit and the fourth receiving output circuit;
the first transmitting input circuit, the second transmitting input circuit, the transmitting mode and the transmitting mode are connected in series, and the first transmitting input circuit, the second transmitting input circuit, the transmitting mode and the transmitting mode are connected in series;
when the receiving circuit works in a receiving mode, the first to fourth radio frequency receiving and transmitting circuits receive radio frequency signals, the receiving and transmitting selection circuit is switched to the receiving mode, and the first to second receiving output circuits process and output the radio frequency signals received by the first to fourth radio frequency receiving and transmitting circuits; when the receiving and transmitting selection circuit works in a transmitting mode, the first transmitting input circuit, the second transmitting input circuit, the receiving and transmitting selection circuit and the fourth transmitting input circuit process radio frequency signals to be output, the receiving and transmitting selection circuit is switched to the transmitting mode, and the first transmitting input circuit, the second transmitting input circuit, the third transmitting input circuit, the fourth transmitting input circuit and the fourth transmitting input circuit are connected in series.
Further, the first to fourth rf transceiver circuits are divided into four paths, and each path has the same structure, wherein:
the first radio frequency transceiving circuit comprises a first radio frequency transceiving port a1, a second radio frequency transceiving port a2, a power divider a, a radio frequency switch a and a low noise amplifier a;
the second radio frequency transceiving circuit comprises a third radio frequency transceiving port b1, a fourth radio frequency transceiving port b2, a power divider b, a radio frequency switch b and a low noise amplifier b;
the third radio frequency transceiving circuit comprises a fifth radio frequency transceiving port c1, a sixth radio frequency transceiving port c2, a power divider c, a radio frequency switch c and a low noise amplifier c;
the fourth radio frequency transceiving circuit comprises a seventh radio frequency transceiving port d1, an eighth radio frequency transceiving port d2, a power divider d, a radio frequency switch d and a low noise amplifier d.
Further, the transmit-receive selection circuit includes a synthesis mode selection switch a, a synthesis mode selection switch b, a synthesis mode selection switch c, a synthesis mode selection switch D, a power divider ab, a power divider ac, a power divider cd, a power divider bd, a working mode selection switch a, a transmit-receive selection switch a, a working mode selection switch D, and a transmit-receive selection switch D;
the synthesis mode selection switch a, the synthesis mode selection switch b, the synthesis mode selection switch c and the synthesis mode selection switch d are respectively connected with the output ends of the first to fourth radio frequency transceiver circuits, two movable ends of the synthesis mode selection switch a are respectively connected with one output end of the power divider ab and one output end of the power divider ac, two movable ends of the synthesis mode selection switch b are respectively connected with the other output end of the power divider ab and one output end of the power divider bd, two movable ends of the synthesis mode selection switch c are respectively connected with the other output end of the power divider ac and one output end of the power divider cd, and two movable ends of the synthesis mode selection switch d are respectively connected with the other output end of the power divider cd and the other output end of the power divider bd;
the common ends of the power divider ab and the power divider ac are respectively connected with two movable ends of a working mode selection switch A, the common ends of the power divider cd and the power divider bd are respectively connected with two movable ends of a working mode selection switch D, a fixed end of the working mode selection switch A is connected with a fixed end of a receiving and transmitting selection switch A, and a fixed end of the working mode selection switch D is connected with a fixed end of the receiving and transmitting selection switch D; two moving ends of the receiving and transmitting selection switch A are respectively connected with a first receiving output circuit and a first transmitting input circuit, and two moving ends of the receiving and transmitting selection switch D are respectively connected with a second receiving output circuit and a second transmitting input circuit.
Further, the first receiving output circuit comprises a low noise amplifier A and a first output port A; the second receiving output circuit includes a low noise amplifier D and a second output port D.
Further, the first transmit input circuit comprises a first input port a, a low noise amplifier a1, a single pole double throw switch a1, a delay chip a, an attenuator chip a, a single pole double throw switch a2, a low noise amplifier a2, a temperature-compensated attenuator a1, a low noise amplifier A3, a low noise amplifier a4, and a temperature-compensated attenuator a 2;
the second transmitting input circuit comprises a second input port D, a low-noise amplifier D1, a single-pole double-throw switch D1, a delay chip D, an attenuator chip D, a single-pole double-throw switch D2, a low-noise amplifier D2, a temperature-compensated attenuator D1, a low-noise amplifier D3, a low-noise amplifier D4 and a temperature-compensated attenuator D2.
