CN201887754U - Millimeter-wave dual-polarization integrated frequency synthesis receiver - Google Patents
Millimeter-wave dual-polarization integrated frequency synthesis receiver Download PDFInfo
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- CN201887754U CN201887754U CN2010206406656U CN201020640665U CN201887754U CN 201887754 U CN201887754 U CN 201887754U CN 2010206406656 U CN2010206406656 U CN 2010206406656U CN 201020640665 U CN201020640665 U CN 201020640665U CN 201887754 U CN201887754 U CN 201887754U
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Abstract
The utility model provides a millimeter-wave dual-polarization integrated frequency synthesis receiver, which comprises a dual-polarization antenna, a dual-channel millimeter-wave frequency mixing device and a local oscillator source device. After RF (radio frequency) signals received by the dual-polarization antenna and signals output by the local oscillator source device are respectively processed in a frequency mixing manner by the dual-channel millimeter-wave frequency mixing device, IF (intermediate frequency) signals are output. The product can be widely applied to various situations needing the millimeter-wave receiver, and the gap in domestic millimeter-wave technology application is filled. The product has the characteristics of small volume, low noise, large dynamic range, high sensitivity, low cost, good performance during a joint test with a whole machine, and the like.
Description
Technical field
This device belongs to electronic information field, is that the integrated frequency of a kind of millimeter wave dual polarization is combined receiver.
Background technology
Millimeter wave is combined receiving system frequently as a kind of millimeter-wave guidance system core device, because millimeter-wave guidance has the advantage of microwave guidance and infrared guidance concurrently, very strong weather adaptive capacity is arranged, also have simultaneously advantages such as sensitivity height, can under various weather conditions, receive the small-signal in the space, guide self to equip and make in good time reaction, therefore be widely used in various guidance systems and the navigation system.As ground monitoring radar, vehicular weapons equipment, satellite fix, airburst fuze, missile guidance etc.At present, the millimeter-wave technology level has become the important symbol of a military level of country.And dominate mainly is the west, and China starts late this technical field, though obtained more outstanding achievement in some aspects, in general, still is in the evolution.For various guidance systems and navigation system provide good application choice, have broad application prospects.In the prior art,, more, requirements at the higher level have been proposed microwave system along with developing by leaps and bounds of core military industrial technologies such as high sensitivity Radar Technology, precise guidance technology and hyundai electronics countermeasure techniques.The subminaturization of microwave system, high sensitivity and great dynamic range become new development trend.
Summary of the invention
In order to reach small, the in light weight letter of volume that this class receiver will have, highly sensitive, requirement such as dynamic range is big and cost is low, the technical solution of the utility model is as follows:
The integrated frequency of a kind of millimeter wave dual polarization is combined receiver, comprises dual polarized antenna, binary channels millimeter wave mixer device and local vibration source device; The RF radiofrequency signal that described binary channels millimeter wave mixer device receives dual polarized antenna respectively with the signal of local vibration source device output through after the Frequency mixing processing, output IF intermediate-freuqncy signal.
Two same channels of described binary channels millimeter wave mixer device comprise: mixer, local oscillator frequency multiplier circuit and amplifier circuit;
Described amplifier circuit amplifies output to local vibration source device output signal;
Output LO local oscillation signal was to mixer after described local oscillator frequency multiplier circuit carried out frequency multiplication to described amplifier circuit output signal;
Described mixer receives described LO local oscillation signal and described RF radiofrequency signal, they are carried out the down-conversion mixing after, output IF intermediate-freuqncy signal.
Described local oscillator frequency multiplier circuit is after producing high order harmonic component with the nonlinear characteristic of beam lead pipe, to go out required harmonic wave is combined receiver as the integrated frequency of millimeter wave dual polarization system's local oscillation signal by the amplification filtering circuit extraction.
Described frequency mixer lower frequency changer circuit is the chip frequency mixer.Described amplifier circuit is the integrated monolithic amplifier.
Described local vibration source device comprises that local oscillator produces circuit, and described local oscillator produces circuit output local oscillation signal and gives the millimeter wave mixer device.Described local oscillator produces circuit and comprises phase locked source circuit and crystal oscillator; The phase locked source circuit is a reference signal with the signal of crystal oscillator output, is locked in required output frequency.
Described phase locked source circuit is classical frequency dividing phase-locked loop road circuit, and this frequency dividing phase-locked loop circuit comprises phase discriminator, loop filter and voltage controlled oscillator VCO; Phase discriminator is a reference signal with the crystal oscillator output frequency, the Frequency point of locking output; VCO is imported in the output of described phase discriminator into behind loop filter, VCO realizes the generation and the change of frequency under the control of the voltage-controlled voltage that phase discriminator produces, and exports required local oscillation signal.
Also be connected with intermediate frequency amplifier chain circuit and numerical control attenuator circuit behind the described mixer in turn; Described intermediate frequency amplifier chain circuit amplifies back output to the IF intermediate-freuqncy signal of millimeter wave mixer device output; But described numerical control attenuator circuit carries out controlling attenuation to the IF intermediate-frequency circuit;
Described intermediate frequency amplifier chain circuit comprises pre-amplifier and final amplifier; Pre-amplifier is the form of two-stage low-noise FET pipe cascade, and final amplifier is then selected one chip amplifier for use;
Before described numerical-control attenuator is located at final amplifier, externally under the effect of control signal, provide decay to intermediate-freuqncy signal.
The technique effect of this device is as follows:
1. the three-dimensional integrated technology of dual polarization
Adopt three-dimensional interconnected design to realize that the dual polarization solid is integrated, signal runs through the receiving system module of two quadratures, and making two separate and isolation of apparatus module increases stability, reduces electromagnetic interference; Can adopt the little packaging technology of multicore sheet, realize that circuit height is integrated; Adopting the simple interface of direct current and four modules of microwave signal mixed transport realization, finally realize the miniaturization of receiver module, actual weight reaches≤result of 200g.
2. low noise is exported highly sensitive reception technique
Frequently combine receiver and require to realize that high sensitivity receives, low noise level output is key index, owing to the dual polarized signals frequency-conversion processing is to connect along two apparatus modules are vertical, various signal (millimeter waves, intermediate frequency, the loop analog signal, the single-chip microcomputer digital signal, power supply) meeting phase mutual interference, by adopting interconnected comprehensive Design and HFSS software emulation, it is (promptly digital to solve mixed-signal designs, the simulation and the radio frequency Mixed Design) in a Distribution Effect and a mutual interference difficult problem mutually, realized system's high-gain, the low noise level output of great dynamic range and intermediate frequency, thus reach the high sensitivity reception.Final actual test result is as follows:
3. anti-superelevation is crossed carrier technology
This is combined receiver frequently and requires by harsh vibratory impulse test, and proof strength reaches more than the 30000g overload.By comprehensive study to structural design, system design, adopt aluminium and copper material combination, the direct screw thread of overall structure screws, the designing technique that chip sintering and the combination of Primary Component encapsulating and low energy-consumption electronic device are effectively used, make receiver not only obtain little weight, low-power consumption, can bear the overload experiment of 30000g simultaneously.
Product can be widely used in the various occasions that need millimeter wave receiver, has filled up the vacancy that domestic millimeter-wave technology is used.The volume that this product had is little, noise is low,, dynamic range is big, highly sensitive, cost is low, with characteristics such as complete machine joint-trial function admirable.
Description of drawings
Fig. 1 is this receiver system theory diagram of embodiment.
Fig. 2 is a passage theory diagram of this receiver binary channels millimeter wave mixer device of embodiment.
Fig. 3 is this receiver frequency multiplier circuit theory diagram of embodiment.
Fig. 4 is this receiver intermediate frequency amplifier chain schematic block circuit diagram of embodiment.
Fig. 5 is this receiver frequency dividing phase-locked loop road schematic block circuit diagram of embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
With reference to figure 1, this routine integrated frequency of millimeter wave dual polarization is combined receiver, comprises binary channels millimeter wave mixer device and local vibration source device; Described binary channels millimeter wave mixer device is after the RF radiofrequency signal that dual polarized antenna receives is output signal process Frequency mixing processing with the local vibration source device respectively, output IF intermediate-freuqncy signal; Described local oscillation signal is given the millimeter wave mixer device.
Two same channels with reference to figure 1,2 described binary channels millimeter wave mixer devices comprise: mixer, local oscillator frequency multiplier circuit and amplifier circuit; Described amplifier circuit amplifies output to local vibration source device output signal; Output LO local oscillation signal was to mixer after described local oscillator frequency multiplier circuit carried out frequency multiplication to described amplifier circuit output signal; Described mixer receives described LO local oscillation signal and described RF radiofrequency signal, they are carried out the down-conversion mixing after, output IF intermediate-freuqncy signal.
After the antenna of this receiver received RF radiofrequency signal in the space, being directly inputted to frequency mixer and local vibration source device was that output signal is carried out the down-conversion mixing.Because device volume is small, therefore adopt low noise Monolithic Mixer, the RF radiofrequency signal is participated in the down-conversion mixing directly.
With reference to figure 1,2,3, the required LO local oscillation signal of frequency mixer is then realized by the frequency multiplication amplifying circuit.The local oscillation signal that described local vibration source produces is input in the mixer device, at first carry out frequency multiplication work, described frequency multiplier adopts the beam lead pipe, utilize its nonlinear characteristic, produce the high order harmonic component of input local oscillation signal, utilize the filter amplification circuit of frequency multiplier back to extract required high order harmonic component as frequency mixer LO local oscillation signal.Described filter amplification circuit median filter adopts the unwanted harmonic wave of microstrip filter structure filtering.Dual-stage amplifier is selected the integrated form one chip amplifier for use.Filter is positioned between dual-stage amplifier, can effectively improve the inter-stage isolation.
By above design, system LO local oscillation signal is finally realized power greater than 10dB, and harmonic wave suppresses greater than 30dB, and standing wave is less than 2 good result.
With reference to figure 1,2,5, described local vibration source device comprises: local oscillator produces circuit, and local oscillator produces circuit and realizes that the output local oscillation signal is to the millimeter wave mixer device.Described local oscillator produces circuit and comprises crystal oscillator and classical frequency dividing phase-locked loop road circuit.Described frequency dividing phase-locked loop circuit comprises phase discriminator, loop filter and voltage controlled oscillator VCO; Phase discriminator is a reference signal with the crystal oscillator output frequency, the Frequency point of locking output; VCO is imported in the output of described phase discriminator into behind loop filter, VCO realizes the generation and the change of frequency under the control of the voltage-controlled voltage that phase discriminator produces, and exports required local oscillation signal.
The reference signal of described crystal oscillator output 20M.Described frequency division is phase-locked to have stable, spuious little, the characteristics such as power consumption is little of lock.Described phase discriminator is a digital-analog hybrid integrated circuit, is reference with the crystal oscillator signal, with frequency lock at required frequency; Loop filter is the RC low pass filter, is used for the elimination phase demodulation and reveals; The integrated monolithic formula VCO that is adopted realizes the generation and the change of frequency under the control of the voltage-controlled voltage that phase discriminator produces.Utilize simulation software that emulation and Product Validation are carried out in the frequency dividing phase-locked loop road, obtain loop bandwidth 100k, 50 ° of phase margins, locking time is less than the good result of 20us.Described VCO selects the integrated monolithic formula VCO of power output greater than 10dB for use.
With reference to figure 1,4, also be connected with intermediate frequency amplifier chain circuit and numerical control attenuator circuit behind the described mixer in turn; The function that the realization of intermediate frequency amplifier chain circuit is amplified the IF intermediate-freuqncy signal of down-conversion mixing output.
Described pre-amplifier adopts the dual-stage amplifier cascade to realize, select low noise FET field-effect transistor for use, utilize ADS to carry out circuit simulation, optimize amplifier interstage matched and working point, choose little electric current, low noise mode of operation has realized the purpose that circuit working state is stable, the input and output standing wave is reasonable, power output satisfies index, bandwidth internal power flatness is high.Described pre-amplifier overall gain is greater than 50dB, and noise factor is less than the result of 1.5dB.Before and after being in, described numerical-control attenuator, position between the amplifier, can provide the adjustable damping scope of 30dB.Described final amplifier is selected the one chip amplifier of high P-1 for use, and the power output P-1 of this amplifier monolithic can reach 18dBm.Adopt classical circuit form, finally obtain gain greater than 20dB, standing wave is less than 2 good result.By above design, realized that intermediate frequency amplifier chain circuit is greater than the great dynamic range of 80dB and less than-90dBm highly sensitive result.
Claims (9)
1. the integrated frequency of millimeter wave dual polarization is combined receiver, it is characterized in that comprising dual polarized antenna, binary channels millimeter wave mixer device and local vibration source device; The RF radiofrequency signal that described binary channels millimeter wave mixer device receives dual polarized antenna respectively with the signal of local vibration source device output through after the Frequency mixing processing, output IF intermediate-freuqncy signal.
2. the integrated frequency of millimeter wave dual polarization according to claim 1 is combined receiver, it is characterized in that two same channels of described binary channels millimeter wave mixer device comprise: mixer, local oscillator frequency multiplier circuit and amplifier circuit;
Described amplifier circuit amplifies output to local vibration source device output signal;
Output LO local oscillation signal was to mixer after described local oscillator frequency multiplier circuit carried out frequency multiplication to described amplifier circuit output signal;
Described mixer receives described LO local oscillation signal and described RF radiofrequency signal, they are carried out the down-conversion mixing after, output IF intermediate-freuqncy signal.
3. the integrated frequency of millimeter wave dual polarization according to claim 2 is combined receiver, it is characterized in that described local oscillator frequency multiplier circuit is after producing high order harmonic component with the nonlinear characteristic of beam lead pipe, to go out required harmonic wave is combined receiver as the integrated frequency of millimeter wave dual polarization system's local oscillation signal by the amplification filtering circuit extraction again.
4. the integrated frequency of millimeter wave dual polarization according to claim 3 is combined receiver, it is characterized in that the filter in the described filter amplification circuit is the microstrip filter structure.
5. the integrated frequency of millimeter wave dual polarization according to claim 4 is combined receiver, it is characterized in that described frequency mixer lower frequency changer circuit is the chip frequency mixer.
6. the integrated frequency of millimeter wave dual polarization according to claim 5 is combined receiver, it is characterized in that described amplifier circuit is the integrated monolithic amplifier.
7. the integrated frequency of millimeter wave dual polarization according to claim 6 is combined receiver, it is characterized in that described local vibration source device comprises that local oscillator produces circuit, and described local oscillator produces circuit output local oscillation signal and gives the millimeter wave mixer device; Described local oscillator produces circuit and comprises phase locked source circuit and crystal oscillator; The phase locked source circuit is a reference signal with the signal of crystal oscillator output, is locked in required output frequency.
8. the integrated frequency of millimeter wave dual polarization according to claim 7 is combined receiver, it is characterized in that described phase locked source circuit is classical frequency dividing phase-locked loop road circuit, and this frequency dividing phase-locked loop circuit comprises phase discriminator, loop filter and voltage controlled oscillator VCO; Phase discriminator is a reference signal with the crystal oscillator output frequency, the Frequency point of locking output; VCO is imported in the output of described phase discriminator into behind loop filter, VCO realizes the generation and the change of frequency under the control of the voltage-controlled voltage that phase discriminator produces, and exports required local oscillation signal.
9. the integrated frequency of millimeter wave dual polarization according to claim 8 is combined receiver, it is characterized in that also being connected with intermediate frequency amplifier chain circuit and numerical control attenuator circuit in turn behind the described mixer; Described intermediate frequency amplifier chain circuit amplifies back output to the IF intermediate-freuqncy signal of millimeter wave mixer device output; But described numerical control attenuator circuit carries out controlling attenuation to the IF intermediate-frequency circuit;
Described intermediate frequency amplifier chain circuit comprises pre-amplifier and final amplifier; Pre-amplifier is the form of two-stage low-noise FET pipe cascade, and final amplifier is then selected one chip amplifier for use;
Before described numerical-control attenuator is located at final amplifier, externally under the effect of control signal, provide decay to intermediate-freuqncy signal.
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| CN2010206406656U CN201887754U (en) | 2010-12-03 | 2010-12-03 | Millimeter-wave dual-polarization integrated frequency synthesis receiver |
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| CN2010206406656U CN201887754U (en) | 2010-12-03 | 2010-12-03 | Millimeter-wave dual-polarization integrated frequency synthesis receiver |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522953A (en) * | 2011-12-15 | 2012-06-27 | 中国科学院微电子研究所 | Active millimeter wave subharmonic monolithic integration mixer circuit based on DHBT (double-diffused Bittery-Bittery) process |
| CN104316760A (en) * | 2014-10-10 | 2015-01-28 | 中国电子科技集团公司第四十一研究所 | Dominant frequency signal decision circuit and decision method for microwave frequency counter |
| CN105897298A (en) * | 2016-06-03 | 2016-08-24 | 北京航空航天大学 | Multi-stage modular wireless transceiver experimental platform |
| CN108199737A (en) * | 2017-12-30 | 2018-06-22 | 中国船舶重工集团公司第七二三研究所 | A kind of Larger Dynamic millimeter wave frequency conversion component |
| CN109799445A (en) * | 2017-11-17 | 2019-05-24 | 核工业西南物理研究院 | Millimere-wave band microwave polarization parameter measuring system |
-
2010
- 2010-12-03 CN CN2010206406656U patent/CN201887754U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522953A (en) * | 2011-12-15 | 2012-06-27 | 中国科学院微电子研究所 | Active millimeter wave subharmonic monolithic integration mixer circuit based on DHBT (double-diffused Bittery-Bittery) process |
| CN102522953B (en) * | 2011-12-15 | 2014-10-22 | 中国科学院微电子研究所 | Active millimeter wave subharmonic monolithic integration mixer circuit based on DHBT (double-diffused Bittery-Bittery) process |
| CN104316760A (en) * | 2014-10-10 | 2015-01-28 | 中国电子科技集团公司第四十一研究所 | Dominant frequency signal decision circuit and decision method for microwave frequency counter |
| CN105897298A (en) * | 2016-06-03 | 2016-08-24 | 北京航空航天大学 | Multi-stage modular wireless transceiver experimental platform |
| CN109799445A (en) * | 2017-11-17 | 2019-05-24 | 核工业西南物理研究院 | Millimere-wave band microwave polarization parameter measuring system |
| CN109799445B (en) * | 2017-11-17 | 2024-03-19 | 核工业西南物理研究院 | Millimeter wave band microwave polarization parameter measurement system |
| CN108199737A (en) * | 2017-12-30 | 2018-06-22 | 中国船舶重工集团公司第七二三研究所 | A kind of Larger Dynamic millimeter wave frequency conversion component |
| CN108199737B (en) * | 2017-12-30 | 2021-02-23 | 中国船舶重工集团公司第七二三研究所 | Large dynamic millimeter wave frequency conversion assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20161203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |