CN203691401U - Broadband radio frequency signal switch switching module - Google Patents
Broadband radio frequency signal switch switching module Download PDFInfo
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- CN203691401U CN203691401U CN201420007055.0U CN201420007055U CN203691401U CN 203691401 U CN203691401 U CN 203691401U CN 201420007055 U CN201420007055 U CN 201420007055U CN 203691401 U CN203691401 U CN 203691401U
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model relates to a broadband radio frequency signal switch switching module which comprises a radio frequency switching circuit and a control circuit. The control circuit receives an external control signal and then sends an internal control signal to the radio frequency circuit, and the broadband radio frequency signal switching is realized through the radio frequency switching circuit. The radio frequency switching circuit comprises 12 4-path frequency dividers and 4 radio frequency distributors which are connected with the 4-path frequency dividers. Each of the four 4-path frequency dividers is provided with 1 path of radio frequency inputs and 4 paths of radio frequency outputs, and each path of outputs is connected to different radio frequency distributors. Each of the radio frequency distributors is provided with 12 paths of input and 1 path of output. The control circuit comprises an OMAP chip, one end of the control circuit is connected to an FPGA chip and then is connected to the radio frequency switching circuit, and the other end is connected with a serial port controller and an Ethernet controller respectively. According to the broadband radio frequency signal switch switching module, the need of multi-channel signal flexible reception can be satisfied, and the broadband radio frequency signal switch switching module has the advantages of simple control and good software transplantation and inheritance.
Description
Technical field
The utility model relates to a kind of electronic circuit, especially a kind of switch exchange module for radiofrequency signal, specifically a kind of wide-band radio-frequency (RF) signal switch Switching Module.
Background technology
At present, in the wide-band wireless communication system of newly developing at some, due to needs master antenna, therefore must multi-channel rf signal be selected and be distributed.And in the radio circuit of current use, mostly can only provide the distribution of the radiofrequency signal of narrower frequency range, so can not meet the demand of wide-band communication.Therefore, be badly in need of a kind of demand that can adapt to wideband wireless communication of exploitation, can realize selection to multi-channel rf signal and the switch exchange module of distribution.
Summary of the invention
The purpose of this utility model is to provide a kind of wide-band radio-frequency (RF) signal switch Switching Module, to meet in the time that wide-band is communicated by letter, and the demand that multi-channel rf signal is selected and distributed.
The technical solution of the utility model is:
A kind of wide-band radio-frequency (RF) signal switch Switching Module, comprises radio frequency exchange circuit and control circuit, and described control circuit is accepted the backward radio circuit of external control signal and transmitted internal control signal, and realizes wide-band radiofrequency signal by radio frequency exchange circuit and exchange.Described radio frequency exchange circuit comprises 12 4 road power splitters and 4 radio-frequency allotters that are attached thereto, wherein, and the equal tool 1 road radio frequency input of each 4 road power splitter and 4 road radio frequency outputs, and each road output is connected to different radio-frequency allotters; Each radio-frequency allotter all has 12 tunnel inputs and the output of 1 tunnel; Described control circuit comprises OMAP chip, and its one end connects after fpga chip, is connected to described radio frequency exchange circuit, and the other end connects respectively serial ports controller and ethernet controller, externally to carry out communicating by letter of serial ports and Ethernet interface.
Described radio-frequency allotter comprises multiple radio frequency converting switchs, the equal tool 2 road radio frequency inputs of each radio frequency converting switch and 1 road radio frequency output, Ji Yi road is connected to the control inputs of control circuit, makes it under the control of control signal, realizes 2 and selects 1 radiofrequency signal selection and switch.
Described radio frequency converting switch is divided into 4 grades, and wherein, the first order is 6, and the second level is 3, and the third level and the fourth stage are 1; The output of every one-level radio-frequency (RF) switch is connected to the input of next stage, and the output of the fourth stage is the output of radio circuit.
The beneficial effects of the utility model:
The utility model is reasonable in design, simple in structure, can select exchange to the 12 frequency range radio-frequency input signalss of having a lot of social connections, and output 4 tunnel radiofrequency signals, meet the demand that multi channel signals in wide-band radio frequency reception aerial array receives flexibly.The utility model control is simultaneously simple, and has good software transplanting and inheritance.
Accompanying drawing explanation
Fig. 1 is interface schematic diagram of the present utility model.
Fig. 2 is composition schematic diagram of the present utility model.
Fig. 3 is the radio frequency exchange the electric circuit constitute schematic diagram of the utility model.
Fig. 4 is the utility model first order radio-frequency allotter the electric circuit constitute schematic diagram.
Fig. 5 is the utility model second level radio-frequency allotter the electric circuit constitute schematic diagram.
Fig. 6 is the utility model third level radio-frequency allotter the electric circuit constitute schematic diagram.
Fig. 7 is the utility model fourth stage radio-frequency allotter the electric circuit constitute schematic diagram.
Fig. 8 is the control circuit schematic diagram of the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
The utility model comprises radio frequency exchange circuit and control circuit, and described control circuit is accepted the backward radio circuit of external control signal and transmitted internal control signal, and realizes wide-band radiofrequency signal by radio frequency exchange circuit and exchange.Described radio frequency exchange circuit comprises 12 4 road power splitters and 4 radio-frequency allotters that are attached thereto, wherein, and the equal tool 1 road radio frequency input of each 4 road power splitter and 4 road radio frequency outputs, and each road output is connected to different radio-frequency allotters; Each radio-frequency allotter all has 12 tunnel inputs and the output of 1 tunnel; Described control circuit comprises OMAP chip, and its one end connects after fpga chip, is connected to described radio frequency exchange circuit, and the other end connects respectively serial ports controller and ethernet controller, externally to carry out communicating by letter of serial ports and Ethernet interface.
Described radio-frequency allotter comprises multiple radio frequency converting switchs, the equal tool 2 road radio frequency inputs of each radio frequency converting switch and 1 road radio frequency output, Ji Yi road is connected to the control inputs of control circuit, makes it under the control of control signal, realizes 2 and selects 1 radiofrequency signal selection and switch.
Described radio frequency converting switch is divided into 4 grades, and wherein, the first order is 6, and the second level is 3, and the third level and the fourth stage are 1; The output of every one-level radio-frequency (RF) switch is connected to the input of next stage, and the output of the fourth stage is the output of radio circuit.
Embodiment 1, the utility model adopts OMAP chip 3530 and novel fpga chip, to realize inside and outside logic control function.Module interface as shown in Figure 1, by outside serial ports or network interface control, carries out the 12 flexible configuration exchanges of having a lot of social connections frequency range input radio frequency signal, enters four and goes out switch exchange function to realize wide-band radio frequency 12.The utility model is made up of radio frequency exchange circuit, control circuit and voltage stabilizing circuit etc., as shown in Figure 2.Wherein, radio frequency exchange the electric circuit constitute schematic diagram as shown in Figure 3, is made up of 12 4 road power splitters and 4 radio-frequency allotters, can realize 12 tunnels and input exchange and the distribution of 4 tunnels output radiofrequency signals.Wherein 4 road power splitters are realized the function of 1 road radio frequency input, 4 road radio frequency outputs, and radio-frequency allotter is realized Dui12 road radiofrequency signal and selected and export 1 road signal.Radio-frequency allotter is selected the radio frequency converting switch of model BGS12A, and each radio frequency converting switch can be realized 2 and select 1 radiofrequency signal selection, switching.Described radio frequency converting switch is divided into 4 grades, and wherein, the first order is 6, and the second level is 3, and the third level and the fourth stage are 1; The output of every one-level radio-frequency (RF) switch is connected to the input of next stage, and the output of the fourth stage is the output of radio circuit.Described 4 radio-frequency allotters are controlled by Ctrl signal, and wherein, radio-frequency allotter 1 is controlled by signal Ctrl1-Ctrl11, and its electric circuit constitute as shown in Figure 4; Radio-frequency allotter 2 is controlled by signal Ctrl12-Ctrl22, and its electric circuit constitute as shown in Figure 5; Radio-frequency allotter 3 is controlled by signal Ctrl23-Ctrl33, and its electric circuit constitute as shown in Figure 6; Radio-frequency allotter 4 is controlled by signal Ctrl34-Ctrl44, and its electric circuit constitute as shown in Figure 7.
The utility model is selected all passages by control circuit, and control circuit uses OMAP chip to receive outside guidance command, uses all radio-frequency (RF) switch in fpga chip control radio frequency exchange circuit.As shown in Figure 8, its core control OMAP chip is selected SBC3530 to control circuit, and fpga chip is selected EPM2210F324C chip, can provide 44 to select signal Ctrl1-Ctrl44.OMAP control chip externally carries out respectively serial ports, Ethernet interface communication by serial ports controller MAX488, ethernet controller LAN9220-ABZJ simultaneously, control byte is resolved to control command, realize the switching of various patterns by fpga chip control radio frequency exchange circuit.
The utility model does not relate to partly all prior aries that maybe can adopt same as the prior art to be realized.
Claims (3)
1. a wide-band radio-frequency (RF) signal switch Switching Module, comprise radio frequency exchange circuit and control circuit, described control circuit is accepted the backward radio circuit of external control signal and is transmitted internal control signal, and realizes wide-band radiofrequency signal by radio frequency exchange circuit and exchange, and it is characterized in that:
Described radio frequency exchange circuit comprises 12 4 road power splitters and 4 radio-frequency allotters that are attached thereto, wherein, and the equal tool 1 road radio frequency input of each 4 road power splitter and 4 road radio frequency outputs, and each road output is connected to different radio-frequency allotters; Each radio-frequency allotter all has 12 tunnel inputs and the output of 1 tunnel;
Described control circuit comprises OMAP chip, and its one end connects after fpga chip, is connected to described radio frequency exchange circuit, and the other end connects respectively serial ports controller and ethernet controller, externally to carry out communicating by letter of serial ports and Ethernet interface.
2. wide-band radio-frequency (RF) signal switch Switching Module according to claim 1, it is characterized in that described radio-frequency allotter comprises multiple radio frequency converting switchs, the equal tool 2 road radio frequency inputs of each radio frequency converting switch and 1 road radio frequency output, Ji Yi road is connected to the control inputs of control circuit, make it under the control of control signal, realize 2 and select 1 radiofrequency signal selection and switch.
3. wide-band radio-frequency (RF) signal switch Switching Module according to claim 2, is characterized in that described radio frequency converting switch is divided into 4 grades, and wherein, the first order is 6, and the second level is 3, and the third level and the fourth stage are 1; The output of every one-level radio-frequency (RF) switch is connected to the input of next stage, and the output of the fourth stage is the output of radio circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007055.0U CN203691401U (en) | 2014-01-07 | 2014-01-07 | Broadband radio frequency signal switch switching module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007055.0U CN203691401U (en) | 2014-01-07 | 2014-01-07 | Broadband radio frequency signal switch switching module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691401U true CN203691401U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007055.0U Expired - Fee Related CN203691401U (en) | 2014-01-07 | 2014-01-07 | Broadband radio frequency signal switch switching module |
Country Status (1)
| Country | Link |
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| CN (1) | CN203691401U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135300A (en) * | 2014-08-07 | 2014-11-05 | 上海无线电设备研究所 | Ku-waveband multi-channel switching receiving device and switching receiving method |
| CN104767551A (en) * | 2014-01-07 | 2015-07-08 | 熊猫电子集团有限公司 | Wide frequency band RF signal on-and-off switching module |
| CN108267720A (en) * | 2018-01-31 | 2018-07-10 | 中国电子科技集团公司第三十八研究所 | For multi-beam selecting switch while multiple target Search/Track and dispatching method |
-
2014
- 2014-01-07 CN CN201420007055.0U patent/CN203691401U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767551A (en) * | 2014-01-07 | 2015-07-08 | 熊猫电子集团有限公司 | Wide frequency band RF signal on-and-off switching module |
| CN104135300A (en) * | 2014-08-07 | 2014-11-05 | 上海无线电设备研究所 | Ku-waveband multi-channel switching receiving device and switching receiving method |
| CN108267720A (en) * | 2018-01-31 | 2018-07-10 | 中国电子科技集团公司第三十八研究所 | For multi-beam selecting switch while multiple target Search/Track and dispatching method |
| CN108267720B (en) * | 2018-01-31 | 2021-08-13 | 中国电子科技集团公司第三十八研究所 | Simultaneous multi-beam selection switch for multi-target search and tracking and scheduling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 |