CN105471445A - Novel and intelligent Bluetooth-WIFI integrated module - Google Patents
Novel and intelligent Bluetooth-WIFI integrated module Download PDFInfo
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- CN105471445A CN105471445A CN201510771655.3A CN201510771655A CN105471445A CN 105471445 A CN105471445 A CN 105471445A CN 201510771655 A CN201510771655 A CN 201510771655A CN 105471445 A CN105471445 A CN 105471445A
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- wifi
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- input
- transceiver
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Classifications
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/001—Channel filtering, i.e. selecting a frequency channel within the SDR system
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
The invention provides a novel and intelligent Bluetooth-WIFI integrated module. The novel and intelligent Bluetooth-WIFI integrated module comprises an antenna, a switch switching unit, an impedance matching circuit, a power amplification and filtering unit, a transceiver, a first AD/DA conversion circuit, a band-pass filter, a balance converter, a second AD/DA conversion circuit, a controller, a register and a data interface. An input end of the antenna is connected with an output end of the switch switching unit. The switch switching unit is connected with the impedance matching circuit and the band-pass filter. The impedance matching circuit is connected with the power amplification and filtering unit. The power amplification and filtering unit is connected with the transceiver. The transceiver is connected with the first AD/DA conversion circuit. The band-pass filter is connected with the balance converter. The balance converter is connected with the second AD/DA conversion circuit. The controller is connected with the second AD/DA conversion circuit, the first AD/DA conversion circuit, the register and the data interface.
Description
Technical field
The present invention relates to a kind of intelligent radio module, particularly relate to a kind of novel intelligent bluetooth, the two-in-one module of WIFI.
Background technology
Along with the development of wireless technology, society starts to enter the information-based shared epoch.The requirement of people to wireless technology is also more and more higher, and traditional only have the module of single wireless transmission method cannot to have closed the demand of people.The module with two or more wireless communication modes better could meet social development, meets the demand of people, reaches the better information sharing epoch.Based on above-mentioned requirements, need to develop a kind of novel intelligent bluetooth, the two-in-one module of WIFI, promote the development of social wireless technology.
Summary of the invention
The invention provides a kind of novel intelligent bluetooth, the two-in-one module of WIFI, solve the problem of existing wireless module communication.
The present invention solves the problem by the following technical programs:
A kind of novel intelligent bluetooth, the two-in-one module of WIFI, comprise antenna, switch switching unit, impedance matching circuit, power amplification and filter unit, transceiver, an AD/DA change-over circuit, band pass filter, balanced to unbalanced transformer, the 2nd AD/DA change-over circuit, controller, register and data-interface;
The input of described antenna is connected with the output of switch switching unit; Described switch switching unit is connected with impedance matching circuit and band pass filter respectively; Described impedance matching circuit is connected with filter unit with power amplification; Described power amplification is connected with transceiver with filter unit; Described transceiver is connected with an AD/DA change-over circuit; Described band pass filter is connected with balanced to unbalanced transformer; Described balanced to unbalanced transformer is connected with the 2nd AD/DA change-over circuit; Described controller is connected with the 2nd AD/DA change-over circuit, an AD/DA change-over circuit, register and data-interface respectively.
Preferably, described switch switching unit comprises intelligent switch and filter; Described filter one end is connected with antenna, and the other end is connected with intelligent switch; Described intelligent switch is connected with impedance matching circuit and band pass filter respectively.
Preferably, described intelligent switch is built-in chip type commutator.
Preferably, described power amplification and filter unit comprise WIFI transmitting portion and WIFI receiving unit, and the described input of WIFI transmitting portion is connected with the output of transceiver; The described output of WIFI transmitting portion is connected with the input of impedance matching circuit; The described input of WIFI receiving unit is connected with the output of impedance matching circuit; The described output of WIFI receiving unit is connected with the input of transceiver.
Preferably, described WIFI transmitting portion comprises low pass filter, power amplifier, power control circuit and band pass filter; The input of described band pass filter is connected with the output of transceiver; The output of described band pass filter is connected with the input of power amplifier; The output of described power amplifier is connected with the input of low pass filter; The output of described low pass filter is connected with the input of impedance matching circuit; The input of described power control circuit is connected with the control end of transceiver; The output of described power control circuit is connected with power amplifier.
Preferably, described WIFI receiving unit comprises low noise amplifier, gain detection circuit and match circuit; The input of described low noise amplifier is connected with the output of impedance matching circuit; The output of described match circuit is connected with the input of transceiver; Described low noise amplifier is connected with gain detection circuit; The output of described gain detection circuit is connected with Transceiver Data end.
Advantage of the present invention and effect are:
A kind of novel intelligent bluetooth, the two-in-one module of WIFI, the problem using the intelligent switch of switch switching unit well to solve WIFI and bluetooth mutually to switch, makes bluetooth switch sensitiveer; The power-sensing circuit connect by the power amplifier place of WIFI transmitting portion possesses the power of real-time detection power amplifier, the transceiver moment is made to monitor the power output of power amplifier, when the power output of power amplifier changes, transceiver just can adjust the power output of self or change the gain of power amplifier, makes the stable output power of power amplifier a fixing value; Connect gain detection circuit by the low noise amplifier of WIFI receiving unit again, control gain acceptance in by transceiver in real time, improve the stability received further.
Accompanying drawing explanation
Fig. 1 is module principle figure of the present invention.
Fig. 2 is power amplification of the present invention and filter unit structured flowchart.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
A kind of novel intelligent bluetooth, the two-in-one module of WIFI, as shown in Figure 1, antenna, switch switching unit, impedance matching circuit, power amplification and filter unit, transceiver, an AD/DA change-over circuit, band pass filter, balanced to unbalanced transformer, the 2nd AD/DA change-over circuit, controller, register and data-interface is comprised;
The input of described antenna is connected with the output of switch switching unit; Described switch switching unit is connected with impedance matching circuit and band pass filter respectively; Described impedance matching circuit is connected with filter unit with power amplification; Described power amplification is connected with transceiver with filter unit; Described transceiver is connected with an AD/DA change-over circuit; Described band pass filter is connected with balanced to unbalanced transformer; Described balanced to unbalanced transformer is connected with the 2nd AD/DA change-over circuit; Described controller is connected with the 2nd AD/DA change-over circuit, an AD/DA change-over circuit, register and data-interface respectively.
In order to make transceiving data more stable, Transmit enable is more intelligent, and described switch switching unit comprises intelligent switch and filter; Described filter one end is connected with antenna, and the other end is connected with intelligent switch; Described intelligent switch is connected with impedance matching circuit and band pass filter respectively; Exchange for bluetooth and WIFI the diverter switch used, use the commutator of built-in chip type, make switch control rule easier and accurate.
Power amplification and filter unit, as shown in Figure 2, comprise WIFI transmitting portion and WIFI receiving unit, the described input of WIFI transmitting portion is connected with the output of transceiver; The described output of WIFI transmitting portion is connected with the input of impedance matching circuit; The described input of WIFI receiving unit is connected with the output of impedance matching circuit; The described output of WIFI receiving unit is connected with the input of transceiver.Described WIFI transmitting portion comprises low pass filter, power amplifier, power control circuit and band pass filter; The input of described band pass filter is connected with the output of transceiver; The output of described band pass filter is connected with the input of power amplifier; The output of described power amplifier is connected with the input of low pass filter; The output of described low pass filter is connected with the input of impedance matching circuit; The input of described power control circuit is connected with the control end of transceiver; The output of described power control circuit is connected with power amplifier.Described WIFI receiving unit comprises low noise amplifier, gain detection circuit and match circuit; The input of described low noise amplifier is connected with the output of impedance matching circuit; The output of described match circuit is connected with the input of transceiver; Described low noise amplifier is connected with gain detection circuit; The output of described gain detection circuit is connected with Transceiver Data end.
In order to improve the fail safe of module, power amplifier place is also provided with thermal-shutdown circuit, and the temperature sensor of described thermal-shutdown circuit adopts thermistor (temperature) sensor, and the output of described thermal-shutdown circuit is connected with transceiver.
In order to can the temperature of more accurate detection power amplifier, described thermistor sensing uses model to be STT Series Temperature Transmitters, and it has, and certainty of measurement is high, long service life and low-cost advantage.
Below the preferred embodiment of the invention is illustrated, but the present invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modification or replacement are all included in the scope of the application.
Claims (6)
1. novel intelligent bluetooth, the two-in-one module of WIFI, is characterized in that: comprise antenna, switch switching unit, impedance matching circuit, power amplification and filter unit, transceiver, an AD/DA change-over circuit, band pass filter, balanced to unbalanced transformer, the 2nd AD/DA change-over circuit, controller, register and data-interface;
The input of described antenna is connected with the output of switch switching unit; Described switch switching unit is connected with impedance matching circuit and band pass filter respectively; Described impedance matching circuit is connected with filter unit with power amplification; Described power amplification is connected with transceiver with filter unit; Described transceiver is connected with an AD/DA change-over circuit; Described band pass filter is connected with balanced to unbalanced transformer; Described balanced to unbalanced transformer is connected with the 2nd AD/DA change-over circuit; Described controller is connected with the 2nd AD/DA change-over circuit, an AD/DA change-over circuit, register and data-interface respectively.
2. a kind of novel intelligent bluetooth according to claim 1, the two-in-one module of WIFI, is characterized in that: described switch switching unit comprises intelligent switch and filter; Described filter one end is connected with antenna, and the other end is connected with intelligent switch; Described intelligent switch is connected with impedance matching circuit and band pass filter respectively.
3. a kind of novel intelligent bluetooth according to claim 2, the two-in-one module of WIFI, is characterized in that: described intelligent switch is built-in chip type commutator.
4. a kind of novel intelligent bluetooth according to claim 1, the two-in-one module of WIFI, it is characterized in that: described power amplification and filter unit comprise WIFI transmitting portion and WIFI receiving unit, the described input of WIFI transmitting portion is connected with the output of transceiver; The described output of WIFI transmitting portion is connected with the input of impedance matching circuit; The described input of WIFI receiving unit is connected with the output of impedance matching circuit; The described output of WIFI receiving unit is connected with the input of transceiver.
5. a kind of novel intelligent bluetooth according to claim 4, the two-in-one module of WIFI, is characterized in that: described WIFI transmitting portion comprises low pass filter, power amplifier, power control circuit and band pass filter; The input of described band pass filter is connected with the output of transceiver; The output of described band pass filter is connected with the input of power amplifier; The output of described power amplifier is connected with the input of low pass filter; The output of described low pass filter is connected with the input of impedance matching circuit; The input of described power control circuit is connected with the control end of transceiver; The output of described power control circuit is connected with power amplifier.
6. a kind of novel intelligent bluetooth according to claim 4, the two-in-one module of WIFI, is characterized in that: described WIFI receiving unit comprises low noise amplifier, gain detection circuit and match circuit; The input of described low noise amplifier is connected with the output of impedance matching circuit; The output of described match circuit is connected with the input of transceiver; Described low noise amplifier is connected with gain detection circuit; The output of described gain detection circuit is connected with Transceiver Data end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771655.3A CN105471445A (en) | 2015-11-12 | 2015-11-12 | Novel and intelligent Bluetooth-WIFI integrated module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771655.3A CN105471445A (en) | 2015-11-12 | 2015-11-12 | Novel and intelligent Bluetooth-WIFI integrated module |
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| Publication Number | Publication Date |
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| CN105471445A true CN105471445A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510771655.3A Pending CN105471445A (en) | 2015-11-12 | 2015-11-12 | Novel and intelligent Bluetooth-WIFI integrated module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107708193A (en) * | 2017-10-24 | 2018-02-16 | 安普德（天津）科技股份有限公司 | A kind of multi-operation mode smart bluetooth WIFI modules |
| CN108471299A (en) * | 2017-02-23 | 2018-08-31 | 株式会社村田制作所 | The impedance matching methods of multiplexer, sending device, reception device and multiplexer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202798691U (en) * | 2012-06-25 | 2013-03-13 | 青岛海信移动通信技术股份有限公司 | Modular structure of WiFi (wireless fidelity) circuit and mobile terminal |
| CN204597962U (en) * | 2015-03-18 | 2015-08-26 | 广东机电职业技术学院 | Industrial blue-tooth module |
| CN204652678U (en) * | 2015-05-05 | 2015-09-16 | 中兴通讯股份有限公司 | A kind of wired home controls gateway |
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2015
- 2015-11-12 CN CN201510771655.3A patent/CN105471445A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202798691U (en) * | 2012-06-25 | 2013-03-13 | 青岛海信移动通信技术股份有限公司 | Modular structure of WiFi (wireless fidelity) circuit and mobile terminal |
| CN204597962U (en) * | 2015-03-18 | 2015-08-26 | 广东机电职业技术学院 | Industrial blue-tooth module |
| CN204652678U (en) * | 2015-05-05 | 2015-09-16 | 中兴通讯股份有限公司 | A kind of wired home controls gateway |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471299A (en) * | 2017-02-23 | 2018-08-31 | 株式会社村田制作所 | The impedance matching methods of multiplexer, sending device, reception device and multiplexer |
| CN107708193A (en) * | 2017-10-24 | 2018-02-16 | 安普德（天津）科技股份有限公司 | A kind of multi-operation mode smart bluetooth WIFI modules |
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Application publication date: 20160406 |
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