CN112290219A - Small-size multichannel moves subassembly - Google Patents
Small-size multichannel moves subassembly Download PDFInfo
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- CN112290219A CN112290219A CN202010970950.2A CN202010970950A CN112290219A CN 112290219 A CN112290219 A CN 112290219A CN 202010970950 A CN202010970950 A CN 202010970950A CN 112290219 A CN112290219 A CN 112290219A
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- phase
- microwave signal
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- shifting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
- H01Q3/38—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters the phase-shifters being digital
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
本发明的一个实施例公开了一种小型多通道移相组件，包括：八路衰减移相电路和功率合成电路，其中，所述八路衰减移相电路，由八个单路衰减移相电路组成；用于分别将输入的八路微波信号进行衰减、隔直和移相，所述功率合成电路，用于将所述经过衰减、隔直和移相的八路微波信号输出合路信号。本发明采用八路衰减移相电路和三级功率合成的方式，将输入的八路微波信号合成一路微波信号输出，实现了组件多通道工作的功能。
An embodiment of the present invention discloses a small multi-channel phase-shifting component, comprising: an eight-channel attenuating phase-shifting circuit and a power combining circuit, wherein the eight-channel attenuating phase-shifting circuit is composed of eight single-channel attenuating phase-shifting circuits; The power combining circuit is used for attenuating, DC blocking and phase-shifting the input eight-channel microwave signals respectively, and the power combining circuit is used for outputting the combined signal for the eight-channel microwave signals that have undergone attenuation, DC blocking and phase-shifting. The invention adopts the method of eight-channel attenuation phase-shifting circuit and three-level power synthesis to synthesize eight input microwave signals into one microwave signal output, thereby realizing the function of multi-channel operation of components.
Description
Technical Field
The invention relates to the field of phased array radars. And more particularly to a compact multi-channel phase shifting assembly.
Background
The phase shift assembly is used for controlling the phase of each path of signal in the antenna array, can scan radiation beams and search multiple targets in an airspace, and is an important component of the T/R assembly of the phased array radar. The common phase shift component adopts a hybrid integrated circuit process, has a large volume, is mostly output in a single path, and cannot meet the requirements of small volume and multiple channels of a system.
Disclosure of Invention
It is an object of the present invention to provide a compact multi-channel phase shifting assembly that solves at least one of the problems of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a small multi-channel phase shift assembly, comprising:
the eight-path attenuation phase-shifting circuit consists of eight single-path attenuation phase-shifting circuits; used for respectively attenuating, blocking and phase-shifting the input eight paths of microwave signals,
the power synthesis circuit is used for carrying out power synthesis on microwave signals output by the first attenuation phase-shift circuit and the second attenuation phase-shift circuit, the third attenuation phase-shift circuit and the fourth attenuation phase-shift circuit, the fifth attenuation phase-shift circuit and the sixth attenuation phase-shift circuit, the seventh attenuation phase-shift circuit and the eighth attenuation phase-shift circuit in pairs, outputting four microwave signals, carrying out secondary power synthesis on the four microwave signals in pairs, outputting two microwave signals, finally carrying out tertiary power synthesis on the two microwave signals, and outputting a combined signal.
In one embodiment, the single-pass attenuated phase shift circuit comprises:
an attenuator that power attenuates the input microwave signal;
the first capacitor is used for carrying out DC blocking treatment on the input microwave signal attenuated by the attenuator and preventing the direct current of the front-end circuit from entering the circuit;
the broadband numerical control phase shifter is used for carrying out five-displacement phase shifting on the input microwave signal subjected to the blocking by the first capacitor;
the second capacitor is used for performing DC blocking treatment on the input microwave signal subjected to phase shifting by the broadband numerical control phase shifter to prevent direct current from entering a circuit;
and the serial-to-parallel driver is used for converting the input serial signal into a parallel signal through the serial-to-parallel driver and providing control for the broadband numerical control phase shifter.
In a specific embodiment, the output end of the attenuator is connected with the input end of the first capacitor, the output end of the first capacitor is connected with the input end of the broadband numerical control phase shifter, the output end of the broadband numerical control phase shifter is connected with the input end of the second capacitor, and the output end of the serial-parallel driver is connected with the control input end of the broadband numerical control phase shifter.
In one embodiment, the eight-way attenuated phase-shift circuit comprises:
the first attenuation phase-shift circuit is used for carrying out attenuation, blocking and numerical control phase-shift processing on the input first path of microwave signal;
the second attenuation phase-shift circuit is used for carrying out attenuation, blocking and numerical control phase-shift processing on the input second path of microwave signal;
the third attenuation phase-shifting circuit is used for carrying out attenuation, blocking and numerical control phase-shifting processing on the input third path of microwave signals;
the fourth attenuation phase-shift circuit is used for carrying out attenuation, blocking and numerical control phase-shift treatment on the input fourth path of microwave signals;
the fifth attenuation phase-shift circuit is used for carrying out attenuation, blocking and numerical control phase-shift processing on the input fifth path of microwave signals;
the sixth attenuation phase-shift circuit is used for carrying out attenuation, blocking and numerical control phase-shift processing on the input sixth path of microwave signals;
the seventh attenuation phase-shift circuit is used for carrying out attenuation, blocking and numerical control phase-shift processing on the input seventh path of microwave signals;
and the eighth attenuation phase-shifting circuit is used for carrying out attenuation, blocking and numerical control phase-shifting processing on the input eighth path of microwave signals.
In a specific embodiment, the power combining circuit includes:
the first power combiner combines the first path of microwave signal output by the first attenuation phase-shift circuit and the second path of microwave signal output by the second attenuation phase-shift circuit into a path of microwave signal to be output;
the second power combiner combines the third microwave signal output by the third attenuation phase-shift circuit and the fourth microwave signal output by the fourth attenuation phase-shift circuit into one microwave signal and outputs the microwave signal;
the third power combiner combines the fifth path of microwave signal output by the fifth attenuation phase-shift circuit and the sixth path of microwave signal output by the sixth attenuation phase-shift circuit into one path of microwave signal to be output;
the fourth power combiner combines the seventh path of microwave signal output by the seventh attenuation phase-shift circuit and the eighth path of microwave signal output by the eighth attenuation phase-shift circuit into one path of microwave signal to be output;
the fifth power synthesizer synthesizes the microwave signal output by the first power synthesizer and the microwave signal output by the second power synthesizer into a microwave signal and outputs the microwave signal;
the sixth power combiner combines the microwave signal output by the third power combiner and the microwave signal output by the fourth power combiner into a microwave signal and outputs the microwave signal;
and the seventh power combiner combines the microwave signal output by the fifth power combiner and the microwave signal output by the sixth power combiner into a microwave signal and outputs the microwave signal.
The invention has the following beneficial effects:
the technical scheme of the invention adopts a mode of combining eight paths of attenuation phase-shift circuits and three-level power to combine the input eight paths of microwave signals into one path of microwave signal for output, thereby realizing the function of multi-channel operation of the component, wherein a phase shifter in the eight paths of attenuation phase-shift circuits adopts a broadband numerical control phase shifter to realize the broadband phase-shift function. And the miniaturization of the component is realized by adopting the technology of combining the MCM and the MMIC.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings;
FIG. 1 shows a schematic diagram of a compact multi-channel phase shifting assembly according to one embodiment of the present application.
FIG. 2 is a schematic diagram of a one-way attenuated phase-shifting circuit of a compact multi-channel phase-shifting component according to an embodiment of the present application.
Reference numerals
100. A small multi-channel phase shift component, 1001, an eight-path attenuation phase shift circuit, 1002 and a power synthesis circuit; a1, a first attenuation phase-shifting circuit, B2, a second attenuation phase-shifting circuit, C3, a third attenuation phase-shifting circuit, D4, a fourth attenuation phase-shifting circuit, E5, a fifth attenuation phase-shifting circuit, F6, a sixth attenuation phase-shifting circuit, G7, a seventh attenuation phase-shifting circuit, H8, an eighth attenuation phase-shifting circuit, A9, a power combiner, B10, a power combiner, C11, a power combiner, D12, a power combiner, E13, a power combiner, F14, a power combiner, G15 and a power combiner.
A16, an attenuator, A17, a capacitor, A18, a broadband numerical control phase shifter, B19, a capacitor, A20 and a serial-parallel driver.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
Referring to FIG. 1, the relationship of the various circuit elements in a compact multi-channel phase shifting block 100 of the present invention is shown.
In a specific embodiment, in order to achieve a better multi-channel effect, the present disclosure synthesizes eight input microwave signals into one microwave signal for output by using an eight-way attenuation phase shift circuit and a three-level power synthesis mode, wherein a phase shifter in the eight-way attenuation phase shift circuit uses a broadband numerical control phase shifter to implement a broadband phase shift function. And the miniaturization of the component is realized by adopting the technology of combining the MCM and the MMIC. In this embodiment, the compact multi-channel phase shifting assembly 100 of the present disclosure comprises: eight paths of attenuation phase shift circuits 1001, which are composed of eight single path attenuation phase shift circuits; the phase shifter is used for respectively attenuating, blocking and shifting the phase of the input eight paths of microwave signals.
The power synthesis circuit 1002 is configured to perform power synthesis on every two microwave signals output by the first attenuation phase-shift circuit a1, the second attenuation phase-shift circuit B2, the third attenuation phase-shift circuit C3, the fourth attenuation phase-shift circuit D4, the fifth attenuation phase-shift circuit E5, the sixth attenuation phase-shift circuit F6, the seventh attenuation phase-shift circuit G7, and the eighth attenuation phase-shift circuit H8, output four microwave signals, perform two-stage power synthesis on every two microwave signals, output two microwave signals, perform three-stage power synthesis on the two microwave signals, and output a combined signal.
As shown in fig. 2, a schematic diagram of a single-pass attenuated phase-shift circuit of the present invention is shown.
In a specific embodiment, the single-pass attenuated phase-shift circuit sequentially comprises: an attenuator A16 that power attenuates the input microwave signal;
the capacitor A17 is used for carrying out DC blocking treatment on the input microwave signal attenuated by the attenuator and preventing the direct current of the front-end circuit from entering the circuit;
the broadband numerical control phase shifter A18 is used for carrying out five-displacement phase shifting on the input microwave signal which is subjected to the blocking by the capacitor A17;
a capacitor B19 for blocking the input microwave signal after phase shift of the broadband numerical control phase shifter to prevent direct current from entering the circuit;
and a serial-to-parallel driver A20 for converting the input serial signal into parallel signal via the serial-to-parallel driver, and providing control for the wideband numerical control phase shifter.
In a specific embodiment, the output terminal of the attenuator a16 is connected to the input terminal of the capacitor a17, the output terminal of the capacitor a17 is connected to the input terminal of the wideband digitally controlled phase shifter a18, the output terminal of the wideband digitally controlled phase shifter a18 is connected to the input terminal of the capacitor B19, and the output terminal of the serial-parallel driver a20 is connected to the control input terminal of the wideband digitally controlled phase shifter a 18.
In a specific embodiment, the output terminal of the first attenuated phase-shift circuit a1 and the output terminal of the second attenuated phase-shift circuit B2 are respectively connected to two input terminals of the power combiner a9, the output terminal of the third attenuated phase-shift circuit C3 and the output terminal of the fourth attenuated phase-shift circuit D4 are respectively connected to two input terminals of the power combiner B10, the output terminal of the fifth attenuated phase-shift circuit E5 and the output terminal of the sixth attenuated phase-shift circuit F6 are respectively connected to two input terminals of the power combiner C11, the output terminal of the seventh attenuated phase-shift circuit G7 and the output terminal of the eighth attenuated phase-shift circuit H8 are respectively connected to two input terminals of the power combiner D12, the output terminal of the power combiner a9 and the output terminal of the power combiner B10 are respectively connected to two input terminals of the power combiner E13, the output terminal of the power combiner C11 and the output terminal of the power combiner D12 are respectively connected to two, the output terminal of the power combiner E13 and the output terminal of the power combiner F14 are connected to two input terminals of a power combiner G15, respectively. The output end of the power combiner G15 is the combined signal output end of the small multi-channel phase-shifting module 100.
In a specific embodiment, when the single-path attenuation phase-shift circuit works, an externally input microwave signal firstly enters the attenuator A16, and the attenuator A16 performs power attenuation on the input microwave signal. The microwave signal attenuated by the attenuator A16 sequentially enters the capacitor A17, the broadband numerical control phase shifter A18 and the capacitor B19, and the capacitor A17 and the capacitor B19 are used for blocking the microwave signal in the circuit and preventing direct current from entering the circuit. The broadband numerical control phase shifter A18 carries out five-bit numerical control phase shifting on the input microwave signal after the capacitor A17 is isolated. The serial signal input from outside enters into serial-to-parallel driver A20, serial-to-parallel driver A20 converts the serial signal into parallel signal, and provides control for broadband digital control phase shifter A18.
In a specific embodiment, when the small-sized multi-channel phase shift module 100 operates, the first path of microwave signal input from the outside enters the first attenuating phase shift circuit a1, and the first attenuating phase shift circuit a1 performs attenuation, dc blocking and digitally controlled phase shift processing on the first path of input microwave signal. The second path of microwave signals input from the outside firstly enters a second attenuation phase-shift circuit B2, and the second attenuation phase-shift circuit B2 performs attenuation, DC blocking and numerical control phase-shift processing on the second path of input microwave signals. The third microwave signal input from outside enters the third attenuating phase-shift circuit C3, and the third attenuating phase-shift circuit C3 performs attenuation, dc blocking, and digital control phase-shift processing on the input third microwave signal. The fourth path of microwave signal input from outside enters the fourth attenuation phase-shift circuit D4, and the fourth attenuation phase-shift circuit D4 performs attenuation, blocking and digital control phase-shift processing on the fourth path of input microwave signal. The fifth path of microwave signal input from outside enters a fifth attenuation phase-shift circuit E5, and the fifth attenuation phase-shift circuit E5 performs attenuation, blocking and digital control phase-shift processing on the fifth path of input microwave signal. The sixth path of microwave signal input from outside enters the sixth attenuation phase-shift circuit F6, and the sixth attenuation phase-shift circuit F6 performs attenuation, blocking and digital control phase-shift processing on the sixth path of input microwave signal. The seventh path of microwave signal input from outside enters the seventh attenuation phase-shift circuit G7, and the seventh attenuation phase-shift circuit G7 performs attenuation, blocking and digital control phase-shift processing on the seventh path of input microwave signal. The eighth path of microwave signal input from outside enters the eighth attenuation phase-shift circuit H8, and the eighth attenuation phase-shift circuit H8 performs attenuation, blocking and digital control phase-shift processing on the eighth path of input microwave signal.
In a specific embodiment, the first path of microwave signal processed by the first attenuating and phase-shifting circuit a1 and the second path of microwave signal processed by the second attenuating and phase-shifting circuit B2 enter two input ends of the power combiner a9 at the same time, and the power combiner a9 performs power combining on the two paths of microwave signals to combine one path of microwave signal for output. The third microwave signal processed by the third attenuating and phase-shifting circuit C3 and the fourth microwave signal processed by the fourth attenuating and phase-shifting circuit D4 enter two input ends of the power combiner B10 at the same time, and the power combiner B10 performs power combining on the two microwave signals to combine one microwave signal and output the combined microwave signal. The fifth path of microwave signal processed by the fifth attenuation phase-shift circuit E5 and the sixth path of microwave signal processed by the sixth attenuation phase-shift circuit F6 enter two input ends of the power combiner C11 at the same time, and the power combiner C11 performs power combining on the two paths of microwave signals to combine one path of microwave signal for output. The seventh path of microwave signal processed by the seventh attenuation phase-shift circuit G7 and the eighth path of microwave signal processed by the eighth attenuation phase-shift circuit H8 enter two input ends of the power combiner D12 at the same time, and the power combiner D12 performs power combination on the two paths of microwave signals to combine one path of microwave signal for output. The microwave signal synthesized by the power synthesizer A9 and the microwave signal synthesized by the power synthesizer B10 enter two input ends of the power synthesizer E13 at the same time, and the power synthesizer D12 performs two-stage power synthesis on the two paths of microwave signals to synthesize one path of microwave signal and output the microwave signal. The microwave signal synthesized by the power synthesizer C11 and the microwave signal synthesized by the power synthesizer D12 enter two input ends of the power synthesizer F14 at the same time, and the power synthesizer F14 performs two-stage power synthesis on two paths of microwave signals to synthesize one path of microwave signal and output the microwave signal. The microwave signal synthesized by the power synthesizer E13 and the microwave signal synthesized by the power synthesizer F14 enter two input ends of the power synthesizer G15 at the same time, and the power synthesizer G15 performs three-stage power synthesis on two paths of microwave signals to synthesize one path of microwave signal and output the microwave signal. The output end of the power combiner G15 is the combined signal output end of the small multi-channel phase-shifting module 100.
The small-sized multi-channel phase-shifting component 100 adopts an eight-path attenuation phase-shifting circuit and a three-level power synthesis mode to synthesize eight paths of input microwave signals into one path of microwave signal for output, so that the multi-channel working function of the component is realized, wherein a phase shifter in the eight-path attenuation phase-shifting circuit adopts a broadband numerical control phase shifter to realize the broadband phase-shifting function. And the miniaturization of the component is realized by adopting the technology of combining the MCM and the MMIC.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010970950.2A CN112290219A (en) | 2020-09-16 | 2020-09-16 | Small-size multichannel moves subassembly |
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| CN202010970950.2A CN112290219A (en) | 2020-09-16 | 2020-09-16 | Small-size multichannel moves subassembly |
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| CN112290219A true CN112290219A (en) | 2021-01-29 |
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| CN202010970950.2A Pending CN112290219A (en) | 2020-09-16 | 2020-09-16 | Small-size multichannel moves subassembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113573432A (en) * | 2021-05-24 | 2021-10-29 | 中国电子科技集团公司第十三研究所 | Multi-channel microwave generating device of phase control system and programmable frequency source chip thereof |
| CN113645729A (en) * | 2021-05-24 | 2021-11-12 | 中国电子科技集团公司第十三研究所 | Multi-channel microwave generating device of phase control system and frequency source chip thereof |
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