Further, when the transceiver operates in a receiving mode, the first radio frequency transceiving port a1 and the second radio frequency transceiving port a2 of the first radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through the power divider a, then perform signal amplification through the radio frequency switch a and the low noise amplifier a, and then send the signal to the power divider ac or the power divider ab after selecting to be synthesized with the second radio frequency transceiving circuit or the third radio frequency transceiving circuit through the synthesis mode selection switch a; the power divider ac or the power divider ab synthesizes the received radio frequency signals to a link, then selects different radio frequency transceiver circuits for combination through the working mode selection switch A, and then enters a low noise amplifier A of a first receiving output circuit through the transceiver selection switch A; after the low noise amplifier A amplifies the signal, the signal is output through an output port A;
a third radio frequency transceiving port b1 and a fourth radio frequency transceiving port b2 of the second radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider b, then the radio frequency signal is amplified through a radio frequency switch b and a low noise amplifier b, and then the radio frequency signal is selected to be synthesized with the first radio frequency transceiving circuit or the fourth radio frequency transceiving circuit through a synthesis mode selection switch b and then is sent to a power divider ab or a power divider bd; the power divider ab or the power divider bd synthesizes received radio frequency signals to a link, then selects different radio frequency transceiving circuits for combination through a working mode selection switch A or a working mode selection switch D, and then enters a low noise amplifier A of a first receiving and outputting circuit or a low noise amplifier D of a second receiving and outputting circuit through the transceiving selection switch A or the transceiving selection switch D; after the low noise amplifier A or the low noise amplifier D carries out signal amplification, the signal is output through an output port A or an output port D;
a fifth radio frequency transceiving port c1 and a sixth radio frequency transceiving port c2 of the third radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider c, then the radio frequency signal is amplified through a radio frequency switch c and a low noise amplifier c, and then the radio frequency signal is selected to be synthesized with a fourth radio frequency transceiving circuit or synthesized with a first radio frequency transceiving circuit through a synthesis mode selection switch c and then sent to a power divider ac or a power divider cd; the power divider ac or the power divider cd synthesizes received radio frequency signals to a link, then selects different radio frequency transceiver circuits for combination through the working mode selection switch A or the working mode selection switch D, and then enters a low noise amplifier A of a first receiving and outputting circuit or a low noise amplifier D of a second receiving and outputting circuit through the receiving and transmitting selection switch A or the receiving and transmitting selection switch D; after the low noise amplifier A or the low noise amplifier D carries out signal amplification, the signal is output through an output port A or an output port D;
a seventh radio frequency transceiving port d1 and an eighth radio frequency transceiving port d2 of the fourth radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider d, then the radio frequency signal is amplified through a radio frequency switch d and a low noise amplifier d, and then the radio frequency signal is selected to be synthesized with the second radio frequency transceiving circuit or the third radio frequency transceiving circuit through a synthesis mode selection switch d and then sent to the power divider cd or the power divider bd; the power divider cd or the power divider bd synthesizes the received radio frequency signals to a link, selects different radio frequency transceiver circuits through the working mode selection switch D for combination, and then enters a low noise amplifier D of a second receiving and outputting circuit through the transceiver selection switch D; and after the low-noise amplifier D amplifies the signal, the signal is output through an output port D.
Further, when the transmitter works in a transmitting mode, an input signal of an input port A of the first transmitting input circuit passes through a low noise amplifier A1, then passes through a single-pole double-throw switch A1, one path passes through a time delay chip A, the other path passes through an attenuator chip A, the attenuation amount is consistent with the attenuation amount of the time delay chip A, so that the output gains of the two branches are consistent, the outputs of the two branches are sent to a single-pole double-throw switch A2, then pass through a low noise amplifier A2 and a temperature-compensated attenuator A1, amplify a radio frequency signal through a low noise amplifier A3 and a low noise amplifier A4, and then compensate power fluctuation caused by high and low temperature conditions through the temperature-compensated attenuator A2 and send the radio frequency signal to a transmitting and receiving selection switch A; the receiving and transmitting selection switch A is set to be in a transmitting mode, different radio frequency receiving and transmitting circuits are selected through the working mode selection switch A to be in shunt, then the signals are input to the synthesis mode selection switch a and the synthesis mode selection switch b through the power divider ab or the power divider ac, or the synthesis mode selection switch a and the synthesis mode selection switch c, are sequentially transmitted along the corresponding radio frequency receiving and transmitting circuits, and finally are divided into two paths to be output through the power divider a and the power divider b, or the power divider a and the power divider c;
an input signal of an input port D of the second transmitting input circuit passes through a low-noise amplifier D1, then passes through a single-pole double-throw switch D1, one path passes through a time delay chip D, the other path passes through an attenuator chip D, the attenuation is consistent with that of the second time delay chip, the output gains of the two branches are consistent, the outputs of the two branches are sent to a single-pole double-throw switch D2, then pass through a low-noise amplifier D2 and a temperature compensation attenuator D1, amplify a radio-frequency signal through a low-noise amplifier D3 and a low-noise amplifier D4, compensate power fluctuation caused by high and low temperature conditions through a temperature compensation attenuator D2, and send the power fluctuation to a transmitting and receiving selection switch D; the receiving and transmitting selection switch D is set to be in a transmitting mode, different radio frequency receiving and transmitting circuits are selected to be shunted through the working mode selection switch D, then the signals are input to the synthesis mode selection switch b and the synthesis mode selection switch D through the power divider bd or the power divider cd, or the synthesis mode selection switch c and the synthesis mode selection switch D are sequentially transmitted along the corresponding radio frequency receiving and transmitting circuits, and finally the signals are respectively divided into two paths to be output through the power divider b and the power divider D, or the power divider c and the power divider D.
Further, the low noise amplifier a, the low noise amplifier b, the low noise amplifier c, and the low noise amplifier d are all bidirectional amplifiers.
Further, a single-pole single-throw switch is respectively added at two ends of the single-pole double-throw switch A1, the single-pole double-throw switch A2, the single-pole double-throw switch D1 and the single-pole double-throw switch D2; the feed of the low noise amplifier A1, the low noise amplifier A2, the low noise amplifier A3 and the low noise amplifier A4 is controlled by a high-speed MOSFET switch tube; when the low-noise amplifier works in a receiving mode, the low-noise amplifiers in the transmitting input circuit are all in a power-off state, and reverse isolation of the low-noise amplifiers is achieved.
10. The transceiver-integrated switching amplifier network component of claim 8, wherein the common branches of the first to fourth rf transceiver circuits, the first to second receive output circuits, and the first to second transmit input circuits are designed with a symmetrical structure, the difference of phase consistency in the same operating mode is the inconsistency of the cross circuit, and the cross circuit uses an rf transition insulator crossing process to transition the rf signal to the back and then to the front to connect with the device after bypassing the cross circuit portion.
Compared with the prior art, the invention has the following remarkable advantages: (1) the switch amplifier is provided with eight receiving input ports which are simultaneously used as transmitting output ports, two transmitting input ports and two receiving input ports, and finally forms a switch amplifier network integrating receiving and transmitting into a whole by switching different working modes through a switch; (2) the transition insulator is adopted to realize the up-down opposite penetration of radio frequency signals, the phase consistency is verified through simulation, the phase consistency is strong, and the link consistency in the same working mode is less than or equal to +/-10 degrees; (3) the number of radio frequency link chips is reduced by adopting a multifunctional radio frequency chip, and meanwhile, the space structure is fully utilized by reasonably distributing the control chip and the radio frequency chip, the size is reduced, and the size of a finished product is only 200mm 44mm 7 mm; (4) the two ends of the single-pole double-throw switch are respectively added with a single-pole single-throw switch, the isolation between channels is high, the feed of the amplifier is controlled by a high-speed MOSFET switch tube, the receiving and transmitting isolation is further improved through the reverse isolation of the amplifier, and the receiving and transmitting isolation is high.
Drawings
Fig. 1 is a block diagram of a transceiver-integrated switching amplifier network component according to the present invention.
Fig. 2 is a schematic block diagram of a receive chain in the present invention.
Fig. 3 is a schematic block diagram of the transmit chain of the present invention.
Fig. 4 is a schematic structural diagram of an eight-way network shared by receiving/transmitting in the present invention.
Fig. 5 is a diagram of a network phase consistency simulation structure in an embodiment of the present invention.
FIG. 6 is a diagram illustrating simulation results of network phase consistency.
Detailed Description
With reference to fig. 1, the transceiver-integrated switching amplifier network assembly of the present invention includes first to fourth rf transceiver circuits, a transceiver selection circuit, first to second receive output circuits, and first to second transmit input circuits;
the first radio frequency transceiver circuit, the second radio frequency transceiver circuit, the third radio frequency transceiver circuit and the fourth radio frequency transceiver circuit are used for receiving input signals in a receiving mode and transmitting output signals in a transmitting mode;
the receiving and transmitting selection circuit is used for selecting a synthesis mode and switching a transmitting mode and a receiving mode;
the first receiving output circuit, the second receiving output circuit, the first receiving output circuit, the second receiving output circuit and the fourth receiving output circuit work in a receiving mode and are used for processing and outputting the radio frequency signals received by the first receiving output circuit, the second receiving output circuit and the fourth receiving output circuit;
the first transmitting input circuit, the second transmitting input circuit, the transmitting mode and the transmitting mode are connected in series, and the first transmitting input circuit, the second transmitting input circuit, the transmitting mode and the transmitting mode are connected in series;
when the receiving circuit works in a receiving mode, the first to fourth radio frequency receiving and transmitting circuits receive radio frequency signals, the receiving and transmitting selection circuit is switched to the receiving mode, and the first to second receiving output circuits process and output the radio frequency signals received by the first to fourth radio frequency receiving and transmitting circuits; when the receiving and transmitting selection circuit works in a transmitting mode, the first transmitting input circuit, the second transmitting input circuit, the receiving and transmitting selection circuit and the fourth transmitting input circuit process radio frequency signals to be output, the receiving and transmitting selection circuit is switched to the transmitting mode, and the first transmitting input circuit, the second transmitting input circuit, the third transmitting input circuit, the fourth transmitting input circuit and the fourth transmitting input circuit are connected in series.
Further, the first to fourth rf transceiver circuits are divided into four paths, and each path has the same structure, wherein:
the first radio frequency transceiving circuit comprises a first radio frequency transceiving port a1, a second radio frequency transceiving port a2, a power divider a, a radio frequency switch a and a low noise amplifier a;
the second radio frequency transceiving circuit comprises a third radio frequency transceiving port b1, a fourth radio frequency transceiving port b2, a power divider b, a radio frequency switch b and a low noise amplifier b;
the third radio frequency transceiving circuit comprises a fifth radio frequency transceiving port c1, a sixth radio frequency transceiving port c2, a power divider c, a radio frequency switch c and a low noise amplifier c;
the fourth radio frequency transceiving circuit comprises a seventh radio frequency transceiving port d1, an eighth radio frequency transceiving port d2, a power divider d, a radio frequency switch d and a low noise amplifier d.
Further, the transmit-receive selection circuit includes a synthesis mode selection switch a, a synthesis mode selection switch b, a synthesis mode selection switch c, a synthesis mode selection switch D, a power divider ab, a power divider ac, a power divider cd, a power divider bd, a working mode selection switch a, a transmit-receive selection switch a, a working mode selection switch D, and a transmit-receive selection switch D;
the synthesis mode selection switch a, the synthesis mode selection switch b, the synthesis mode selection switch c and the synthesis mode selection switch d are respectively connected with the output ends of the first to fourth radio frequency transceiver circuits, two movable ends of the synthesis mode selection switch a are respectively connected with one output end of the power divider ab and one output end of the power divider ac, two movable ends of the synthesis mode selection switch b are respectively connected with the other output end of the power divider ab and one output end of the power divider bd, two movable ends of the synthesis mode selection switch c are respectively connected with the other output end of the power divider ac and one output end of the power divider cd, and two movable ends of the synthesis mode selection switch d are respectively connected with the other output end of the power divider cd and the other output end of the power divider bd;
the common ends of the power divider ab and the power divider ac are respectively connected with two movable ends of a working mode selection switch A, the common ends of the power divider cd and the power divider bd are respectively connected with two movable ends of a working mode selection switch D, a fixed end of the working mode selection switch A is connected with a fixed end of a receiving and transmitting selection switch A, and a fixed end of the working mode selection switch D is connected with a fixed end of the receiving and transmitting selection switch D; two moving ends of the receiving and transmitting selection switch A are respectively connected with a first receiving output circuit and a first transmitting input circuit, and two moving ends of the receiving and transmitting selection switch D are respectively connected with a second receiving output circuit and a second transmitting input circuit.
Further, the first receiving output circuit comprises a low noise amplifier A and a first output port A; the second receiving output circuit includes a low noise amplifier D and a second output port D.
Further, the first transmit input circuit comprises a first input port a, a low noise amplifier a1, a single pole double throw switch a1, a delay chip a, an attenuator chip a, a single pole double throw switch a2, a low noise amplifier a2, a temperature-compensated attenuator a1, a low noise amplifier A3, a low noise amplifier a4, and a temperature-compensated attenuator a 2;
the second transmitting input circuit comprises a second input port D, a low-noise amplifier D1, a single-pole double-throw switch D1, a delay chip D, an attenuator chip D, a single-pole double-throw switch D2, a low-noise amplifier D2, a temperature-compensated attenuator D1, a low-noise amplifier D3, a low-noise amplifier D4 and a temperature-compensated attenuator D2.
With reference to fig. 2, when the transceiver operates in the receiving mode, the first rf transceiver port a1 and the second rf transceiver port a2 of the first rf transceiver circuit combine two paths of rf signals into one path of rf signal through the power splitter a, then perform signal amplification through the rf switch a and the low noise amplifier a, and then select, through the combining mode selection switch a, to combine with the second rf transceiver circuit or the third rf transceiver circuit, and send the resultant signal to the power splitter ac or the power splitter ab; the power divider ac or the power divider ab synthesizes the received radio frequency signals to a link, then selects different radio frequency transceiver circuits for combination through the working mode selection switch A, and then enters a low noise amplifier A of a first receiving output circuit through the transceiver selection switch A; after the low noise amplifier A amplifies the signal, the signal is output through an output port A;
a third radio frequency transceiving port b1 and a fourth radio frequency transceiving port b2 of the second radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider b, then the radio frequency signal is amplified through a radio frequency switch b and a low noise amplifier b, and then the radio frequency signal is selected to be synthesized with the first radio frequency transceiving circuit or the fourth radio frequency transceiving circuit through a synthesis mode selection switch b and then is sent to a power divider ab or a power divider bd; the power divider ab or the power divider bd synthesizes received radio frequency signals to a link, then selects different radio frequency transceiving circuits for combination through a working mode selection switch A or a working mode selection switch D, and then enters a low noise amplifier A of a first receiving and outputting circuit or a low noise amplifier D of a second receiving and outputting circuit through the transceiving selection switch A or the transceiving selection switch D; after the low noise amplifier A or the low noise amplifier D carries out signal amplification, the signal is output through an output port A or an output port D;
a fifth radio frequency transceiving port c1 and a sixth radio frequency transceiving port c2 of the third radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider c, then the radio frequency signal is amplified through a radio frequency switch c and a low noise amplifier c, and then the radio frequency signal is selected to be synthesized with a fourth radio frequency transceiving circuit or synthesized with a first radio frequency transceiving circuit through a synthesis mode selection switch c and then sent to a power divider ac or a power divider cd; the power divider ac or the power divider cd synthesizes received radio frequency signals to a link, then selects different radio frequency transceiver circuits for combination through the working mode selection switch A or the working mode selection switch D, and then enters a low noise amplifier A of a first receiving and outputting circuit or a low noise amplifier D of a second receiving and outputting circuit through the receiving and transmitting selection switch A or the receiving and transmitting selection switch D; after the low noise amplifier A or the low noise amplifier D carries out signal amplification, the signal is output through an output port A or an output port D;
a seventh radio frequency transceiving port d1 and an eighth radio frequency transceiving port d2 of the fourth radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider d, then the radio frequency signal is amplified through a radio frequency switch d and a low noise amplifier d, and then the radio frequency signal is selected to be synthesized with the second radio frequency transceiving circuit or the third radio frequency transceiving circuit through a synthesis mode selection switch d and then sent to the power divider cd or the power divider bd; the power divider cd or the power divider bd synthesizes the received radio frequency signals to a link, selects different radio frequency transceiver circuits through the working mode selection switch D for combination, and then enters a low noise amplifier D of a second receiving and outputting circuit through the transceiver selection switch D; and after the low-noise amplifier D amplifies the signal, the signal is output through an output port D.
With reference to fig. 3, when operating in the transmit mode, an input signal at the input port a of the first transmit input circuit passes through the low noise amplifier a1, then passes through the single-pole double-throw switch a1, one path passes through the delay chip a, the other path passes through the attenuator chip a, the attenuation is consistent with the attenuation of the delay chip a, so that the output gains of the two branches are consistent, the outputs of the two branches are sent to the single-pole double-throw switch a2, then pass through the low noise amplifier a2 and the temperature-compensated attenuator a1, amplify a radio frequency signal through the low noise amplifier A3 and the low noise amplifier a4, and then compensate power fluctuation caused by high and low temperature conditions through the temperature-compensated attenuator a2, and send the amplified radio frequency signal to the transmit-receive selection switch a; the receiving and transmitting selection switch A is set to be in a transmitting mode, different radio frequency receiving and transmitting circuits are selected through the working mode selection switch A to be in shunt, then the signals are input to the synthesis mode selection switch a and the synthesis mode selection switch b through the power divider ab or the power divider ac, or the synthesis mode selection switch a and the synthesis mode selection switch c, are sequentially transmitted along the corresponding radio frequency receiving and transmitting circuits, and finally are divided into two paths to be output through the power divider a and the power divider b, or the power divider a and the power divider c;
an input signal of an input port D of the second transmitting input circuit passes through a low-noise amplifier D1, then passes through a single-pole double-throw switch D1, one path passes through a time delay chip D, the other path passes through an attenuator chip D, the attenuation is consistent with that of the second time delay chip, the output gains of the two branches are consistent, the outputs of the two branches are sent to a single-pole double-throw switch D2, then pass through a low-noise amplifier D2 and a temperature compensation attenuator D1, amplify a radio-frequency signal through a low-noise amplifier D3 and a low-noise amplifier D4, compensate power fluctuation caused by high and low temperature conditions through a temperature compensation attenuator D2, and send the power fluctuation to a transmitting and receiving selection switch D; the receiving and transmitting selection switch D is set to be in a transmitting mode, different radio frequency receiving and transmitting circuits are selected to be shunted through the working mode selection switch D, then the signals are input to the synthesis mode selection switch b and the synthesis mode selection switch D through the power divider bd or the power divider cd, or the synthesis mode selection switch c and the synthesis mode selection switch D are sequentially transmitted along the corresponding radio frequency receiving and transmitting circuits, and finally the signals are respectively divided into two paths to be output through the power divider b and the power divider D, or the power divider c and the power divider D.
Further, the low noise amplifiers a to d are bidirectional amplifiers, and the parameters are shown in table 1:
TABLE 1
Further, a single-pole single-throw switch is respectively added at two ends of the single-pole double-throw switch A1, the single-pole double-throw switch A2, the single-pole double-throw switch D1 and the single-pole double-throw switch D2; the feeding of the low noise amplifiers A1, A2, A3 and A4 is controlled by a high-speed MOSFET switch tube; when the low-noise amplifier works in a receiving mode, the low-noise amplifiers in the transmitting input circuit are all in a power-off state, so that reverse isolation of the low-noise amplifiers is realized, and the transmitting isolation is increased.
Referring to fig. 4, the common branches of the first to fourth rf transceiver circuits, the first to second receive output circuits, and the first to second transmit input circuits are designed in a symmetrical structure, the difference of phase consistency in the same operating mode is the inconsistency of a cross circuit, the cross circuit uses an rf transition insulator penetration process to transition the rf signal to the back, and then, after bypassing the cross circuit, the rf signal is transited to the front to be connected to the device.
The invention is further described in detail with reference to the drawings and the specific embodiments.
Example 1
With reference to fig. 5, the embodiment performs modeling simulation analysis for phase consistency of the transition region, fig. 6 is specific simulation data, it can be seen that a phase difference mainly including a group delay from 6GHz to 18GHz is obtained, the phase is within a range of 3.78 to 11 °, it can be seen that a worst point is about-11 ° at 18GHz, and a best point is-3.78 ° at 6GHz, two microstrip line transition structure lines have been processed and physically tested, and according to a simulation result, a requirement of ± 10 ° is met, and an extended microstrip line is adopted to enable a module transition structure to achieve a condition of phase consistency.
The main technical indicators of the whole receiving front end are as follows:
receiving gain: 20.5 +/-1 dB;
the working frequency is as follows: 6-18 GHz;
noise coefficient: less than or equal to 8.5 dB;
flatness in reception gain band: less than or equal to +/-1.5 dB;
input P-1: more than or equal to-10 dBm;
channel phase consistency: not more than +/-10 degrees;
inter-channel isolation: not less than 60 dB;
emission output power: 7.5 +/-1.5 dBm;
finally, the overall size of the whole module is only 200mm 44mm 7mm, the sizes in the height direction and the width direction are very small, and the module is suitable for high-integration assembly of a phased array system.
In summary, the present invention has eight receiving input ports/simultaneously as transmitting output ports, two transmitting input ports and two receiving input ports, and finally forms a switch amplifying network integrating receiving/transmitting into a whole by switching different working modes through a switch; the transition insulator is adopted to realize the up-down opposite penetration of radio frequency signals, the phase consistency is verified through simulation, the phase consistency is strong, and the link consistency in the same working mode is less than or equal to +/-10 degrees; the number of radio frequency link chips is reduced by adopting a multifunctional radio frequency chip, and meanwhile, the space structure is fully utilized by reasonably distributing the control chip and the radio frequency chip, the size is reduced, and the size of a finished product is only 200mm 44mm 7 mm; the two ends of the single-pole double-throw switch are respectively added with a single-pole single-throw switch, the isolation between channels is high, the feed of the amplifier is controlled by a high-speed MOSFET switch tube, the receiving and transmitting isolation is further improved through the reverse isolation of the amplifier, and the receiving and transmitting isolation is high.
Claims (8)
1. A switch amplification network component integrating transceiving is characterized by comprising first to fourth radio frequency transceiving circuits, a transceiving selection circuit, first to second receiving output circuits and first to second transmitting input circuits;
the first radio frequency transceiver circuit, the second radio frequency transceiver circuit, the third radio frequency transceiver circuit and the fourth radio frequency transceiver circuit are used for receiving input signals in a receiving mode and transmitting output signals in a transmitting mode; the first to fourth radio frequency transceiver circuits are divided into four paths, and each path has the same structure, wherein: the first radio frequency transceiving circuit comprises a first radio frequency transceiving port a1, a second radio frequency transceiving port a2, a power divider a, a radio frequency switch a and a low noise amplifier a; the second radio frequency transceiving circuit comprises a third radio frequency transceiving port b1, a fourth radio frequency transceiving port b2, a power divider b, a radio frequency switch b and a low noise amplifier b; the third radio frequency transceiving circuit comprises a fifth radio frequency transceiving port c1, a sixth radio frequency transceiving port c2, a power divider c, a radio frequency switch c and a low noise amplifier c; the fourth radio frequency transceiving circuit comprises a seventh radio frequency transceiving port d1, an eighth radio frequency transceiving port d2, a power divider d, a radio frequency switch d and a low noise amplifier d;
the receiving and transmitting selection circuit is used for selecting a synthesis mode and switching a transmitting mode and a receiving mode; the receiving and transmitting selection circuit comprises a synthesis mode selection switch a, a synthesis mode selection switch b, a synthesis mode selection switch c, a synthesis mode selection switch D, a power divider ab, a power divider ac, a power divider cd, a power divider bd, a working mode selection switch A, a receiving and transmitting selection switch A, a working mode selection switch D and a receiving and transmitting selection switch D; the combining mode selection switch a, the combining mode selection switch b, the combining mode selection switch c and the combining mode selection switch d are respectively connected with the output ends of the first to fourth radio frequency transceiver circuits, two moving ends of the combining mode selection switch a are respectively connected with one output end of the power divider ab and one output end of the power divider ac, two moving ends of the combining mode selection switch b are respectively connected with the other output end of the power divider ab and one output end of the power divider bd, two moving ends of the combining mode selection switch c are respectively connected with the other output end of the power divider ac and one output end of the power divider cd, and two moving ends of the combining mode selection switch d are respectively connected with the other output end of the power divider cd and the other output end of the power divider bd; the common ends of the power divider ab and the power divider ac are respectively connected with two movable ends of a working mode selection switch A, the common ends of the power divider cd and the power divider bd are respectively connected with two movable ends of a working mode selection switch D, a fixed end of the working mode selection switch A is connected with a fixed end of a receiving and transmitting selection switch A, and a fixed end of the working mode selection switch D is connected with a fixed end of the receiving and transmitting selection switch D; two moving ends of the receiving and transmitting selection switch A are respectively connected with a first receiving output circuit and a first transmitting input circuit, and two moving ends of the receiving and transmitting selection switch D are respectively connected with a second receiving output circuit and a second transmitting input circuit;
the first receiving output circuit, the second receiving output circuit and the third receiving output circuit work in a receiving mode and are used for processing and outputting the radio frequency signals received by the first receiving circuit, the second receiving output circuit and the third receiving output circuit;
the first transmitting input circuit, the second transmitting input circuit, the transmitting mode and the transmitting mode are connected in series, and the first transmitting input circuit, the second transmitting input circuit, the transmitting mode and the transmitting mode are connected in series;
when the receiving circuit works in a receiving mode, the first to fourth radio frequency receiving and transmitting circuits receive radio frequency signals, the receiving and transmitting selection circuit is switched to the receiving mode, and the first to second receiving output circuits process and output the radio frequency signals received by the first to fourth radio frequency receiving and transmitting circuits; when the receiving and transmitting selection circuit works in a transmitting mode, the first transmitting input circuit, the second transmitting input circuit, the receiving and transmitting selection circuit and the fourth transmitting input circuit process radio frequency signals to be output, the receiving and transmitting selection circuit is switched to the transmitting mode, and the first transmitting input circuit, the second transmitting input circuit, the third transmitting input circuit, the fourth transmitting input circuit and the fourth transmitting input circuit are connected in series.
2. The transceiver-integrated switching amplification network component of claim 1, wherein the first receive output circuit comprises a low noise amplifier a and a first output port a; the second receiving output circuit includes a low noise amplifier D and a second output port D.
3. The transceiver-integrated switching amplification network component of claim 2, wherein the first transmit input circuit comprises a first input port a, a low noise amplifier a1, a single pole double throw switch a1, a delay chip a, an attenuator chip a, a single pole double throw switch a2, a low noise amplifier a2, a temperature-compensated attenuator a1, a low noise amplifier A3, a low noise amplifier a4, and a temperature-compensated attenuator a 2;
the second transmitting input circuit comprises a second input port D, a low-noise amplifier D1, a single-pole double-throw switch D1, a delay chip D, an attenuator chip D, a single-pole double-throw switch D2, a low-noise amplifier D2, a temperature-compensated attenuator D1, a low-noise amplifier D3, a low-noise amplifier D4 and a temperature-compensated attenuator D2.
4. The switching amplifier network component of claim 3, wherein when operating in a receiving mode, the first rf transceiver port a1 and the second rf transceiver port a2 of the first rf transceiver circuit combine two rf signals into one rf signal through a power divider a, then perform signal amplification through an rf switch a and a low noise amplifier a, and then send the combined signal to a power divider ac or a power divider ab after being selected and combined with the second rf transceiver circuit or the third rf transceiver circuit through a combining mode selection switch a; the power divider ac or the power divider ab synthesizes the received radio frequency signals to a link, then selects different radio frequency transceiver circuits for combination through the working mode selection switch A, and then enters a low noise amplifier A of a first receiving output circuit through the transceiver selection switch A; after the low noise amplifier A amplifies the signal, the signal is output through an output port A;
a third radio frequency transceiving port b1 and a fourth radio frequency transceiving port b2 of the second radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider b, then the radio frequency signal is amplified through a radio frequency switch b and a low noise amplifier b, and then the radio frequency signal is selected to be synthesized with the first radio frequency transceiving circuit or the fourth radio frequency transceiving circuit through a synthesis mode selection switch b and then is sent to a power divider ab or a power divider bd; the power divider ab or the power divider bd synthesizes received radio frequency signals to a link, then selects different radio frequency transceiving circuits for combination through a working mode selection switch A or a working mode selection switch D, and then enters a low noise amplifier A of a first receiving and outputting circuit or a low noise amplifier D of a second receiving and outputting circuit through the transceiving selection switch A or the transceiving selection switch D; after the low noise amplifier A or the low noise amplifier D carries out signal amplification, the signal is output through an output port A or an output port D;
a fifth radio frequency transceiving port c1 and a sixth radio frequency transceiving port c2 of the third radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider c, then the radio frequency signal is amplified through a radio frequency switch c and a low noise amplifier c, and then the radio frequency signal is selected to be synthesized with a fourth radio frequency transceiving circuit or synthesized with a first radio frequency transceiving circuit through a synthesis mode selection switch c and then sent to a power divider ac or a power divider cd; the power divider ac or the power divider cd synthesizes received radio frequency signals to a link, then selects different radio frequency transceiver circuits for combination through the working mode selection switch A or the working mode selection switch D, and then enters a low noise amplifier A of a first receiving and outputting circuit or a low noise amplifier D of a second receiving and outputting circuit through the receiving and transmitting selection switch A or the receiving and transmitting selection switch D; after the low noise amplifier A or the low noise amplifier D carries out signal amplification, the signal is output through an output port A or an output port D;
a seventh radio frequency transceiving port d1 and an eighth radio frequency transceiving port d2 of the fourth radio frequency transceiving circuit synthesize two paths of radio frequency signals into one path of radio frequency signal through a power divider d, then the radio frequency signal is amplified through a radio frequency switch d and a low noise amplifier d, and then the radio frequency signal is selected to be synthesized with the second radio frequency transceiving circuit or the third radio frequency transceiving circuit through a synthesis mode selection switch d and then sent to the power divider cd or the power divider bd; the power divider cd or the power divider bd synthesizes the received radio frequency signals to a link, selects different radio frequency transceiver circuits through the working mode selection switch D for combination, and then enters a low noise amplifier D of a second receiving and outputting circuit through the transceiver selection switch D; and after the low-noise amplifier D amplifies the signal, the signal is output through an output port D.
5. The switch amplification network component of claim 3, wherein when operating in the transmit mode, the input signal at the input port a of the first transmit input circuit passes through the low noise amplifier a1, then passes through the single-pole double-throw switch a1, one path passes through the delay chip a, the other path passes through the attenuator chip a, the attenuation is the same as the attenuation of the delay chip a, so that the output gains of the two branches are the same, the outputs of the two branches are sent to the single-pole double-throw switch a2, then sent to the low noise amplifier a2 and the temperature-compensated attenuator a1, and the radio frequency signal is amplified by the low noise amplifier A3 and the low noise amplifier a4, and then sent to the transmit/receive selection switch a by the temperature-compensated attenuator a2 to compensate the power fluctuation caused by the high and low temperature conditions; the receiving and transmitting selection switch A is set to be in a transmitting mode, different radio frequency receiving and transmitting circuits are selected through the working mode selection switch A to be in shunt, then the signals are input to the synthesis mode selection switch a and the synthesis mode selection switch b through the power divider ab or the power divider ac, or the synthesis mode selection switch a and the synthesis mode selection switch c, are sequentially transmitted along the corresponding radio frequency receiving and transmitting circuits, and finally are divided into two paths to be output through the power divider a and the power divider b, or the power divider a and the power divider c;
an input signal of an input port D of the second transmitting input circuit passes through a low-noise amplifier D1, then passes through a single-pole double-throw switch D1, one path passes through a time delay chip D, the other path passes through an attenuator chip D, the attenuation is consistent with that of the second time delay chip, the output gains of the two branches are consistent, the outputs of the two branches are sent to a single-pole double-throw switch D2, then pass through a low-noise amplifier D2 and a temperature compensation attenuator D1, amplify a radio-frequency signal through a low-noise amplifier D3 and a low-noise amplifier D4, compensate power fluctuation caused by high and low temperature conditions through a temperature compensation attenuator D2, and send the power fluctuation to a transmitting and receiving selection switch D; the receiving and transmitting selection switch D is set to be in a transmitting mode, different radio frequency receiving and transmitting circuits are selected to be shunted through the working mode selection switch D, then the signals are input to the synthesis mode selection switch b and the synthesis mode selection switch D through the power divider bd or the power divider cd, or the synthesis mode selection switch c and the synthesis mode selection switch D are sequentially transmitted along the corresponding radio frequency receiving and transmitting circuits, and finally the signals are respectively divided into two paths to be output through the power divider b and the power divider D, or the power divider c and the power divider D.
6. The transceiver-integrated switching amplification network component of claim 4 or 5, wherein the low noise amplifier a, the low noise amplifier b, the low noise amplifier c and the low noise amplifier d are all bidirectional amplifiers.
7. The transceiver-integrated switching amplification network component of claim 6, wherein a single-pole single-throw switch is added to each of the ends of the single-pole double-throw switch A1, the single-pole double-throw switch A2, the single-pole double-throw switch D1 and the single-pole double-throw switch D2; the feed of the low noise amplifier A1, the low noise amplifier A2, the low noise amplifier A3 and the low noise amplifier A4 is controlled by a high-speed MOSFET switch tube; when the low-noise amplifier works in a receiving mode, the low-noise amplifiers in the transmitting input circuit are all in a power-off state, and reverse isolation of the low-noise amplifiers is achieved.
8. The switching amplifier network component of claim 6, wherein the common branches of the first to fourth rf transceiver circuits, the first to second receive output circuits, and the first to second transmit input circuits are designed with a symmetrical structure, the difference of phase consistency in the same operation mode is the inconsistency of the cross circuit, the cross circuit uses an rf transition insulator threading process to transition the rf signal to the back, and then to the front to connect with the device after bypassing the cross circuit.
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| CN112994735B (en) * | 2021-04-12 | 2024-11-12 | 中国电子科技集团公司第五十四研究所 | A multifunctional radio frequency module |
| CN113359085A (en) * | 2021-06-01 | 2021-09-07 | 四川中电昆辰科技有限公司 | High-isolation time division multiplexing multichannel receiver and receiving method |
| CN114614839B (en) * | 2022-03-04 | 2023-03-24 | 电子科技大学 | A multi-channel Ka-band front-end component |
| CN116827321B (en) * | 2023-08-28 | 2023-12-05 | 中国电子科技集团公司第二十九研究所 | Switch and resistor-based switch routing circuit and application method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908946A (en) * | 2009-06-05 | 2010-12-08 | 瑞昱半导体股份有限公司 | Multi-antenna transmitting and receiving device and operation method thereof |
| CN103259571A (en) * | 2012-02-15 | 2013-08-21 | 系通科技股份有限公司 | Expansion module of multiple input multiple output wireless communication system |
| CN103780280A (en) * | 2014-02-27 | 2014-05-07 | 华为技术有限公司 | Radio frequency path |
| CN104215936A (en) * | 2014-08-20 | 2014-12-17 | 北京遥测技术研究所 | Eight-unit T/R (transmitting/receiving) basic module with function of S-band multi-beam transceiving duplexing |
| CN104702308A (en) * | 2014-12-12 | 2015-06-10 | 庄昆杰 | Micro structure MiMo radio frequency front end assembly |
| CN105553494A (en) * | 2016-01-18 | 2016-05-04 | 广州慧睿思通信息科技有限公司 | Radio frequency front-end frequency selection circuit and signal receiving method thereof |
| CN108282165A (en) * | 2017-12-25 | 2018-07-13 | 中国电子科技集团公司电子科学研究院 | A kind of wireless communication system architecture |
| CN108713295A (en) * | 2016-01-13 | 2018-10-26 | 瑞典爱立信有限公司 | Practical mixing pre-coding scheme for the extensive mimo system of multi-user |
| CN208479634U (en) * | 2018-08-24 | 2019-02-05 | 南京濠暻通讯科技有限公司 | A kind of Anneta module for the 5th third-generation mobile communication mimo system |
| CN109981119A (en) * | 2019-03-21 | 2019-07-05 | Oppo广东移动通信有限公司 | antenna multiplexing radio frequency device and terminal |
| CN110601728A (en) * | 2018-05-24 | 2019-12-20 | 摩托罗拉移动有限责任公司 | Method and apparatus for coupling one or more transceivers to multiple antennas |
-
2020
- 2020-05-20 CN CN202010428356.0A patent/CN111697992B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908946A (en) * | 2009-06-05 | 2010-12-08 | 瑞昱半导体股份有限公司 | Multi-antenna transmitting and receiving device and operation method thereof |
| CN103259571A (en) * | 2012-02-15 | 2013-08-21 | 系通科技股份有限公司 | Expansion module of multiple input multiple output wireless communication system |
| CN103780280A (en) * | 2014-02-27 | 2014-05-07 | 华为技术有限公司 | Radio frequency path |
| CN104215936A (en) * | 2014-08-20 | 2014-12-17 | 北京遥测技术研究所 | Eight-unit T/R (transmitting/receiving) basic module with function of S-band multi-beam transceiving duplexing |
| CN104702308A (en) * | 2014-12-12 | 2015-06-10 | 庄昆杰 | Micro structure MiMo radio frequency front end assembly |
| CN108713295A (en) * | 2016-01-13 | 2018-10-26 | 瑞典爱立信有限公司 | Practical mixing pre-coding scheme for the extensive mimo system of multi-user |
| CN105553494A (en) * | 2016-01-18 | 2016-05-04 | 广州慧睿思通信息科技有限公司 | Radio frequency front-end frequency selection circuit and signal receiving method thereof |
| CN108282165A (en) * | 2017-12-25 | 2018-07-13 | 中国电子科技集团公司电子科学研究院 | A kind of wireless communication system architecture |
| CN110601728A (en) * | 2018-05-24 | 2019-12-20 | 摩托罗拉移动有限责任公司 | Method and apparatus for coupling one or more transceivers to multiple antennas |
| CN208479634U (en) * | 2018-08-24 | 2019-02-05 | 南京濠暻通讯科技有限公司 | A kind of Anneta module for the 5th third-generation mobile communication mimo system |
| CN109981119A (en) * | 2019-03-21 | 2019-07-05 | Oppo广东移动通信有限公司 | antenna multiplexing radio frequency device and terminal |
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