CN201550107U - Wideband transceiver - Google Patents

Wideband transceiver Download PDF

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Publication number
CN201550107U
CN201550107U CN2009202433257U CN200920243325U CN201550107U CN 201550107 U CN201550107 U CN 201550107U CN 2009202433257 U CN2009202433257 U CN 2009202433257U CN 200920243325 U CN200920243325 U CN 200920243325U CN 201550107 U CN201550107 U CN 201550107U
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China
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switch
output
amplifier
frequency
filter
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Expired - Fee Related
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CN2009202433257U
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Chinese (zh)
Inventor
牛书强
陈波
姚华
谭尊林
李涛
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Dfine Technology Co Ltd
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Dfine Technology Co Ltd
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Abstract

The utility model provides a wideband transceiver, relates to the electronic communication field, intending to resolve the technical problems of narrow frequency coverage, small dynamic range, low sensitivity, low resolution and big volume of the traditional wideband transceiver. The wideband transceiver of the utility model comprises a receiver module, a local oscillation module and a transmitter module. The transceiver is suitable for the microwave radio frequency communicated wideband transceiver.

Description

Broadband transceiver
Technical field
The utility model relates to electronic communication field, particularly a kind of broadband transceiver that is used for microwave radio communication.
Background technology
Current microwave radio communication technology application, the high performance wideband transceiver is subjected to extensive use and has far-reaching social effect and huge economic.On civilian, the universal broadband transceiver can be widely used in civil aviation, space flight, maritime communication, scientific investigation and the aspect such as reconnoitre.Use in army, the universal broadband transceiver can be used as frequency monitoring, and the enemy broadcasting station signal is monitored and detected, and can be used in the identification of friend or foe, IFF.Simultaneously, because the fast development of the communication technology, modern modulation system is numerous and complicated various, cause the degree of crowding of wireless frequency spectrum to be increasingly sharpened, the performance and the index of aspects such as the linearity of receiver, dynamic range, sensitivity, antijamming capability, adaptability proposed more and more harsher requirement.Need high-performance ultra broadband of new generation broadband transceiver to satisfy this new demand.
The complex art application product of broadband transceiver has been integrated broadband receiver and broadband emission machine technology, new generation broadband transceiver are in design and realize more and more tending to high-performance, the high integration direction develops.On performance, the modern broadband transceiver mainly is to aspect development such as high linearity, great dynamic range, high sensitivity, high-resolution.This just requires the modern broadband transceiver under the prerequisite that guarantees input ability (being high sensitivity): the linearity that improves transceiver as much as possible, make distorted signals minimum, the error rate minimum: the dynamic range of broadening receiver as much as possible makes the fitness of receiver bigger, antijamming capability is stronger.
Mainly there are many deficiencies such as narrow such as frequency coverage, that dynamic range is little, sensitivity is low, resolution is low, volume is big in the broadband transceiver that exists on the current market.
Summary of the invention
The utility model is intended to solve technical problems such as traditional broadband transceiver product frequency coverage is narrow, dynamic range is little, sensitivity is low, resolution is low, volume is big, so that a kind of broadband transceiver with characteristics such as extremely wide frequency coverage, great dynamic range, resolution height, high stability, volume are little to be provided.
The purpose of this utility model is achieved through the following technical solutions.
Broadband transceiver of the present utility model is made of receiver module, local oscillator module and sender module:
Wherein the signal source 1 of receiver module connects the input of amplitude limiter 2, the latter's output is connected in series attenuator 3 in turn, amplifier 4 backs are connected with either-or switch 20, be parallel with preselection filter 5 and preselection filter 6 between the input of the output of either-or switch 20 and either-or switch 7, the output of either-or switch 7 is connected in series amplifier 8, filter 9, frequency mixer 10, amplifier 11, filter 12, frequency mixer 13, amplifier 14, filter 15, switch 16, frequency mixer 17, amplifier 18, switch 19 in turn;
Wherein the crystal oscillator 21 of local oscillator module has three tunnel outputs, and first via output is connected in series the wet frequency device 13 of phase discriminator 1, voltage controlled oscillator 1 and receiver module in turn; The second tunnel output is connected in series the frequency mixer 10 of frequency multiplier 1, Direct Digital Synthesizer 1, phase discriminator 2 26, voltage controlled oscillator 2 27, frequency multiplier 2 29 and receiver module in turn, voltage controlled oscillator 2 27 links to each other with another input of phase discriminator 2 26 after one tunnel output serial connection Direct Digital Synthesizer 2 28 is arranged in addition; Third Road output is connected in series phase discriminator 3 30, voltage controlled oscillator 3 31, frequency divider 32 in turn, and three tunnel outputs of frequency divider are connected with amplitude limiter 40, amplitude limiter 46 and the amplitude limiter 55 of sender module respectively;
The input of the transmission signal source 35 connecting band bandpass filters 36 of sender module wherein, the latter's output is connected in series attenuator 37 in turn, frequency mixer 38, band pass filter 41, amplifier 42, band pass filter 43, frequency mixer 44 and either-or switch 47, be parallel with cavity body filter 48 and cavity body filter 49 between the output of either-or switch 47 and either-or switch 50 inputs, the output of either-or switch 50 is connected in series amplifier 51 in turn, low pass filter 52, frequency mixer 53, low pass filter 56 and either-or switch 61, be parallel with two groups of circuit between the output of either-or switch 61 and either-or switch 69 inputs, the first via is connected in series amplifier 57 in turn by the output of either-or switch 61, low pass filter 59, amplifier 62, eight way switch 64, band pass filter 66, behind eight way switch 67, be connected with either-or switch 69 inputs; The output of secondary route either-or switch 61 is connected with either-or switch 69 inputs after being connected in series amplifier 58, low pass filter 60, amplifier 63, six way switch 65, band pass filter 66, six way switch 68 in turn; Either-or switch 69 outputs serial connection low pass filter 70 backs are connected with signal source transmit port 71.
The beneficial effect of the utility model broadband transceiver:
1. extremely wide frequency coverage: the realization of broadband receiver is guaranteed in the fast development of wideband microwave device technology, this transceiver uses up-to-date scientific and technological achievement to guarantee that operating frequency range reaches 20-3000MHz, covered a plurality of octaves, must realize so wide frequency band by multiple technologies.
2. great dynamic range: dynamic range has guaranteed that greater than 80dB (not adding rf attenuation, i.e. high sensitivity and high IP3) fitness of receiver is bigger, antijamming capability is stronger.
3. high mirror image suppression characteristic: mirror image that high local oscillator is brought suppresses greater than 90dB.
4. resolution height: the scanning stepping refers to the interval of each adjacent output frequency, and more little resolution is high more at interval, and this receiver reaches 100Hz close scanning stepping.
5. frequency stability height: this transceiver local vibration source phase noise is low, is better than-90dBc/Hz@10KHz.Phase noise has reflected short-term frequency stability,
6. volume miniaturization: owing to adopt little encapsulation surface mount elements and large scale integrated chip, simplified circuit, improved the transmitting-receiving performance, dwindled volume greatly, alleviated weight.
Description of drawings
Fig. 1 receiver module circuit theory diagrams of the present utility model
Fig. 2 local oscillation circuit schematic diagram of the present utility model
Fig. 3 sender module circuit theory diagrams of the present utility model
Number in the figure explanation: 1 signal source, 2 amplitude limiters, 3 attenuators, 4 amplifiers, 5 preselection filters, 6 preselection filters, 7 either-or switch, 8 amplifiers, 9 filters, 10 frequency mixers, 11 amplifiers, 12 filters, 13 frequency mixers, 14 amplifiers, 15 filters, 16 switches, 17 frequency mixers, 18 amplifiers, 19 switches, 20 either-or switch, 21 crystal oscillators, 22 phase discriminators one, 23 voltage controlled oscillators one, 24 frequency multipliers one, 25 Direct Digital Synthesizers one, 26 phase discriminators two, 27 voltage controlled oscillators two, 28 Direct Digital Synthesizers two, 29 frequency multipliers two, 30 phase discriminators three, 31 voltage controlled oscillators three, 32 frequency dividers, 35 send signal source, 36 band pass filters, 37 attenuators, 38 frequency mixers, 39 filters, 40 amplitude limiters, 41 band pass filters, 42 amplifiers, 43 band pass filters, 44 frequency mixers, 45 filters, 46 amplitude limiters, 47 either-or switch, 48 cavity body filters, 49 cavity body filters, 50 either-or switch, 51 amplifiers, 52 low pass filters, 53 frequency mixers, 54 filters, 55 amplitude limiters, 56 low pass filters, 57 amplifiers, 58 amplifiers, 59 low pass filters, 60 low pass filters, 61 either-or switch, 62 amplifiers, 63 amplifiers, 64 8 way switch, 65 6 way switch, 66 band pass filters, 67 8 way switch, 68 6 way switch, 69 either-or switch, 70 filters, 71 signal sending end mouths
Embodiment
The utility model detailed structure, application principle, effect and effect with reference to accompanying drawing 1-3, are illustrated by following execution mode.
Consult shown in Fig. 1-3, broadband transceiver of the present utility model is made of receiver module, local oscillator module and sender module:
Wherein the signal source 1 of receiver module connects the input of amplitude limiter 2, the latter's output is connected in series attenuator 3 in turn, amplifier 4 backs are connected with either-or switch 20, be parallel with preselection filter 5 and preselection filter 6 between the input of the output of either-or switch 20 and either-or switch 7, the output of either-or switch 7 is connected in series amplifier 8, filter 9, frequency mixer 10, amplifier 11, filter 12, frequency mixer 13, amplifier 14, filter 15, switch 16, frequency mixer 17, amplifier 18, switch 19 in turn;
Wherein the crystal oscillator 21 of local oscillator module has three tunnel outputs, and first via output is connected in series the frequency mixer 13 of phase discriminator 1, voltage controlled oscillator 1 and receiver module in turn; The second tunnel output is connected in series the frequency mixer 10 of frequency multiplier 1, Direct Digital Synthesizer 1, phase discriminator 2 26, voltage controlled oscillator 2 27, frequency multiplier 2 29 and receiver module in turn, voltage controlled oscillator 2 27 links to each other with another input of phase discriminator 2 26 after one tunnel output serial connection Direct Digital Synthesizer 2 28 is arranged in addition; Third Road output is connected in series phase discriminator 3 30, voltage controlled oscillator 3 31, frequency divider 32 in turn, and three tunnel outputs of frequency divider are connected with amplitude limiter 40, amplitude limiter 46 and the amplitude limiter 55 of sender module respectively;
The input of the transmission signal source 35 connecting band bandpass filters 36 of sender module wherein, the latter's output is connected in series attenuator 37 in turn, frequency mixer 38, band pass filter 41, amplifier 42, band pass filter 43, frequency mixer 44 and either-or switch 47, be parallel with cavity body filter 48 and cavity body filter 49 between the output of either-or switch 47 and either-or switch 50 inputs, the output of either-or switch 50 is connected in series amplifier 51 in turn, low pass filter 52, frequency mixer 53, low pass filter 56 and either-or switch 61, be parallel with two groups of circuit between the output of either-or switch 61 and either-or switch 69 inputs, the first via is connected in series amplifier 57 in turn by the output of either-or switch 61, low pass filter 59, amplifier 62, eight way switch 64, band pass filter 66, behind eight way switch 67, be connected with either-or switch 69 inputs; The output of secondary route either-or switch 61 is connected with either-or switch 69 inputs after being connected in series amplifier 58, low pass filter 60, amplifier 63, six way switch 65, band pass filter 66, six way switch 68 in turn; Either-or switch 69 outputs serial connection low pass filter 70 backs are connected with signal source transmit port 71.
Receiver module adopts three grades of super-heterodyne architecture, and by the down-conversion of three relevant local oscillators realization receive frequencies, theory diagram as shown in Figure 1.But receiver module receive frequency 20-3000MHz, preselection filter are divided into 12 sections, the first local oscillator 3544-6524MHz, and first intermediate frequency, 3520~3524MHz, bandwidth is greater than 35MHz; Second local oscillator 3200MHz fixing point frequency, second intermediate frequency is 320~324MHz bandwidth 35MHz; The 3rd local oscillator 390~394MHz, the 3rd intermediate frequency 70MHz is divided into 10MHz, and two kinds of bandwidth of 30MHz are selected output.
The local vibration source schematic diagram as shown in Figure 2, the constant-temperature crystal oscillator that three local oscillators all adopt 100MHz has guaranteed the frequency accuracy and the accuracy requirement of local vibration source as a reference; Local oscillator one is to be realized by the phase-locked loop that a HMC440 is a phase discriminator; The 100MHz crystal oscillator through 4 frequencys multiplication after as the reference of AD9910, the 50MHz frequency that AD9910 output is fixed is as the reference of phase discriminator HMC440, the phase-locked loop output frequency is 1772-3262MHz, consider overall phase noise, spuious, device self index, in winding, added AD9858 as frequency divider, output frequency is the 4MHz stepping, and the spuious index of full frequency band is very good like this; Output frequency is 3.544-6.524MHz after frequency 2 frequencys multiplication of locking;
Local oscillator two is some frequencies of 3200MHz, directly uses 100MHz with reference to input, the 50MHz phase demodulation, and ADF4106 is as phase discriminator;
Local oscillator three adopts thin stepping source, the stepping of the 1kHz of realization system, phase discriminator adopts MAX2150, the spuious index of making an uproar mutually is very good, but it requires output frequency more than 700MHz, so our frequency of locking is 1560-1576MHz, through exporting 390-394MHz behind 4 frequency divisions, the frequency source of 1kHz stepping.
But transmitter module tranmitting frequency 20~3000MHz, preselection filter are divided into 12 sections; The first intermediate frequency 320MHz, bandwidth is greater than 35MHz, first local oscillator, 390~394MHz; The second local oscillator 3200MHz and 3700MHz saltus step, second intermediate frequency are 3520MHz and 3720MHz saltus step, bandwidth 40MHz; The 3rd local oscillator 3544-6524MHz, bandwidth is greater than 35MHz.
Broadband transceiver of the present utility model is implemented the design philosophy of systematization, modularization, seriation, is divided into three parts and designs separately, comprises local oscillator, reception, three modules of emission, and detachable use separately realizes the broadband transmission-receiving function by organic assembling.Wherein receive path has realized that operating frequency range reaches 20-3000MHz, has covered a plurality of octaves.Its technical characterstic is big linear dynamic range: 90dB (not adding rf attenuation, i.e. high sensitivity and high IP3), has guaranteed that the fitness of receiver is bigger, antijamming capability is stronger; Have high mirror image suppression characteristic, mirror image that high local oscillator is brought suppresses greater than 90dB.The technical characterstic that the local oscillator module has is: reach 100Hz close scanning stepping, the scanning stepping refers to the interval of each adjacent output frequency, and more little resolution is high more at interval; Phase noise is better than-90dBc/Hz@10KHz, and phase noise has reflected short-term frequency stability.Transmitter module has realized that the 20-3000MHz ultra wide band frequency covers, big gain control range: 63dB (stepping 1dB).This project has been simplified circuit owing to adopt little encapsulation surface mount elements and large scale integrated chip, has improved transmitting-receiving performance and power consumption, has dwindled volume greatly, has alleviated weight.
Therefore broadband transceiver of the present utility model has the plurality of advantages such as extremely wide frequency coverage, great dynamic range, high mirror image rejection characteristic, resolution ratio height, frequency stability height, volume miniaturization.

Claims (1)

1. broadband transceiver, it is characterized in that: by receiver module, local oscillator module and sender module constitute, wherein the signal source of receiver module (1) connects the input of amplitude limiter (2), the latter's output is connected in series attenuator (3) in turn, amplifier (4) back is connected with either-or switch (20), be parallel with preselection filter (5) and preselection filter (6) between the input of the output of either-or switch (20) and either-or switch (7), the output of either-or switch (7) is connected in series amplifier (8) in turn, filter (9), frequency mixer (10), amplifier (11), filter (12), frequency mixer (13), amplifier (14), filter (15), switch (16), frequency mixer (17), amplifier (18), switch (19);
Wherein the crystal oscillator of local oscillator module (21) has three tunnel outputs, and first via output is connected in series the frequency mixer (13) of phase discriminator one (22), voltage controlled oscillator one (23) and receiver module in turn; The second tunnel output is connected in series the frequency mixer (10) of frequency multiplier one (24), Direct Digital Synthesizer one (25), phase discriminator two (26), voltage controlled oscillator two (27), frequency multiplier two (29) and receiver module in turn, voltage controlled oscillator two (27) links to each other with another input of phase discriminator two (26) after one tunnel output serial connection Direct Digital Synthesizer two (28) is arranged in addition; Third Road output is connected in series phase discriminator three (30), voltage controlled oscillator three (31), frequency divider (32) in turn, and three tunnel outputs of frequency divider are connected with amplitude limiter (40), amplitude limiter (46) and the amplitude limiter (55) of sender module respectively;
The input of transmission signal source (35) the connecting band bandpass filter (36) of sender module wherein, the latter's output is connected in series attenuator (37) in turn, frequency mixer (38), band pass filter (41), amplifier (42), band pass filter (43), frequency mixer (44) and either-or switch (47), be parallel with cavity body filter (48) and cavity body filter (49) between the output of either-or switch (47) and either-or switch (50) input, the output of either-or switch (50) is connected in series amplifier (51) in turn, low pass filter (52), frequency mixer (53), low pass filter (56) and either-or switch (61), be parallel with two groups of circuit between the output of either-or switch (61) and either-or switch (69) input, the first via is connected in series amplifier (57) in turn by the output of either-or switch (61), low pass filter (59), amplifier (62), eight way switch (64), band pass filter (66), behind eight way switch (67), be connected with either-or switch (69) input; The output of secondary route either-or switch (61) be connected in series in turn amplifier (58, behind the low pass filter (60), amplifier (63), six way switch (65), band pass filter (66), six way switch (68), be connected with either-or switch (69) input; Either-or switch (69) output serial connection low pass filter (70) back is connected with signal source transmit port (71).
CN2009202433257U 2009-11-19 2009-11-19 Wideband transceiver Expired - Fee Related CN201550107U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102571121A (en) * 2012-02-09 2012-07-11 成都中亚通茂科技有限公司 Short wave broadband receiver
CN102684716A (en) * 2012-05-22 2012-09-19 成都九华圆通科技发展有限公司 30-3000 MHz ultrashort wave receiver
CN102882536A (en) * 2012-08-28 2013-01-16 叶松 Radio frequency receiver of BeiDou radio determination satellite service (RDSS) satellite navigation system
CN103647575A (en) * 2013-12-19 2014-03-19 中国航天科工集团八五一一研究所 2-12GHz broadband microwave front-end circuit and 2-12GHz microwave signal receiving method
CN104428996A (en) * 2012-05-10 2015-03-18 三星电子株式会社 Transceiver using technique for improvement of phase noise and switching of phase lock loop (Pll)
CN104459317A (en) * 2013-09-17 2015-03-25 苏州普源精电科技有限公司 Frequency spectrum analyzer capable of inhibiting mirror image frequency
CN108199738A (en) * 2017-10-25 2018-06-22 西南电子技术研究所(中国电子科技集团公司第十研究所) The design method of superheterodyne reception channel sharing basic module

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102571121A (en) * 2012-02-09 2012-07-11 成都中亚通茂科技有限公司 Short wave broadband receiver
CN104428996A (en) * 2012-05-10 2015-03-18 三星电子株式会社 Transceiver using technique for improvement of phase noise and switching of phase lock loop (Pll)
CN102684716A (en) * 2012-05-22 2012-09-19 成都九华圆通科技发展有限公司 30-3000 MHz ultrashort wave receiver
CN102882536A (en) * 2012-08-28 2013-01-16 叶松 Radio frequency receiver of BeiDou radio determination satellite service (RDSS) satellite navigation system
CN102882536B (en) * 2012-08-28 2014-07-09 叶松 Radio frequency receiver of BeiDou radio determination satellite service (RDSS) satellite navigation system
CN104459317A (en) * 2013-09-17 2015-03-25 苏州普源精电科技有限公司 Frequency spectrum analyzer capable of inhibiting mirror image frequency
CN104459317B (en) * 2013-09-17 2019-09-17 苏州普源精电科技有限公司 A kind of spectrum analyzer that can inhibit image frequency
CN103647575A (en) * 2013-12-19 2014-03-19 中国航天科工集团八五一一研究所 2-12GHz broadband microwave front-end circuit and 2-12GHz microwave signal receiving method
CN103647575B (en) * 2013-12-19 2015-07-22 中国航天科工集团八五一一研究所 2-12GHz broadband microwave front-end circuit and 2-12GHz microwave signal receiving method
CN108199738A (en) * 2017-10-25 2018-06-22 西南电子技术研究所(中国电子科技集团公司第十研究所) The design method of superheterodyne reception channel sharing basic module
CN108199738B (en) * 2017-10-25 2020-07-17 西南电子技术研究所(中国电子科技集团公司第十研究所) Design method of superheterodyne receiving channel shared basic module

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100811

Termination date: 20181119

CF01 Termination of patent right due to non-payment of annual fee