CN212258954U - Multichannel signal processing board based on radio frequency board card - Google Patents
Multichannel signal processing board based on radio frequency board card Download PDFInfo
- Publication number
- CN212258954U CN212258954U CN202021243448.3U CN202021243448U CN212258954U CN 212258954 U CN212258954 U CN 212258954U CN 202021243448 U CN202021243448 U CN 202021243448U CN 212258954 U CN212258954 U CN 212258954U
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- signal processing
- area
- chip
- board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model relates to a signal processing board technical field, in particular to multichannel signal processing board based on radio frequency integrated circuit board. The utility model discloses a four radio frequency integrated circuit boards are connected with 8 way receiving and dispatching radio frequency circuit respectively, and every radio frequency integrated circuit board and 2 way receiving and dispatching radio frequency circuit, signal algorithm processing module are connected with four radio frequency integrated circuit boards and interface communication module respectively, and the clock chip is connected and provides the reference clock with the chip of rectifying passageway, signal algorithm processing module, interface communication module and radio frequency integrated circuit board, and the calibration channel that the passageway is through calibration cable and 8 way receiving and dispatching radio frequency circuit outputs is connected to the correction passageway. Adopt the utility model discloses a device transmission part's small, low power dissipation.
Description
Technical Field
The utility model relates to a signal processing board technical field, in particular to multichannel signal processing board based on radio frequency integrated circuit board.
Background
Along with the phased array radar, software radio and the development of high-speed digital signal processing technique, the radio frequency integration degree is higher and higher, single-chip has integrated AD/DA, the mixing, receive and dispatch is enlarged, FIR filtering, gain control, get rid of traditional discrete radio frequency link design framework, integration radio frequency signal processing module has advanced to antenna and TR subassembly front end, realize multichannel, little volume, low cost, the digital integrated signal processing system of low-power consumption through as few radio frequency analog device as possible, realize the required technical requirement of radar phased array system, thereby reach the required high resolution of ground security radar, high data rate, excellent target identification and tracking effect.
At present, the ground security radar of a phased array system is applied less in China, mainly the radar has large volume and weight, cannot meet the real portable and installation requirements, further realizes the large requirement difficulty of miniaturization, and in addition, the traditional phased array system radar has high complexity, large processing difficulty and high cost.
Disclosure of Invention
Not enough to prior art, the utility model provides a multichannel signal processing board based on radio frequency integrated circuit board. The utility model discloses an optimize the relation of connection of modules such as receiving and dispatching radio frequency circuit, radio frequency integrated circuit board, signal algorithm processing module, interface communication module, make 8 ways receiving and dispatching radio frequency channel integrated together, make radar transmitting part small, low power dissipation.
The technical scheme of the utility model is that: the utility model provides a multichannel signal processing board based on radio frequency integrated circuit board, includes 8 way receiving and dispatching radio frequency circuit, four radio frequency integrated circuit boards, signal algorithm processing module, interface communication module, clock chip, correction channel, its characterized in that: the four radio frequency board cards are respectively connected with 8 paths of radio frequency receiving and transmitting circuits, each radio frequency board card is connected with 2 paths of radio frequency receiving and transmitting circuits, the signal algorithm processing module is respectively connected with the four radio frequency board cards and the interface communication module, the clock chip is connected with the correction channel, the signal algorithm processing module, the interface communication module and the chips of the radio frequency board cards and provides a reference clock, and the correction channel is connected with the calibration channel output by the 8 paths of radio frequency receiving and transmitting circuits through the calibration cable.
According to the multichannel signal processing board based on the radio frequency board card, the multichannel signal processing board is characterized in that: the radio frequency board card is an AD9361 radio frequency board card.
According to the multichannel signal processing board based on the radio frequency board card, the multichannel signal processing board is characterized in that: the signal algorithm processing module adopts a Cyclone V A9 FPGA chip.
According to the multichannel signal processing board based on the radio frequency board card, the multichannel signal processing board is characterized in that: the interface communication module adopts a Cyclone V A5 FPGA chip.
According to the multichannel signal processing board based on the radio frequency board card, the multichannel signal processing board is characterized in that: the clock chip adopts an AD9524 chip.
According to the multichannel signal processing board based on the radio frequency board card, the multichannel signal processing board is characterized in that: and the correction channel adopts an AD9361 radio frequency chip.
According to the multichannel signal processing board based on the radio frequency board card, the multichannel signal processing board is characterized in that: the power supply module comprises power control chips at all levels, a protection circuit, an EMI filter circuit, a DC-DC power chip and an LDO power chip.
According to the multichannel signal processing board based on the radio frequency board card, the multichannel signal processing board is characterized in that: the aluminum metal cavity is divided into a radio frequency transceiving circuit sensitive circuit area, a first mixing circuit area, a second mixing circuit area, a correction channel area, a digital signal circuit area and a clock generation area, wherein the clock generation area is located in the middle area, the first mixing circuit area and the second mixing circuit area are located on the left side and the right side of the clock generation area, and the radio frequency transceiving circuit sensitive circuit area, the correction channel area and the digital signal circuit area are respectively arranged on the upper side and the lower side of the clock generation area.
The utility model has the advantages that: firstly, adopt integrated form radio frequency receiving and dispatching IC, have small, the low power dissipation, with low costs, advantage that the integrated level is high. And secondly, 8 paths of receiving and transmitting radio frequency channels are integrated together, and a zero intermediate frequency architecture is formed by the AD9361, so that 8 paths of transmitting and receiving of radar signals are realized, and the integration level of the system platform is greatly improved. And thirdly, the radar transmitting part has small volume and low power consumption, so that the ground security protection radar adopting the phased array system can be used in a portable way. Fourthly, the aluminum metal cavity is reasonably divided into shielding areas, and the overall anti-interference capability of the system is improved.
Drawings
Fig. 1 is a schematic diagram of the framework of the present invention.
Fig. 2 is a schematic view of the metal structure of the present invention.
Description of reference numerals: the radio frequency transceiver circuit comprises a radio frequency transceiver circuit sensitive circuit area 1, a first mixing circuit area 2, a second mixing circuit area 3, a correction channel area 4, a digital signal circuit area 5 and a clock generation area 6.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model discloses a multichannel signal processing board based on radio frequency integrated circuit board, including 8 way receiving and dispatching radio frequency circuit, four radio frequency integrated circuit boards, signal algorithm processing module, interface communication module, clock chip, correction passageway. The four radio frequency board cards are respectively connected with 8 paths of radio frequency receiving and transmitting circuits, each radio frequency board card is connected with 2 paths of radio frequency receiving and transmitting circuits, the signal algorithm processing module is respectively connected with the four radio frequency board cards and the interface communication module, the clock chip is connected with the correction channel, the signal algorithm processing module, the interface communication module and the chips of the radio frequency board cards and provides a reference clock, and the correction channel is connected with the calibration channel output by the 8 paths of radio frequency receiving and transmitting circuits through the calibration cable.
The utility model discloses a radio frequency integrated circuit board is AD9361 radio frequency integrated circuit board, and AD9361 radio frequency integrated circuit board contains AD9361, sky-65017, SE5004L, GRF2541, circulator, wave filter and radio frequency switch. The AD9361 is an integrated radio frequency chip integrating double transmission and double reception, and mainly comprises functions of local oscillation, frequency mixing, transmitting-receiving amplification, AD/DA, FIR filtering, sampling and the like, a sky-65017 gain module provides intermediate-level power drive of a transmission signal, a SE5004L provides final-level amplification of the transmission signal, the transmission signal can be output to the power level of 1W, GRF2541 low-noise amplification radar echo signals, a transmitting-receiving filter inhibits out-of-band interference signals, a circulator and a radio frequency switch are combined with a transmitting-receiving channel to a port and output to an antenna, good transmitting-receiving isolation AD9361 radio frequency board cards respectively adopt filters of required frequency bands, the out-of-band interference signals are filtered, and the anti-jamming capability of the radar.
The utility model discloses a signal algorithm processing module can adopt clone V A9 FPGA chip, and clone V A9 FPGA realizes radar signal algorithm and handles, mainly includes beam forming, and pulse compression realizes target tracking and discernment through FPGA programming, and distance speed calculates, and these are present ripe radar technology.
The utility model discloses an interface communication module can be for realizing through clone V A5 FPGA chip, and the giga net gape data transmission of clone V A5 FPGA chip handles, with the host computer connection, provides radar host computer target display function.
The utility model discloses a clock chip can select for use AD9524 chip, and AD9524 chip provides 5 AD9361 and the required reference clock of two FPGA, and it has two input clock reference and selects, 6 way clock output, can dispose LVDS, CMOS, various level modes such as HSTL.
The utility model discloses a correction passageway can adopt AD9361 radio frequency chip, and AD9361 radio frequency chip provides the multichannel amplitude phase correction of normal receiving and dispatching passageway, satisfies the range and the phase consistency requirement of phased array system. And the correction channel selects one path of transceiving channel to carry out amplitude-phase correction of the normally working transceiving channel. The utility model discloses a correct mode takes digital amplitude phase correction, utilizes the coupler to realize 8 way receiving and dispatching amplitude phase corrections, and the coupler adopts microstrip coupling design in the correction passageway part, and the signal uniformity of the different passageways of real-time correction promotes the performance of radar.
The utility model discloses can also include power supply module, power supply module mainly includes power control chip at different levels, protection circuit, EMI filter circuit, DC-DC, power chips such as LDO provide suitable mains voltage for the chips at different levels of processing board.
The utility model discloses the input can adopt the direct current 12V power to supply power, and J30J series rectangular connector of the wireless power plant of Jinan is selected to the connector.
The utility model discloses an aluminium metal cavity structure fixes, shields, guarantees the functional index and the installation convenience of integrated circuit board, AD9361 on the shield cover shielding PCB board, clock AD9524 and the radiation that radio frequency receiving and dispatching enlarger part brought. As shown in fig. 2, the aluminum metal cavity is divided into a radio frequency transceiver circuit sensitive circuit area 1, a first mixer circuit area 2, a second mixer circuit area 3, a calibration channel area 4, a digital signal circuit area 5, and a clock generation area 6, wherein the clock generation area 6 is located in the middle area, the first mixer circuit area 2 and the second mixer circuit area 3 are located on the left and right sides of the clock generation area 6, the radio frequency transceiver circuit sensitive circuit area 1, the calibration channel area 4, and the digital signal circuit area 5 are respectively disposed on the upper and lower sides of the clock generation area 6, the radio frequency transceiver circuit sensitive circuit area 1 is isolated from other areas, so that the influence of the circuits in the radio frequency transceiver circuit sensitive circuit area 1 on the normal operation of other circuits is small, the clock generation area 6 and the clock generation area are disposed in the middle, and the generated clock signals need to provide reference clocks for a plurality of areas, therefore, the output line is closer, and the anti-interference capability of the clock line is improved. The utility model discloses there is the big signal of transmission and receives the small signal in radio frequency transceiver circuit sensitive circuit region 1, and aluminium metal cavity increases sealing performance to its trompil department multiplicable metal forming. The utility model discloses an aluminium metal cavity wholly divides the region into a plurality of different functions, when keeping apart, only needs to consider the electromagnetic interference between each region, can keep apart the electromagnetic shield ability of ensureing each part of entire system through the electromagnetism between the enhancement region, need not to shield alone the device, has reduced the system design degree of difficulty and the processing degree of difficulty.
The utility model discloses a device can realize following technical index: 8 paths of transmitting power: not less than 30 dBm; 8-path reception sensitivity: less than or equal to-100 dBm; correcting channel coupler isolation: 40 dB; power consumption: 12V/3A; the ground security radar can also adopt a phased array system, and the miniaturization and the light weight of a radar transmitting part are realized.
Claims (8)
1. The utility model provides a multichannel signal processing board based on radio frequency integrated circuit board, includes 8 way receiving and dispatching radio frequency circuit, four radio frequency integrated circuit boards, signal algorithm processing module, interface communication module, clock chip, correction channel, its characterized in that: the four radio frequency board cards are respectively connected with 8 paths of radio frequency receiving and transmitting circuits, each radio frequency board card is connected with 2 paths of radio frequency receiving and transmitting circuits, the signal algorithm processing module is respectively connected with the four radio frequency board cards and the interface communication module, the clock chip is connected with the correction channel, the signal algorithm processing module, the interface communication module and the chips of the radio frequency board cards and provides a reference clock, and the correction channel is connected with the calibration channel output by the 8 paths of radio frequency receiving and transmitting circuits through the calibration cable.
2. The multi-channel signal processing board based on the radio frequency board card as claimed in claim 1, wherein: the radio frequency board card is an AD9361 radio frequency board card.
3. The multi-channel signal processing board based on the radio frequency board card as claimed in claim 1, wherein: the signal algorithm processing module adopts a Cyclone V A9 FPGA chip.
4. The multi-channel signal processing board based on the radio frequency board card as claimed in claim 1, wherein: the interface communication module adopts a Cyclone V A5 FPGA chip.
5. The multi-channel signal processing board based on the radio frequency board card as claimed in claim 1, wherein: the clock chip adopts an AD9524 chip.
6. The multi-channel signal processing board based on the radio frequency board card as claimed in claim 1, wherein: and the correction channel adopts an AD9361 radio frequency chip.
7. The multi-channel signal processing board based on the radio frequency board card as claimed in claim 1, wherein: the power supply module comprises power control chips at all levels, a protection circuit, an EMI filter circuit, a DC-DC power chip and an LDO power chip.
8. The multi-channel signal processing board based on the radio frequency board card as claimed in claim 1, wherein: the aluminum metal cavity is divided into a radio frequency transceiving circuit sensitive circuit area, a first mixing circuit area, a second mixing circuit area, a correction channel area, a digital signal circuit area and a clock generation area, wherein the clock generation area is located in the middle area, the first mixing circuit area and the second mixing circuit area are located on the left side and the right side of the clock generation area, and the radio frequency transceiving circuit sensitive circuit area, the correction channel area and the digital signal circuit area are respectively arranged on the upper side and the lower side of the clock generation area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243448.3U CN212258954U (en) | 2020-06-26 | 2020-06-26 | Multichannel signal processing board based on radio frequency board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243448.3U CN212258954U (en) | 2020-06-26 | 2020-06-26 | Multichannel signal processing board based on radio frequency board card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212258954U true CN212258954U (en) | 2020-12-29 |
Family
ID=73979537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243448.3U Active CN212258954U (en) | 2020-06-26 | 2020-06-26 | Multichannel signal processing board based on radio frequency board card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212258954U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534073A (en) * | 2021-06-23 | 2021-10-22 | 北京遥感设备研究所 | Landing measurement radar echo simulator and method based on chassis board card framework |
| CN113612497A (en) * | 2021-09-18 | 2021-11-05 | 广东圣大通信有限公司 | Multichannel pulse radio frequency receiving and transmitting assembly |
| CN114204956A (en) * | 2021-12-08 | 2022-03-18 | 江苏屹信航天科技有限公司 | Miniaturized multifrequency section communication all-in-one |
| CN114355152A (en) * | 2021-11-24 | 2022-04-15 | 广州润芯信息技术有限公司 | Multi-channel radio frequency chip testing device and testing method |
-
2020
- 2020-06-26 CN CN202021243448.3U patent/CN212258954U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534073A (en) * | 2021-06-23 | 2021-10-22 | 北京遥感设备研究所 | Landing measurement radar echo simulator and method based on chassis board card framework |
| CN113534073B (en) * | 2021-06-23 | 2023-08-15 | 北京遥感设备研究所 | Landing measurement radar echo simulator and method based on board card architecture of machine box |
| CN113612497A (en) * | 2021-09-18 | 2021-11-05 | 广东圣大通信有限公司 | Multichannel pulse radio frequency receiving and transmitting assembly |
| CN113612497B (en) * | 2021-09-18 | 2024-05-14 | 广东圣大通信有限公司 | Multichannel pulse radio frequency transceiver module |
| CN114355152A (en) * | 2021-11-24 | 2022-04-15 | 广州润芯信息技术有限公司 | Multi-channel radio frequency chip testing device and testing method |
| CN114204956A (en) * | 2021-12-08 | 2022-03-18 | 江苏屹信航天科技有限公司 | Miniaturized multifrequency section communication all-in-one |
| CN114204956B (en) * | 2021-12-08 | 2023-06-16 | 江苏屹信航天科技有限公司 | Miniaturized multifrequency section communication all-in-one |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212258954U (en) | Multichannel signal processing board based on radio frequency board card | |
| CN201600448U (en) | MWW (millimeter wave) coherent seeker front end device | |
| CN108429594B (en) | High-performance channel simulator radio frequency transceiver applied to 5G communication | |
| CN109655797B (en) | High-performance generalized multi-channel radar system | |
| CN109521490A (en) | A kind of millimeter wave array radiation meter front end of achievable analog beam figuration | |
| CN216490493U (en) | Satellite measurement and control satellite affair integrated system | |
| CN207867029U (en) | A kind of signal transmitting and receiving module for 24G high-precision ranging radars | |
| CN112468221B (en) | Radio frequency channel for microsatellite measurement and transmission all-in-one machine and measurement and transmission all-in-one machine | |
| CN207557461U (en) | A kind of L-band miniaturization T/R components with digital modulation function | |
| CN208889852U (en) | A kind of phased array antenna | |
| CN212586541U (en) | Multichannel signal acquisition integrated circuit board based on radio frequency FMC daughter card | |
| CN110658499A (en) | Millimeter wave radio frequency transceiving circuit | |
| CN117692018A (en) | C+X wave band receiving and transmitting frequency conversion device and method | |
| CN211979187U (en) | X-waveband chip-level Doppler radar | |
| CN215344560U (en) | Ka-band multichannel transmitting-receiving system | |
| CN114123979B (en) | Terahertz full-duplex common local oscillator solid-state front-end transmitting circuit | |
| CN109889215B (en) | Parameter-adjustable radio frequency irradiation source for 8mm wave band | |
| CN209787160U (en) | Parameter-adjustable radio frequency irradiation source for 8mm wave band | |
| CN114844520A (en) | Radio frequency system and SAR value regulation and control method | |
| CN209170348U (en) | A kind of Ka band power combining amplifier and transmitter | |
| CN212255694U (en) | Small-size distancer of high isolation | |
| CN106211193B (en) | Electromagnetic wave green covering device and method | |
| CN212083653U (en) | X-waveband chip-level Doppler radar | |
| CN201535821U (en) | Integrated receiving and sending module | |
| CN214503878U (en) | Domestic speed measuring radar radio frequency front end with low power consumption and high integration level |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |