CN209526716U - A kind of millimeter wave receiver - Google Patents
A kind of millimeter wave receiver Download PDFInfo
- Publication number
- CN209526716U CN209526716U CN201920457736.XU CN201920457736U CN209526716U CN 209526716 U CN209526716 U CN 209526716U CN 201920457736 U CN201920457736 U CN 201920457736U CN 209526716 U CN209526716 U CN 209526716U
- Authority
- CN
- China
- Prior art keywords
- millimeter wave
- frequency
- signal
- freuqncy signal
- amplification
- 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
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The utility model provides a kind of millimeter wave receiver, is used to capture the millimeter wave of Ka wave band using executing amplification, filter and decay using antenna；Millimeter wave after amplification, filtering and decaying is mixed by frequency mixing module with the millimeter wave local oscillation signal, to generate intermediate-freuqncy signal；AGC automatic growth control module carries out AGC processing to the intermediate-freuqncy signal；It carries out AGC treated intermediate-freuqncy signal and executes by analog-digital converter to execute demodulation process in input FPGA controller after analog-to-digital conversion, to obtain control instruction information, millimeter wave receiver strong antijamming capability provided by the utility model, under the conditions of bad climate, war cloud, aircraft engines combustion gas, electromagnetic interference, strong sunlight water-reflected, can normal transmission instruction under the conditions of desert etc..
Description
Technical field
The utility model relates to signal communication technical field more particularly to a kind of millimeter wave receivers.
Background technique
Millimeter wave one-way data chain is mainly used for millimeter wave transmission, and transmitter is mounted on ground launch frame, and hair control is led
The transmission instruction that component issues is emitted by millimeter-wave signal；Receiver is mounted on missile tail, receives millimeter signal and carries out
Relevant treatment, output control instruction signal to missile-borne computer.Major function is as follows: before MISSILE LAUNCHING, transmitter and receiver
Guidance and control component can be received by wired mode sets station coding, and is fed back；After MISSILE LAUNCHING, it can guarantee to emit
Machine and operation of receiver are in same website；Before MISSILE LAUNCHING, transmitter and receiver can receive guidance control by wired mode
The self-checking command of component processed, and feed back self-detection result；The encoded signal of hair control guide assembly can be modulated to millimeter by transmitter
Wave is sent；Receiver is capable of the millimeter wave command information of receiver/transmitter transmitting, demodulates and is exported by serial ports.Millimeter wave
Operation of receiver inclement condition: vibration is strong, temperature change is violent, so being badly in need of a kind of millimeter wave receiver of high reliablity.
Utility model content
The purpose of this utility model is to provide a kind of millimeter wave receivers, and strong antijamming capability can be in bad climate
Under the conditions of stable work.
In order to achieve the above object, the utility model provides a kind of millimeter wave receiver, comprising:
Module occurs for frequency, for issuing millimeter wave local oscillation signal；
Millimeter wave receiving unit, including antenna, the first amplifier, first filter and the first attenuator, the antenna are used
In the millimeter wave of capture Ka wave band, the millimeter wave is sequentially through first amplifier, first filter and the first attenuator
Execute amplification, filtering and decaying；
Frequency mixing module occurs module and the millimeter wave receiving unit with the frequency and connect, be used to amplify, filter and
Millimeter wave after decaying is mixed with the millimeter wave local oscillation signal, to generate intermediate-freuqncy signal；
AGC automatic growth control module carries out AGC processing to the intermediate-freuqncy signal；
Digital baseband plate, including FPGA controller and analog-digital converter, carry out AGC treated intermediate-freuqncy signal pass through it is described
It is inputted in the FPGA controller after analog-digital converter execution analog-to-digital conversion and executes demodulation process, to obtain control instruction information.
Optionally, it includes frequency source, the second amplifier and frequency multiplier that module, which occurs, for the frequency, what the frequency source generated
Signal forms the millimeter wave local oscillation signal after second amplifier and frequency multiplier amplification and frequency multiplication.
Optionally, the frequency source also generates digital baseband clock signal, described in the digital baseband clock signal input
Reference clock is used as in FPGA controller.
Optionally, the AGC automatic growth control module includes power-sensing circuit, control circuit and amplification decaying electricity
Road, the power-sensing circuit detect the power of the intermediate-freuqncy signal using logarithmic detector, and the control circuit is according in described
The performance number of frequency signal controls signal to the amplification attenuator circuit output attenuatoin, and the amplification attenuator circuit believes the intermediate frequency
Number decay.
It optionally, is 70MHz by the frequency of AGC treated the intermediate-freuqncy signal.
Optionally, the millimeter wave receiver further includes power module, and the power module provides one and sets voltage as institute
State the power supply of digital baseband plate.
In millimeter wave receiver provided by the utility model, using antenna be used to capture the millimeter wave of Ka wave band using
Execute amplification, filtering and decaying；Frequency mixing module by after amplification, filtering and decaying millimeter wave and the millimeter wave local oscillation signal into
Row mixing, to generate intermediate-freuqncy signal；AGC automatic growth control module carries out AGC processing to the intermediate-freuqncy signal；It carries out at AGC
Intermediate-freuqncy signal after reason executes demodulation process by inputting in FPGA controller after analog-digital converter execution analog-to-digital conversion, to obtain
Control instruction information, millimeter wave receiver strong antijamming capability provided by the utility model, under the conditions of bad climate, the cigarette of battlefield
It can normal transmission instruction under the conditions of dirt, aircraft engines combustion gas, electromagnetic interference, strong sunlight water-reflected, desert etc..
Detailed description of the invention
Fig. 1 is the structural schematic diagram of millimeter wave receiver provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of AGC automatic growth control module provided by the embodiment of the utility model.
Specific embodiment
Specific embodiment of the present utility model is described in more detail below in conjunction with schematic diagram.It is retouched according to following
It states and claims, will be become apparent from feature the advantages of the utility model.It should be noted that attached drawing is all made of very simplification
Form and use non-accurate ratio, only to it is convenient, lucidly aid in illustrating the purpose of the utility model embodiment.
Referring to Fig. 1, present embodiments providing a kind of millimeter wave receiver, can be set in the tail portion of a guided missile, hair
It penetrates rack and sets and emit signal on the ground, comprising:
Module 1 occurs for frequency, and it includes frequency source 11, the second amplifier 12 and frequency multiplier 13, institute that module 1, which occurs, for the frequency
Stating frequency source 11 is 40MHz temperature compensating crystal oscillator, generates 8GHz signal and digital baseband clocks signal by locking phase, 8GHz signal is through institute
State the second amplifier 12 and the amplification of frequency multiplier 13 and the millimeter wave local oscillation signal that 34GHz is formed after 4 frequencys multiplication；
Millimeter wave receiving unit 2, including antenna 21, the first amplifier 22, first filter 23 and the first attenuator 24, institute
Stating antenna 21 is 4 array element microstrip antennas, and for capturing the millimeter wave of Ka wave band, the millimeter wave is sequentially through first amplification
Device 22, first filter 23 and the first attenuator 24 execute amplification, filtering and decaying；
With the frequency module 1 and institute occur for frequency mixing module 3, including frequency mixer 31 and combiner 32, the frequency mixer 31
The connection of millimeter wave receiving unit 2 is stated, is carried out for the millimeter wave after amplifying, and filter and decaying with the millimeter wave local oscillation signal
Mixing, to generate the intermediate-freuqncy signal of 70MHz, millimeter wave receiving unit 2 uses IQ demodulation mode, exports I, each 1 tunnel of Q signal, I, Q
Signal is then filtered all the way by 90 ° of combiners 32 synthesis and enhanced processing；
AGC automatic growth control module 4 carries out AGC processing to the intermediate-freuqncy signal, carries out AGC treated intermediate frequency letter
Number output frequency is 70MHz；
It is logical to carry out AGC treated intermediate-freuqncy signal for digital baseband plate 5, including FPGA controller 51 and analog-digital converter 52
It crosses the analog-digital converter 52 and executes to input in the FPGA controller 51 after analog-to-digital conversion and execute demodulation process, to obtain control
Command information, and be transferred in missile-borne computer by the RS422 of the FPGA controller 51.
Optionally, using 40MHz muting sensitivity antidetonation temperature compensating crystal oscillator as reference clock signal, the choosing of crystal oscillator temperature stability
With ± 0.5ppm grade, output millimeter wave local oscillation signal frequency stability requirement can be met, it is real by adjusting crystal oscillator accuracy
Existing local frequency accuracy ± 1ppm index.
The AGC automatic growth control module 4 includes power-sensing circuit 41, control circuit 42 and amplification attenuator circuit
43, the power-sensing circuit 41 detects the power of the intermediate-freuqncy signal using logarithmic detector, and the control circuit 42 is according to institute
The performance number for stating intermediate-freuqncy signal controls signal, described 43 pairs of institutes of amplification attenuator circuit to 43 output attenuatoin of amplification attenuator circuit
It states intermediate-freuqncy signal to decay, it is ensured that stable output power.As shown in Fig. 2, attenuation control signal include before to CBB control letter
Number backward attenuator (HMC472) controls signal.Forward direction adjustable attenuation thresholding is fixed tentatively as -58dBm and -24dBm, when wave detector is examined
When measuring 2 equivalent output powers of millimeter wave receiving unit greater than -24dBm, it is believed that present output power is higher than the upper limit, starts millimeter
Wave attenuators；When detecting equivalent output powers lower than -58dBm, it is believed that present output power is lower than lower limit, closes millimeter wave
Attenuator.The single-chip microcontroller of control circuit 42 guarantees millimeter wave attenuator work in normal shape by setting CBB adjustable attenuation line
State, while 4dB surplus is reserved between upper and lower bound, avoid millimeter wave attenuator from generating concussion switching.Work as millimeter wave attenuator
When in stable state, single-chip microcontroller accurately detects current input signal power, is then set according to current input power value
Postpone the value to attenuator.When input power is big, decaying is increase accordingly；When input power is small, decay corresponding reduce；Guarantee
Final output power is in -5dBm or so.
Further, the present embodiment is used in series mode using multiple filter and is filtered to the signal, High frequency filter
Device uses LFCN3800, provides good high-frequency suppressing performance；Low-frequency filter 61 uses LFCN80 and 70MHz SAW filter
62 centering out-of-band noises and clutter are filtered, and frequency multiplier 13 is AMMC-6140.
Further, digital baseband plate 5 is realized to baseband signal despreading, demodulation decoding and relevant communication protocol, is matched
Set FPGA controller 51, memory, logging memory, analog-digital converter 52, the RS485 of isolation and parallel interface etc..It can
To receive bookbinding code from transmitter by RS485 and bind to receiver, and bookbinding result is returned by 485 interfaces.
FPGA controller 51 uses Xilinx company Artix-7 Series FPGA, and analog-digital converter 52 is using 12 of ADI company
80MSPS low-power consumption analog-digital converter.
Optionally, the millimeter wave receiver further includes power module, and the power module provides one and sets voltage as institute
State the power supply of digital baseband plate 5.Power module includes anti-circnit NOT, under-voltage protection, isolating switch power, negative pressure protection etc., power supply
Module-external input+19V power supply first passes through a diode and carries out inverse inserting-preventing protection, and diode uses IM5408-G, and maximum is held
By electric current 3A.Input power is detected using AD809 circuit again, when detecting input power, higher than thresholding, (it is fixed just to propose
In 15V), delay 240ms output high level opens rear class DC-DC power module.It can be to avoid system using delay startup circuit
Initial stage more violent power-supply fluctuation is powered on, preferably protection internal circuit is impacted by external change.It finally uses and keeps apart
Powered-down source is the power supply of digital baseband plate 5.
To sum up, in millimeter wave receiver provided by the embodiment of the utility model, using antenna for capturing Ka wave band
Millimeter wave using execute amplification, filtering and decaying；Frequency mixing module by after amplification, filtering and decaying millimeter wave and the millimeter
Wave local oscillation signal is mixed, to generate intermediate-freuqncy signal；AGC automatic growth control module carries out at AGC the intermediate-freuqncy signal
Reason；It carries out AGC treated intermediate-freuqncy signal and executes by analog-digital converter to execute solution in input FPGA controller after analog-to-digital conversion
Reason is mediated, to obtain control instruction information, millimeter wave receiver strong antijamming capability provided by the utility model, in bad climate
Under the conditions of, war cloud, aircraft engines combustion gas, electromagnetic interference, strong sunlight water-reflected, can normally pass under the conditions of desert etc.
Defeated instruction.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (6)
1. a kind of millimeter wave receiver characterized by comprising
Module occurs for frequency, for issuing millimeter wave local oscillation signal；
Millimeter wave receiving unit, including antenna, the first amplifier, first filter and the first attenuator, the antenna is for catching
The millimeter wave of Ka wave band is obtained, the millimeter wave is executed sequentially through first amplifier, first filter and the first attenuator
Amplification, filtering and decaying；
Frequency mixing module occurs module with the frequency and the millimeter wave receiving unit is connect, for that will amplify, and filter and decay
Millimeter wave afterwards is mixed with the millimeter wave local oscillation signal, to generate intermediate-freuqncy signal；
AGC automatic growth control module carries out AGC processing to the intermediate-freuqncy signal；
Digital baseband plate, including FPGA controller and analog-digital converter carry out AGC treated intermediate-freuqncy signal and pass through the modulus
It is inputted in the FPGA controller after converter execution analog-to-digital conversion and executes demodulation process, to obtain control instruction information.
2. millimeter wave receiver as described in claim 1, which is characterized in that it includes frequency source, that module, which occurs, for the frequency
Two amplifiers and frequency multiplier, the signal that the frequency source generates are formed after second amplifier and frequency multiplier amplification and frequency multiplication
The millimeter wave local oscillation signal.
3. millimeter wave receiver as claimed in claim 2, which is characterized in that the frequency source also generates digital baseband clock letter
Number, reference clock is used as in FPGA controller described in the digital baseband clock signal input.
4. millimeter wave receiver as described in claim 1, which is characterized in that the AGC automatic growth control module includes function
Rate detection circuit, control circuit and amplification attenuator circuit, the power-sensing circuit detect the intermediate frequency letter using logarithmic detector
Number power, the control circuit, which is controlled according to the performance number of the intermediate-freuqncy signal to the amplification attenuator circuit output attenuatoin, to be believed
Number, the amplification attenuator circuit decays to the intermediate-freuqncy signal.
5. millimeter wave receiver as claimed in claim 4, which is characterized in that pass through AGC treated the intermediate-freuqncy signal
Frequency is 70MHz.
6. millimeter wave receiver as described in claim 1, which is characterized in that the millimeter wave receiver further includes power supply mould
Block, the power module offer one set voltage and power as the digital baseband plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457736.XU CN209526716U (en) | 2019-04-04 | 2019-04-04 | A kind of millimeter wave receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457736.XU CN209526716U (en) | 2019-04-04 | 2019-04-04 | A kind of millimeter wave receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526716U true CN209526716U (en) | 2019-10-22 |
Family
ID=68232557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457736.XU Active CN209526716U (en) | 2019-04-04 | 2019-04-04 | A kind of millimeter wave receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209526716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114567364A (en) * | 2022-02-14 | 2022-05-31 | 中国科学院国家空间科学中心 | Ka-band multi-satellite universal radio frequency signal processing method and radio frequency front end |
| CN115208422A (en) * | 2022-09-14 | 2022-10-18 | 成都益为创科技有限公司 | Radio frequency transceiving system adopting double-tone signal frequency mixing |
-
2019
- 2019-04-04 CN CN201920457736.XU patent/CN209526716U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114567364A (en) * | 2022-02-14 | 2022-05-31 | 中国科学院国家空间科学中心 | Ka-band multi-satellite universal radio frequency signal processing method and radio frequency front end |
| CN114567364B (en) * | 2022-02-14 | 2023-02-21 | 中国科学院国家空间科学中心 | Processing method of Ka-band multi-satellite universal radio frequency signal and radio frequency front end |
| CN115208422A (en) * | 2022-09-14 | 2022-10-18 | 成都益为创科技有限公司 | Radio frequency transceiving system adopting double-tone signal frequency mixing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209526716U (en) | A kind of millimeter wave receiver | |
| CN109728872B (en) | Unmanned aerial vehicle interference system and method based on digital frequency storage technology | |
| CN203632660U (en) | Radiofrequency front circuit and system | |
| CN106886032A (en) | A kind of unmanned plane duplicity ECM system | |
| CN106788870B (en) | A kind of interference unit and its control method | |
| CN209526713U (en) | A kind of millimeter-wave transmitter | |
| CN206948336U (en) | A kind of small-sized BPM shortwaves time service control system and control board | |
| CN204228950U (en) | A kind of radar system L-band transceiver | |
| CN106291479B (en) | A kind of borehole radar step frequency controllable gain receiver front end | |
| CN103684330A (en) | Medium frequency filter simultaneously applied to wireless receiver and transmitter | |
| CN208028901U (en) | Multi-path high-sensitivity broadband radio frequency signal receiving device based on optical frequency comb | |
| CN114301478B (en) | Receiver for resisting transient ultra-wideband electromagnetic interference | |
| CN113708802B (en) | Module and method for promoting Bluetooth link budget and solving multipath effect | |
| CN213367767U (en) | Roland-C signal receiving all-in-one machine | |
| CN111884735B (en) | Frequency spectrum-based unmanned aerial vehicle detection method and detection system thereof | |
| CN210693907U (en) | Radio frequency receiving circuit, receiver and base station | |
| CN208904977U (en) | A kind of multichannel miniature digital receiving and transmitting front end | |
| CN204906386U (en) | Multichannel spread spectrum signal preprocessor | |
| CN218549908U (en) | L-band dual-channel transceiver device | |
| CN215340296U (en) | Anti-interference random signal generator and radar system | |
| CN220273876U (en) | Air interference load system and air interference load equipment | |
| CN213342193U (en) | Anti-interference receiving antenna circuit | |
| CN218041388U (en) | High-frequency module circuit | |
| CN221669848U (en) | Ultra-low stray multichannel broadband frequency converter | |
| CN114268395B (en) | Experimental device for intelligent frequency spectrum monitoring of quick broadband developments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |