CN202841107U - High precision receiver reception module - Google Patents
High precision receiver reception module Download PDFInfo
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- CN202841107U CN202841107U CN 201220279284 CN201220279284U CN202841107U CN 202841107 U CN202841107 U CN 202841107U CN 201220279284 CN201220279284 CN 201220279284 CN 201220279284 U CN201220279284 U CN 201220279284U CN 202841107 U CN202841107 U CN 202841107U
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Abstract
The utility model relates to a high precision receiver reception module, belongs to the electronic communication field and aims to solve technical problems of low angle-deciding precision, poor consistency of reception sensitivity of different channels, complex circuit, large volume, heavy weight and no fault determination and self-checking function. The high precision receiver reception module comprises filters, an amplitude limiter, a low noise amplifier, a mixer, an IF amplifier, a logarithm amplification wave detector, a selection switch, resistors, a digital potentiometer and an operational amplifier. The high precision receiver reception module is applicable to design of a high precision receiver reception module.
Description
Technical field
The utility model relates to electronic communication field, particularly a kind of high-precision receiver receiver module for air traffic control.
Background technology
Along with developing rapidly of aviation industry, air-traffic density increases day by day, and the air route is crowded.The improvement of flight level control, so that air traffic control radar is existing harasses synchronously, it is asynchronous that to harass the problem that occurs with false target more serious, variety of problems for the secondary radar existence, use new the S mode radar and data communication system on aircraft, aircraft industry circle begins to seek the system that can prevent aircraft collision in nineteen fifty-five by ATA (ATA).Concentrated the logical warning of research air traffic CAS in 1970, the aircraft that Boeing dispatches from the factory since the nineties in last century is according to the center of customer requirement control radar responder (ATCRBS) as this system, the plan that traffic warning CAS (TCAS) is developed in U.S. FAA declaration in 1981, on the basic concept of discrete address beacon collision avoidance system, adopt aerial S pattern answering machine communication format or the technology of discrete address communication is made friendship S pattern answering machine TCAS system all is housed basically, to reduce aerial dangerous the approaching of aircraft.
The TCAS system is air traffic alarm and CAS, is a kind of independently airborne collision avoidance system, as air traffic control (ATC) system and " crashproof ".The TCAS receiver is the key component in air traffic alarm and the CAS (TCAS), and its technology maturity has limited the production domesticization of TCAS system complete machine and used.
Mainly there is following deficiency in existing TCAS high-precision receiver receiver module:
1. declare angular accuracy not high;
2. the receiving sensitivity consistency of different passages is bad;
3. circuit is complicated, volume is large, Heavy Weight;
4. fault-free is judged self-checking function.
Summary of the invention
The utility model is intended to solve existing high-precision receiver receiver module and mainly has technical problems such as declaring angular accuracy is not high, the receiving sensitivity consistency of different passages is bad, circuit is complicated, volume is large, Heavy Weight, fault-free judgement self-checking function, with provide a kind of have declare that angular accuracy is high, the receiving sensitivity high conformity of different passages, the high-precision receiver receiver module that highly integrated, self-checking function is complete.
The purpose of this utility model is achieved through the following technical solutions.
High-precision receiver receiver module of the present utility model, receiving channel module receives input 1 in turn concatenated filter 1, amplitude limiter 21, low noise amplifier 22, frequency mixer 23, IF amplifier 24, filter 2 25 and logarithmic amplification wave detector 26, one tunnel output concatenated filter 3 27 of logarithmic amplification wave detector 26 and an input of selector switch 29, another input of another road output concatenated filter 4 28 and selector switch 29, the input of Third Road output contact resistance 1; Be connected with the input of resistance 2 36 behind the output serial connection logarithmic amplification wave detector 30 of selector switch 29; Three inputs of digital regulation resistance 34 connect respectively outside latch input 31, data input 32 and clock and input 33, the input of one road output contact resistance 3 37, the second input of its another road output concatenation operation amplifier 39; The be connected in parallel first input end of operational amplifier 39 of resistance 1, resistance 2 36 and resistance 3 37 outputs, first input end and the output of resistance 4 38 cross-over connection operational amplifiers 39, the second input contact resistance 5 40 rear ground connection of operational amplifier 39; Wherein one tunnel output of operational amplifier 39 is receiving channel module video output terminals 203, and its another road is output as relatively exports 42.
High-precision receiver receiver module of the present utility model, wherein said receiving channel module 2 quantity in receiver is 4, is connected respectively 4 transmission channel modules and receives output 103.
The beneficial effect of the utility model high-precision receiver receiver module:
1. integrated level is high, volume is little;
2. declare angular accuracy high;
3. the receiving sensitivity high conformity of different passages;
4. self-checking function is complete.
Description of drawings
Fig. 1 circuit theory diagrams of the present utility model
The traffic alarm aloft of Fig. 2 the utility model and anti-collision system receiver are used the example schematic diagram
The number in the figure explanation:
1 transmission channel module, 2 receiving channel modules, 3 signal source modules, 4 video processing modules, 5 control processing modules, 6 power supply processing modules, 10 emission inputs, 11 antennas, 14 1090MHz calibrating signals, 15 transmitters, 16 1030MHz local oscillation signals, 17 conversion and control buses, 20 filters one, 21 amplitude limiters, 22 low noise amplifiers, 23 frequency mixers, 24 IF amplifiers, 25 filters two, 26 logarithmic amplification wave detectors, 27 filters three, 28 filters four, 29 selector switches, 30 logarithmic amplifications, detection AD641,31 latch input, the input of 32 data, the input of 33 clocks, 34 digital regulation resistances, 35 resistance one, 36 resistance two, 37 resistance three, 38 resistance four, 39 operational amplifiers, 40 resistance five, 42 relatively outputs, 101 transmission channel module inputs one, 102 transmission channel module input/output terminals, 103 transmission channel modules receive output, 104 transmission channel module inputs two, 105 transmission channel modules emission output and reception input, 201 receiving channel modules receive input one, 202 receiving channel module control input ends two, 203 receiving channel module video output terminals, 301 signal source module outputs one, 302 signal source module outputs two, 303 signal source module outputs three, 401 video processing module control signal inputs, 402 video processing module video inputs, 501 control processing module outputs, 502 control processing module input/output terminals
Embodiment
The utility model detailed structure, application principle, effect and effect with reference to accompanying drawing 1-2, are explained by following execution mode.
Consult shown in Figure 1, high-precision receiver receiver module of the present utility model, receiving channel module receives input 1 in turn concatenated filter 1, amplitude limiter 21, low noise amplifier 22, frequency mixer 23, IF amplifier 24, filter 2 25 and logarithmic amplification wave detector 26, one tunnel output concatenated filter 3 27 of logarithmic amplification wave detector 26 and an input of selector switch 29, another input of another road output concatenated filter 4 28 and selector switch 29, the input of Third Road output contact resistance 1; Be connected with the input of resistance 2 36 behind the output serial connection logarithmic amplification wave detector 30 of selector switch 29; Three inputs of digital regulation resistance 34 connect respectively outside latch input 31, data input 32 and clock and input 33, the input of one road output contact resistance 3 37, the second input of its another road output concatenation operation amplifier 39; The be connected in parallel first input end of operational amplifier 39 of resistance 1, resistance 2 36 and resistance 3 37 outputs, first input end and the output of resistance 4 38 cross-over connection operational amplifiers 39, the second input contact resistance 5 40 rear ground connection of operational amplifier 39; Wherein one tunnel output of operational amplifier 39 is receiving channel module video output terminals 203, and its another road is output as relatively exports 42.
The BW parameter of filter 2 25 and filter 4 28 is 10MHz, and the BW parameter of filter 3 27 is 4MHz.Logarithmic amplification wave detector 26 and logarithmic amplification wave detector 30 are AD641.Amplitude limiter 21 is AT54143.Low noise amplifier 22 is ATF41511.
Consult shown in Figure 2, when the utility model is applied in air traffic alarm and the anti-collision system receiver, receiver is by transmission channel module 1, receiving channel module 2, signal source module 3, video processing module 4 and control processing module 5 consist of, also comprise in addition power supply processing module 6 and self-checking circuit etc., wherein transmission channel module input 2 104 connects emission input 10, transmission channel module input one 101 connecting signal source module outputs 2 302, transmission channel module input/output terminal 102 connects control processing module input/output terminal 502, transmission channel module emission output is connected 11, four transmission channel modules of antenna and receives outputs 103 and the one 201 corresponding connections of four receiving channel modules reception inputs with reception input 105; Signal source module output 3 303 is the local oscillation signal output, its with four receiving channel module control input ends 2 202 mutually and connect, signal source module output 1 is connected with transmitter 15; Four receiving channel module video output terminals 203 and the 402 corresponding connections of four video processing module video inputs; Control processing module output 501 is connected with video processing module control signal input 401.
Each work period of TCAS receiver is carried out fault judgement self-checking function to three kinds of states of 8 antennas, the transmitting power size of 8 road transmission channels, the accepting state of 4 road receive paths, to ensure that receiver is in normal operating conditions in real time.
Owing to having adopted digital regulation resistance 34 to regulate the video export technique, make the interior amplitude coincidence of the full temperature scope of four circuit receiver can reach 0.3dB, greatly improve receiver and declared angular accuracy.
Owing to adopting the digital processing mode to the vision signal base treatment, ensureing high consistency between different interchannel receiving sensitivities.In addition, realize the high-density digital circuit owing to having adopted the MULTILAYER COMPOSITE dielectric-slab, high-power transmission channel, the Various Complex circuit such as large dynamically small-signal receive path merge, adopt simultaneously micropackaging surface mount elements and large scale integrated chip, simplified circuit, improved the performance of TCAS receiver, greatly dwindle volume, alleviated weight.
Therefore high-precision receiver receiver module of the present utility model has that integrated level is high, volume is little; Declare angular accuracy high; The receiving sensitivity high conformity of different passages; Self-checking function congruence plurality of advantages.
Claims (2)
1. high-precision receiver receiver module, it is characterized in that: the receiving channel module of receiving channel module (2) receives in turn concatenated filter one (20) of input one (201), amplitude limiter (21), low noise amplifier (22), frequency mixer (23), IF amplifier (24), filter two (25) and logarithmic amplification wave detector (26), one tunnel output concatenated filter three (27) of logarithmic amplification wave detector (26) and an input of selector switch (29), another input of another road output concatenated filter four (28) and selector switch (29), the input of Third Road output contact resistance one (35); Be connected with the input of resistance two (36) behind the output serial connection logarithmic amplification wave detector (30) of selector switch (29); Three inputs of digital regulation resistance (34) connect respectively outside latch input (31), data inputs (32) and clock and input (33), the input of one road output contact resistance three (37), the second input of its another road output concatenation operation amplifier (39); The be connected in parallel first input end of operational amplifier (39) of resistance one (35), resistance two (36) and resistance three (37) outputs, first input end and the output of resistance four (38) cross-over connection operational amplifiers (39), ground connection behind the second input contact resistance five (40) of operational amplifier (39); Wherein one tunnel output of operational amplifier (39) is receiving channel module video output terminals (203), and it is connected with video processing module (4), and its another road is output as relatively output (42).
2. high-precision receiver receiver module according to claim 1, it is characterized in that: receiving channel module (2) quantity in receiver is 4, is connected respectively 4 transmission channel modules and receives outputs (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220279284 CN202841107U (en) | 2012-06-14 | 2012-06-14 | High precision receiver reception module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220279284 CN202841107U (en) | 2012-06-14 | 2012-06-14 | High precision receiver reception module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841107U true CN202841107U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220279284 Expired - Lifetime CN202841107U (en) | 2012-06-14 | 2012-06-14 | High precision receiver reception module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730547A (en) * | 2015-03-25 | 2015-06-24 | 天津七六四通信导航技术有限公司 | Logarithmic amplifying circuit applied to receiver of Tacan ground device |
-
2012
- 2012-06-14 CN CN 201220279284 patent/CN202841107U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730547A (en) * | 2015-03-25 | 2015-06-24 | 天津七六四通信导航技术有限公司 | Logarithmic amplifying circuit applied to receiver of Tacan ground device |
| CN104730547B (en) * | 2015-03-25 | 2017-06-09 | 天津七六四通信导航技术有限公司 | It is applied to the logarithmic amplifying circuit of Tacan ground installation receiver |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |