CN2190379Y - Compressed receiver - Google Patents
Compressed receiver Download PDFInfo
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- CN2190379Y CN2190379Y CN 94203122 CN94203122U CN2190379Y CN 2190379 Y CN2190379 Y CN 2190379Y CN 94203122 CN94203122 CN 94203122 CN 94203122 U CN94203122 U CN 94203122U CN 2190379 Y CN2190379 Y CN 2190379Y
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Abstract
The utility model discloses a compressed receiver, which is composed of components, such as an antenna, a diplexer, a preselector, a front end, a compression processing unit, a frequency sweep vibration source, a frequency synthesizer, a crystal vibration source and a data processor, etc. The receiver adopts a sound meter wave dispersion delay-line matched by a pair of time-frequency characteristic conjugates to finish pre-multiply and convolution operation and to realize the time frequency transformation for a signal; the data processing unit is used for carrying out frequency coding and characteristic extraction, and the observation of a communication signal and other functions are finished. The compressed receiver has the characteristics of fast searching speed, broad instantaneous band, large dynamic range, high frequency resolution, reliable performance, simple operation, etc.
Description
The utility model relates to the compressive receiver in the radio communication field, can be applicable to conventional communication signal is carried out outside the frequency measurement, can also intercept and capture spread spectrum communications signals such as Frequency Hopping Signal, finish the net platform sorting identification and the guiding of Frequency Hopping Signal are located and interference the direction finding of frequency hopping radio set, also can detect simultaneously the radar signal in this frequency range or other electromagnetic signal.
Along with developing rapidly of the communication technology, spread spectrum technic has been widely used in the multiple communications field, frequency hopping, during jumping, the straight expansion, jumping expansion combinations etc. are anti-interference, the appearance in the radio station of anti-interception capability, requirement to reconnaissance receiver is more and more higher, the present frequency measuring receiver that uses at communication situation, because search speed is slow, instant bandwidth is narrow, frequency resolution is low, can not finish the direction finding location is intercepted and captured in the scouting of spread-spectrum signal, and effectively guide jammer to follow the tracks of interference, and, scouting in the communication and direction finding are used be restricted the identification sorting of frequency hopping net platform.
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and the compressive receiver that a kind of search speed is fast, instantaneous band is wide, frequency resolution is high is provided, and the utility model also has and can carry out identification of net platform and characteristics such as guiding interference and direction finding to frequency hopping radio set, and the utility model dependable performance, simple to operate, easy to utilize.
The purpose of this utility model is achieved in that it is made up of parts such as antenna 1, shared device 2, preselector 3, front end 4, frequency synthesizer 5, compression processing unit 6, frequency sweep local vibration source 7, data processor 8, power supply 9, crystal oscillator sources 10.Wherein antenna 1 goes out end and goes into to hold with shared device 2 and be connected, shared device 2 is told three path channels, every path channels serial connection preselector 3, front end 4, compression processing unit 6 backs are gone into end with data processor 8 and are connected, every road frequency synthesizer 5 is gone into end and is gone out to hold with crystal oscillator source 10 and be connected, every road frequency synthesizer 5 goes out end and front end 4 one and goes into to hold and be connected, frequency sweep local vibration source 7 backs in each path channels of end serial connection of going out of data processor 8 are gone into to hold with compression processing unit 6 and are connected, each road power supply 9V1 end is gone into end with frequency sweep local vibration source 7 and is connected, and V2, V3 end is connected with each parts power end.
The purpose of this utility model can also reach by following measure:
The utility model preselector 3 is made up of 1 to 10 road preselection filters, and every road preselection filter is by K switch
1, capacitor C
2To C
8And inductance L
1To L
7Constitute seven grades of filters, K switch
2, amplifier 11 constitutes wherein shared device 2 output serial connection capacitor C
1Back and each preselection filter K switch
1Fixed contact also connects, each K switch
1Moving contact also connects each preselection filter capacitor C
2, C
3, inductance L
1, L
2One end, capacitor C
3, inductance L
2The other end and capacitor C
4, C
5, inductance L
3, L
4One end also connects capacitor C
5, inductance L
4The other end and capacitor C
6, C
7, inductance L
5, L
6One end also connects capacitor C
7, inductance L
6The other end and capacitor C
8, C
9, inductance L
7One end also connects capacitor C
2, C
4, C
6, C
8, inductance L
1, L
3, L
5, L
7Other end earth terminal, capacitor C
9The other end and K switch
2Moving contact connects, K switch
2Fixed contact is connected with 1 pin of amplifier 11,3 pin series resistor R of amplifier 11
1Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
10The back is gone into end with front end 4 and is connected.
The utility model front end 4 is by amplifier 12 to 14, frequency mixer 15,16, capacitor C
16To C
20And inductance L
9To L
13Constitute Pyatyi filter and capacitor C
42To C
46, inductance L
14To L
18The Pyatyi filter that constitutes is formed, wherein preselector 3 serial connection capacitor C
10The back is connected 3 pin series resistor R of amplifier 12 with 1 pin of amplifier 12
2Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
12The back is connected with 1 pin of frequency mixer 15, the 8 pin serial connection capacitor C of frequency mixer 15
13The back goes out to hold with synthesizer 5 and is connected, 2,5,6,7 pin and connect after ground connection again, 3,4 pin and connect after be connected in series capacitor C again
14Back and capacitor C
16, C
17, inductance L
9, L
10One end also connects capacitor C
17, inductance L
10The other end and capacitor C
18, C
19, inductance L
11, L
12One end also connects capacitor C
19, inductance L
12The other end and capacitor C
20, C
15, inductance L
13One end also connects capacitor C
16, C
18, C
20, inductance L
9, L
11, L
13Other end earth terminal, capacitor C
15The other end is connected with 1 pin of amplifier 13,3 pin series resistor R of amplifier 13
3Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
21The back is connected with 1 pin of frequency mixer 16, the 8 pin serial connection capacitor C of frequency mixer 15
22The back goes out to hold with synthesizer 5 and is connected, 2,5,6,7 pin and connect after ground connection again, 3,4 pin and connect after be connected in series capacitor C again
23Back and capacitor C
42, C
43, inductance L
14, L
15One end also connects capacitor C
43, inductance L
15The other end and capacitor C
44, C
45, inductance L
16, L
17One end also connects capacitor C
45, inductance L
17The other end and capacitor C
46, C
47, inductance L
18One end also connects capacitor C
42, C
44, C
46, inductance L
14, L
16, L
18, other end earth terminal, capacitor C
47The other end is connected with 1 pin of amplifier 14,3 pin series resistor R of amplifier 14
4Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
24The back is gone into end with compression processing unit 6 and is connected.
The utility model compression processing unit 6 is made up of frequency mixer 17, compressed lines 18, logarithmic amplifier 19 to 22, the video amplifier 23, emitter follower 24, wherein front end 4 output serial connection capacitor C
26The back is connected with 1 pin of frequency mixer 17,8 pin serial connection capacitor C
28Back and frequency sweep local vibration source 7 go out that end is connected, 2,5,6,7 pin and connect after ground connection, 3,4 pin are connected in series capacitor C again
27, compressed lines 18, capacitor C
296,7 pin of back and logarithmic amplifier 19 also connect, and each 2 pin of logarithmic amplifier 19 to 22 also meet back and power supply 9V
3End connects, each 4 pin and connect after be connected in series capacitor C again
33Back and resistance R
5, R
6One end, the video amplifier 23 base stages also connect, and 3 pin of logarithmic amplifier 19 are connected with 6 pin of logarithmic amplifier 20, the 3 pin serial connection capacitor C of logarithmic amplifier 20
30The back is connected with 6,7 pin of logarithmic amplifier 21, and 3 pin of logarithmic amplifier 21 are connected with 6 pin of logarithmic amplifier 22, the video amplifier 23 emitters and connecting resistance R
8, capacitor C
34One end, collector electrode and connecting resistance R
7, capacitor C
35One end, capacitor C
35The other end is connected with emitter follower 24 base stages, emitter follower 24 emitters and connecting resistance R
10, R
11One end, collector series connection resistance R
9Back and power supply 9V
2End connects, resistance R
5, R
7Another termination power 9V
2End, resistance R
6, R
8, R
10, capacitor C
34Other end earth terminal, resistance R
11The other end is gone into end with data processor 8 and is connected.
The utility model frequency sweep local vibration source 7 is made up of monostable circuit 26, snowslide pipe 27, broadening line 28, amplifier 29,30, and wherein 3 pin of monostable circuit 26 are connected with walking out of end with data processor 8, and 4,5 pin also meet series resistor R again
12Back and power supply 9V
3End connects, 1,2 pin hold with ground and connect, 11 pin are connected in series capacitor C
36Back and 13 pin, resistance R
13One end and connect, 14 pin and resistance R
13The other end and power supply 9V
3End connects, 8 pin serial connection capacitor C
37Back and diode D
1Negative pole, resistance R
14One end, snowslide pipe 27 base stages and connect, diode D
1Anodal, resistance R
14The other end, snowslide pipe 27 grounded collector ends, snowslide pipe 27 emitters one road series resistor R
15Back and power supply 9V
1End connects, another road serial connection capacitor C
38, broadening line 28, capacitor C
39, amplifier 29, capacitor C
40, amplifier 30, capacitor C
41The back is gone into end with intermediate frequency amplifier 6 and is connected resistance R
16One end is attempted by capacitor C
38And broadening line 28 is gone into back other end earth terminal between the end, the 3 pin difference series resistor R of amplifier 29,30
17, R
18After meet power supply 9V
2End.
The utility model is compared background technology following advantage:
1. to adopt channelizing reception technique and pulse compression technique to reach search speed fast for the utility model, and instantaneous band is wide, and dynamic range is big, can handle a plurality of signals that arrive simultaneously.
2. the utility model decapacitation is carried out can also intercepting and capturing Frequency Hopping Signal, burst outside the frequency measurement to the general communication signal, and can carry out the identification of net platform to frequency hopping radio set, and the function of guiding direction finding and interference is good radio-frequency spectrum surveillance.
3. the utility model dependable performance, simple to operate is made simple and easyly, and purposes is wide, and is easy to utilize.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the utility model functional-block diagram.
Fig. 2 is the electrical schematic diagram of the utility model preselector 3.
Fig. 3 is the electrical schematic diagram of the utility model front end 4.
Fig. 4 is the electrical schematic diagram of the utility model compression processing unit 6.
Fig. 5 is the electrical schematic diagram of the utility model frequency sweep local vibration source 7.
Referring to figs. 1 through Fig. 5, the utility model is made up of antenna 1, shared device 2, preselector 3, front end 4, frequency synthesizer 5, compression processing unit 6, frequency sweep local vibration source 7, data processor 8, power supply 9, crystal oscillator source 10.Antenna 1 is input to shared device 2 to the signal that receives, and embodiment antenna 1 adopts homemade omnidirectional antenna to make.Shared device 2 is divided into three paths, and the operating frequency of every paths all is 20 to 1250MHz, and shared device 2 embodiment adopt homemade general demultiplexer circuit to make.Through the signal input preselector 3 on the every road after along separate routes, every road preselector 3 is made up of 1 to 10 road preselection filters, and every road preselection filter is by K switch
1, capacitor C
2To C
8And inductance L
1To L
7Constitute seven grades of filters, K switch
2, amplifier 11 constitutes wherein shared device 2 output serial connection capacitor C
1Back and each preselection filter K switch
1Fixed contact also connects, each K switch
1Moving contact also connects each preselection filter capacitor C
2, C
3, inductance L
1, L
2One end, capacitor C
3, inductance L
2The other end and capacitor C
4, C
5, inductance L
3, L
4One end also connects capacitor C
5, inductance L
4The other end and capacitor C
6, C
7, inductance L
5, L
6One end also connects capacitor C
7, inductance L
6The other end and capacitor C
8, C
9, inductance L
7One end also connects capacitor C
2, C
4, C
6, C
8, inductance L
1, L
3, L
5, L
7Other end earth terminal, capacitor C
9The other end and K switch
2Moving contact connects, K switch
2Fixed contact is connected with 1 pin of amplifier 11,3 pin series resistor R of amplifier 11
1Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
10The back is gone into end with high-frequency amplifier 4 and is connected.
Embodiment channel switch K adopts commercially available tosw-425 type switch to make, select channel switch K1, K2 to make it be operated in corresponding channel according to the signal frequency of measuring during work, 1 to 10 road preselection filters are suboctave filter, and embodiment adopts each filter of 3 road preselection filters to finish corresponding filter function.By capacitor C
2To C
8And inductance L
1To L
7Seven grades of filters that connect and compose are band pass filter, adopt the self-control circuit production to form, and its effect is the reradiation that suppresses mirror image interference, intermediate frequency interference, local oscillator.Amplifier 11 adopts a commercially available XN371 type production of integrated circuits, and the received signal of input is amplified in its effect, guarantees the receiving sensitivity of system.
The equal input front end 4 of the output signal of preselector 3 each road channel, front end 4 is by amplifier 12 to 14, frequency mixer 15,16, capacitor C
16To C
20And inductance L
9To L
13And capacitor C
24To C
46And inductance L
14To L
18Each constitutes the Pyatyi filter and forms.First order frequency mixer 15 in the front end 4 carries out mixing with the standard signal frequency that synthesizer 5 produces, produce the service frequency signal of 760MHz, import second level frequency mixer 16 again through the signal after the first order mixing, standard signal with synthesizer 5 generations carries out the mixing second time again, produces the 225MHz service frequency signal.By capacitor C
16To C
20And inductance L
9To the Pyatyi filter that L13 connects and composes, its effect suppresses noise and interference, improves spectral purity, and amplifier 12 to 14 its effects are amplified the whole receiving sensitivity of raising system to the signal of input.Its connection line is as follows: wherein preliminary election 3 is connected in series capacitor C
10The back is connected 3 pin series resistor R of amplifier 12 with 1 pin of amplifier 12
2Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
12The back is connected with 1 pin of frequency mixer 15, the 8 pin serial connection capacitor C of frequency mixer 15
13The back goes out to hold with synthesizer 5 and is connected, 2,5,6,7 pin and connect after ground connection again, 3,4 pin and connect after be connected in series capacitor C again
14Back and capacitor C
16, C
17, inductance L
9, L
10One end also connects capacitor C
17, inductance L
10The other end and capacitor C
18, C
19, inductance L
11, L
12One end also connects capacitor C
19, inductance L
12The other end and capacitor C
20, C
15, inductance L
13, an end and connect capacitor C
16, C
18, C
20, inductance L
9, L
11, L
13Other end earth terminal, capacitor C
15The other end is connected with 1 pin of amplifier 13,3 pin series resistor R of amplifier 13
3Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
21The back is connected with 1 pin of frequency mixer 16, the 8 pin serial connection capacitor C of frequency mixer 16
22The back goes out to hold with synthesizer 5 and is connected, 2,5,6,7 pin and connect after ground connection again, 3,4 pin and connect after be connected in series capacitor C again
23Back and capacitor C
42, C
43, inductance L
14, L
15One end also connects capacitor C
43, inductance L
15The other end and capacitor C
44, C
45, inductance L
16, L
17One end also connects capacitor C
45, inductance L
17The other end and capacitor C
46, C
47, inductance L
18One end also connects capacitor C
42, C
44, C
46, inductance L
14, L
16, L
18Other end earth terminal, capacitor C
47The other end is connected with 1 pin of amplifier 14,3 pin series resistor R of amplifier 14
4Back and power supply 9V
2End connects, 2 pin serial connection capacitor C
24The back is gone into end with compression processing unit 6 and is connected.Embodiment frequency mixer 15,16 respectively adopts a commercially available VGH9 type integrated package to make.Amplifier 12 to 14 respectively adopts a commercially available XN371 type integrated package to make.By capacitor C
16To C
20And inductance L
9To L
13, C
24To C
46And inductance L
14The Pyatyi filter that respectively connects and composes to L18 adopts the self-control circuit production to form.Synthesizer 5 embodiment adopt the self-control circuit production to form.
Through the received signal input compression processing unit 6 that front end 4 was handled, carry out the signal pulse compression and amplify also detection, detection signal is provided.Compression processing unit 6 is made up of frequency mixer 17, compressed lines 18, logarithmic amplifier 19 to 22, the video amplifier 23, emitter follower 24.The frequency sweep local oscillation signal that service frequency signal that frequency mixer 17 provides front end 4 and frequency sweep local vibration source 7 provide carries out mixing, the frequency signal of output 85MHz is to compressed lines 18, the different frequency of 18 pairs of inputs of compressed lines has different delayed time, and input signal is compressed into pulse signal, pulse signal input logarithmic amplifier 19 to 22 after the compression amplifies, the effect of logarithmic amplifier 19 to 22 is highly sensitive, wide band amplifications, guarantees that dynamic range is big.The video amplifier 23 amplifies the pulse signal of logarithmic amplifier output, guarantees the detection signal amplitude, inputs to data processor 8 by emitter follower 24 and handles.The connection line of compression processing unit 6 is as follows: front end 4 output serial connection capacitor C
26The back is connected with 1 pin of frequency mixer 17,8 pin serial connection capacitor C
28The back goes out end with frequency sweep local vibration source 7 and is connected, 2,5,6,7 pin and connect after ground connection, 3,4 pin are connected in series capacitor C again
27, compressed lines 18, capacitor C
296,7 pin of back and logarithmic amplifier 19 also connect, and each 2 pin of logarithmic amplifier 19 to 22 also meet back and power supply 9V
3End connects, each 4 pin and connect after be connected in series capacitor C again
33Back and resistance R
5, R
6One end, the video amplifier 23 base stages also connect, and 3 pin of logarithmic amplifier 19 are connected with 6 pin of logarithmic amplifier 20, the 3 pin serial connection capacitor C of logarithmic amplifier 20
30The back is connected with 6,7 pin of logarithmic amplifier 21, and 3 pin of logarithmic amplifier 21 are connected with 6 pin of logarithmic amplifier 22, the video amplifier 23 emitters and connecting resistance R
8, capacitor C
34One end, collector electrode and connecting resistance R
7, capacitor C
35One end, capacitor C
35The other end is connected with emitter follower 24 base stages, emitter follower 24 emitters and connecting resistance R
10, R
11One end, collector series connection resistance R
9Back and power supply 9V
2End connects, resistance R
5, R
7Another termination power 9V
2End, resistance R
6, R
8, R
10, capacitor C
34Other end earth terminal, resistance R
11The other end is gone into end with data processor 8 and is connected.Embodiment frequency mixer 17 adopts commercially available VJH6 type integrated package to make, compressed lines 18 adopts commercially available SAW chromatic dispersion delay line to make, logarithmic amplifier 19 to 22 adopts commercially available X395 type integrated package to make, the video amplifier 23 adopts commercially available 3DG142 transistor npn npn to make, and emitter follower 24 adopts commercially available 3DG142 transistor npn npn to make.Data processor 8 adopts commercially available MCS-51 type single chip microcomputer to make, and its effect acquired signal amplitude and time of occurrence carry out sorting to signal, discern frequency hopping net platform then, the guiding jammer disturbs, and guides direction-finder set that frequency hopping radio set is carried out direction finding, finishes whole receiving function.
By the synchronizing signal input frequency sweep local vibration source 7 of data processor 8 outputs, the control search is initial; Frequency sweep local vibration source 7 is made up of monostable circuit 26, snowslide pipe 27, broadening line 28, amplifier 29,30.Monostable circuit 26 produces a pulse input snowslide pipe 27, snowslide pipe 27 collector electrodes add a high voltage, make snowslide pipe 27 under the triggering of pulse, produce a burst pulse that voltage is very high, this narrow pulse signal input broadening line 28, chirp pulse signal of broadening line 28 outputs, has time-frequency characteristic conjugate impedance match with time-frequency characteristic and compressed lines 18, the FM signal input amplifier 29,30 of broadening line 28 outputs amplifies, import compression processing unit 6 again, as the frequency sweep local oscillation signal of compressive receiver.Frequency sweep local vibration source 7 connection lines are as follows: 3 pin of monostable circuit 26 are connected with walking out of end with data processor 8, and 4,5 pin also meet series resistor R again
12Back and power supply 9V
3End connects, 1,2 pin hold with ground and connect, 11 pin are connected in series capacitor C
36Back and 13 pin, resistance R
13One end and connect, 14 pin and resistance R
13The other end and power supply 9V
3End connects, 8 pin serial connection capacitor C
37Back and diode D
1Negative pole, resistance R
14The other end, snowslide pipe 27 grounded collector ends, snowslide pipe 27 emitters one road series resistor R
15Back and power supply 9V
1End connects, another road serial connection capacitor C
38, broadening line 28, capacitor C
39, amplifier 29, capacitor C
40, amplifier 30, capacitor C
41The back is gone into end with intermediate frequency amplifier 6 and is connected resistance R
16One end is attempted by capacitor C
38And broadening line 28 go between the end after other end earth terminal again, 3 pin of amplifier 29,30 are series resistor R respectively
17, R
18After meet power supply 9V
2End.Embodiment monostable trigger-action circuit 26 adopts commercially available 74LS122 type integrated package to make.Snowslide pipe 27 adopts commercially available 3DB2E type element manufacturing.Broadening line 28 adopts commercially available SAW chromatic dispersion delay line to make.Amplifier 29,30 adopts commercially available XN381 type production of integrated circuits.Diode D
1Play the amplitude limit effect, adopt commercially available 2DK type element manufacturing.The utility model power supply 9 adopts the self-control power supply to be made its V
1The positive 150V of end output voltage, V
2The positive 12V of end output voltage, V
3The positive 5V of end output voltage.All resistance, electric capacity all adopt commercially available general-purpose device to make, and used inductance coil all turns to air core coil with the enamelled wire of φ 0.5 and is made.
The concise and to the point operation principle of this practicality is as follows: the utility model receiver is normally finished with the SAW dispersive delay line of the compressed lines 18 of a pair of time-frequency characteristic conjugate impedance match, broadening line 28 and is taken advantage of with convolution in advance, the dispersive delay line that is used for producing existing FM signal is a broadening line 28, and being used for finishing filtering, to carry out the dispersive delay line of convolution algorithm be compressed lines 18.
The utility model adopts the superhet compressive receiver, does up-conversion receiving the signal that comes from antenna 1, multiplies each other with broadening line 28 again; Input Video Amplifier 23 outputting video signals send data processor 8 behind intermediate frequency amplifier 6 compression channels, this signal is carried out frequency coding, feature extraction, analysis etc., finishing the guiding jammer implements to disturb, to the function that the identification sorting of frequency hopping net platform and panorama show, finish whole receiving course.
The utility model mounting structure is as follows: the components and parts of shared device 2 are installed in 106 millimeters of block lengths, the wide 66 millimeters printed boards, then printed board is installed in long 110 millimeters, wide 70 millimeters, the high 30 millimeters shielding box, input and three tunnel four cable sockets exporting are installed on the epipleural of shielding box.The components and parts of preselector 3 are installed in 144 millimeters of block lengths, the wide 106 millimeters printed board, then printed board being installed in length * wide * height is in 148 * 110 * 45 millimeters the shielding box, one tunnel input, one tunnel output totally two cable sockets are installed on the epipleural of shielding box, the components and parts of front end 4 are installed in 216 millimeters of block lengths, the wide 106 millimeters printed board, then printed board being installed in length * wide * height is in 220 * 110 * 45 millimeters the shielding box, and three tunnel inputs, one tunnel output totally four cable sockets are installed on the epipleural of shielding box.The components and parts of synthesizer 5 are installed in 144 millimeters of two block lengths, the wide 106 millimeters printed board, and then printed board being installed in length * wide * height is in 296 * 110 * 30 millimeters the shielding box, and three road cable sockets are installed on the epipleural of shielding box.The components and parts of intermediate frequency amplifier 6, frequency sweep local vibration source 7 are installed in respectively in 286 millimeters of block lengths, wide 106 the printed board, then printed board being installed in length * wide * height is in 290 * 110 * 30 millimeters the shielding box, and three cable sockets are installed on the epipleural of shielding box.The components and parts of data processor 8 are installed in 316 millimeters of 5 block lengths, in the wide 106 millimeters printed board, then printed board being installed in 5 long * wide * height respectively is in 340 * 110 * 100 millimeters the shielding box, then all shielding boxs being installed in size length * wide * height is in 480 * 410 * 167 millimeters the cabinet, cable socket between the shielding box is pressed Fig. 1 to Fig. 5 annexation and is connected with cable with cable connector, each shielding box is drawn each power supply lead wire, power supply 9 is assembled into an individual components, be installed in the cabinet, the output of each power supply is connected with the power line of each shielding box.Crystal oscillator 10 adopts the high steady 100MHZ crystal oscillator of commercially available constant temperature, and it is of a size of 60 * 60 * 70 millimeters by dress.The utility model antenna 1 is installed in outdoor, connects by cable connector and cable.This use novel cable connector assembly adopts commercially available L12 type cable connector to install.
Claims (5)
1, a kind of compressive receiver of being made up of antenna (1), shared device (2), data processor (8), power supply (9), frequency synthesizer (5), crystal oscillator source (10) is characterised in that preselector (3), front end (4), compression processing unit (6), frequency sweep local vibration source (7) are formed in addition.Wherein antenna (1) goes out end and goes into to hold with shared device (2) and be connected, shared device (2) two is told three path channels, every path channels serial connection preselector (3), front end (4), compression processing unit (6) back is gone into end with data processor (8) and is connected, every road frequency synthesizer (5) is gone into end and is gone out to hold with crystal oscillator source (10) and be connected, every road frequency synthesizer (5) goes out end and is connected with the end of going into of front end (4), frequency sweep local vibration source (7) back in each path channels of end serial connection of going out of data processor (8) is gone into to hold with compression processing unit (6) and is connected, each road power supply (9) V1 end is gone into end with frequency sweep local vibration source (7) and is connected V2, the V3 end is connected with each parts power end.
2, compressive receiver according to claim 1 is characterized in that preselector (3) is made up of 1 to 10 road preselection filters, and every road preselection filter is by switch (K
1), capacitor C
2To C
8And inductance L
1To L
7Constitute seven grades of filters, switch (K
2), amplifier (11) constitutes wherein shared device (2) output serial connection capacitor C
1Back and each preselection filter switch (K
1) fixed contact and meet each switch (K
1) moving contact and connect each preselection filter capacitor C
2, C
3, inductance L
1, L
2One end, capacitor C
3, inductance L
2The other end and capacitor C
4, C
5, inductance L
3, L
4One end also connects capacitor C
5, inductance L
4The other end and capacitor C
6, C
7, inductance L
5, L
6One end also connects capacitor C
7, inductance L
6The other end and capacitor C
8, C
9, inductance L
7One end also connects capacitor C
2, C
4, C
6, C
8, inductance L
1, L
3, L
5, L
7Other end earth terminal, capacitor C
9The other end and switch (K
2) the moving contact connection, switch (K
2) fixed contact is connected with 1 pin of amplifier (11), 3 pin series resistor R of amplifier (11)
1Back and power supply (9) V
2End connects, 2 pin serial connection capacitor C
10The back is gone into end with front end (4) and is connected.
3, compressive receiver according to claim 1 and 2 is characterized in that front end (4) is by amplifier (12 to 14), frequency mixer (15,16), capacitor C
16To C
20And inductance L
9To L
13Constitute Pyatyi filter and capacitor C
42To C
46, inductance L
14To L
18The Pyatyi filter that constitutes is formed, wherein preliminary election (3) serial connection capacitor C
10The back is connected 3 pin series resistor R of amplifier (12) with 1 pin of amplifier (12)
2Back and power supply (9) V
2End connects, 2 pin serial connection capacitor C
12The back is connected with 1 pin of frequency mixer (15), the 8 pin serial connection capacitor C of frequency mixer (15)
13The back go out to be held with synthesizer (5) and is connected, 2,5,6,7 pin and connect after ground connection again, 3,4 pin and connect after be connected in series capacitor C again
14Back and capacitor C
16, C
17, inductance L
9, L
10One end also connects capacitor C
17, inductance L
10The other end and capacitor C
18, C
19, inductance L
11, L
12One end also connects capacitor C
19, inductance L
12The other end and capacitor C
20, C
15, inductance L
13One end also connects capacitor C
16, C
18, C
20, inductance L
9, L
11, L
13Other end earth terminal, capacitor C
15The other end is connected with 1 pin of amplifier (13), 3 pin series resistor R of amplifier (13)
3Back and power supply (9) V
2End connects, 2 pin serial connection capacitor C
21The back is connected with 1 pin of frequency mixer (16), the 8 pin serial connection capacitor C of frequency mixer (16)
22The back go out to be held with synthesizer (5) and is connected, 2,5,6,7 pin and connect after ground connection again, 3,4 pin and connect after be connected in series capacitor C again
23Back and capacitor C
42, C
43, inductance L
14, L
15One end also connects capacitor C
43, inductance L
15The other end and capacitor C
44, C
45, inductance L
16, L
17One end also connects capacitor C
45, inductance L
17The other end and capacitor C
46, C
47, inductance L
18One end also connects capacitor C
42, C
44, C
46, inductance L
14, L
16, L
18Other end earth terminal, capacitor C
47The other end is connected with 1 pin of amplifier (14), 3 pin series resistor R of amplifier (14)
4Back and power supply (9) V
2End connects, 2 pin serial connection capacitor C
24The back is gone into end with compression processing unit (6) and is connected.
4, compressive receiver according to claim 3, it is characterized in that compression processing unit (6) is made up of frequency mixer (17), compressed lines (18), logarithmic amplifier (19 to 22), the video amplifier (23), emitter follower (24), wherein front end (4) output serial connection capacitor C
26The back is connected with 1 pin of frequency mixer (17), 8 pin serial connection capacitor C
28Back and frequency sweep local vibration source (7) go out that end is connected, 2,5,6,7 pin and connect after ground connection, 3,4 pin are connected in series capacitor C again
27, compressed lines (18), capacitor C
296,7 pin of back and logarithmic amplifier (19) also connect, and each 2 pin of logarithmic amplifier (19) to (22) also meet back and power supply (9) V
3End connects, each 4 pin and connect after be connected in series capacitor C again
33Back and resistance R
5, R
6One end, the video amplifier (23) base stage also connect, and 3 pin of logarithmic amplifier (19) are connected with 6 pin of logarithmic amplifier (20), the 3 pin serial connection capacitor C of logarithmic amplifier (20)
30The back is connected with 6,7 pin of logarithmic amplifier (21), and 3 pin of logarithmic amplifier (21) are connected with 6 pin of logarithmic amplifier (22), the video amplifier (23) emitter and connecting resistance R
8, capacitor C
34One end, collector electrode and connecting resistance R
7, capacitor C
35One end, capacitor C
35The other end is connected emitter follower (24) emitter and connecting resistance R with emitter follower (24) base stage
10, R
11One end, collector series connection resistance R
9Back and power supply (9) V
2End connects, resistance R
5, R
7Another termination power (9) V
2End, resistance R
6, R
8, R
10, capacitor C
34Other end earth terminal, resistance R
11The other end is gone into end with data processor (8) and is connected.
5, compressive receiver according to claim 4, it is characterized in that frequency sweep local vibration source (7) is made up of monostable circuit (26), snowslide pipe (27), broadening line (28), amplifier (29,30), wherein 3 pin of monostable circuit (26) are connected with walking out of end with data processor (8), and 4,5 pin also connect series resistor again.R
12Back and power supply (9) V
3End connects, 1,2 pin hold with ground and connect, 11 pin are connected in series capacitor C
36Back and 13 pin, resistance R
13One end and connect, 14 pin and resistance R
13The other end and power supply (9) V
3End connects, 8 pin serial connection capacitor C
37Back and diode D
1Negative pole, resistance R
14One end, snowslide pipe (27) base stage and connect, diode D
1Anodal, resistance R
14The other end, snowslide pipe (27) grounded collector end, snowslide pipe (27) emitter one road series resistor R
15Back and power supply (9) V
1End connects, another road serial connection capacitor C
38, broadening line (28), capacitor C
39, amplifier (29), capacitor C
40, amplifier (30), capacitor C
41The back is gone into end with intermediate frequency amplifier (6) and is connected resistance R
16One end is attempted by capacitor C
38And broadening line (28) go between the end after other end earth terminal again, 3 pin of amplifier (29,30) are series resistor R respectively
17, R
18After meet power supply (9) V
2End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94203122 CN2190379Y (en) | 1994-02-02 | 1994-02-02 | Compressed receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94203122 CN2190379Y (en) | 1994-02-02 | 1994-02-02 | Compressed receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2190379Y true CN2190379Y (en) | 1995-02-22 |
Family
ID=33822719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94203122 Expired - Fee Related CN2190379Y (en) | 1994-02-02 | 1994-02-02 | Compressed receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2190379Y (en) |
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 |
| CN107024691A (en) * | 2016-01-30 | 2017-08-08 | 南京理工大学 | Phased array system based on dispersive delay line |
-
1994
- 1994-02-02 CN CN 94203122 patent/CN2190379Y/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN107024691A (en) * | 2016-01-30 | 2017-08-08 | 南京理工大学 | Phased array system based on dispersive delay line |
| CN107024691B (en) * | 2016-01-30 | 2023-09-12 | 南京理工大学 | Phased array system based on dispersive delay line |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |