CN206517408U - Multichannel millimeter wave transceiving component - Google Patents
Multichannel millimeter wave transceiving component Download PDFInfo
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- CN206517408U CN206517408U CN201720037495.4U CN201720037495U CN206517408U CN 206517408 U CN206517408 U CN 206517408U CN 201720037495 U CN201720037495 U CN 201720037495U CN 206517408 U CN206517408 U CN 206517408U
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Abstract
The utility model discloses multichannel millimeter wave transceiving component, including integrated signal generator, integrated signal generator connects the high-frequency generator for producing 16GHz ± 10MHz microwave oscillation signals by FM signal area, high-frequency generator is all connected with 0/ π phase converters by 25dB isolator and integrated signal generator by phase-modulated signal area, 0/ π phase converters carry out the signal connection 3dB power splitters of random coded phase modulation, the a port of 3dB power splitters is connected the transmitting antenna for being radiated the external world by power amplifier, another port leakage signal of 3dB power splitters is to signal mixer, signal mixer connects reception antenna, signal mixer puts unit in being connected by wave filter, power amplifier passes through detector diode connecting detection mouthful, it is novel in design, realize and detect in advance, ensure component transmitting-receiving accuracy and accuracy, it is a kind of good innovation scheme, there is very much market promotion prospect.
Description
Technical field
The utility model is related to millimeter wave detection, more particularly to multichannel millimeter wave transceiving component.
Background technology
Millimeter wave (millimeter wave) refers to the electromagnetic wave that wavelength is 1-10 millimeters, and it is located at microwave and far infrared
The wave-length coverage that ripple overlaps mutually, thus the characteristics of have two kinds of wave spectrums concurrently, be mainly reflected in：1) extremely wide bandwidth：It has been generally acknowledged that milli
Metric wave frequency range is 26.5-300GHz, and bandwidth is up to 273.5GHz.More than 10 times of bandwidth whole from direct current to microwave.I.e.
Make consideration Atmospheric Absorption, four primary windows can only be used when propagating in an atmosphere, but the total bandwidth of this four windows is also reachable
135GHz, is 5 times of the following band sum of microwave.This is in undoubtedly very attractive frequency resource nervous today：2)
Wave beam is narrow：The wave beam of millimeter wave is more much narrower than the wave beam of microwave under same antenna size, such as one 12cm antenna,
In 9.4GHz, beam angle is 18 degree, and only 1.8 degree of velocity of wave width during 94GHz, thus can differentiate apart closer to it is small
The details of target or more clearly visible object observing；3) compared with laser, the influence of the propagation climate of millimeter wave is wanted small and obtained
It is many, it is believed that with round-the-clock characteristic；4) compared with microwave, the size of millimeter wave component is much smaller, therefore millimeter wave
System is easier miniaturization.
With the lifting of current domestic millimeter-wave technology ability, its related alignment system is also from superhigh frequency band to millimeter wave
Frequency range develops, and as the core devices of millimeter wave tracing-positioning system transceiver part, high performance transmitting-receiving subassembly performance standard is just
It is particularly important, the technical indicator of particularly its radio frequency part is directly connected to the complete and accurate of system.
Utility model content
It is novel in design the utility model proposes multichannel millimeter wave transceiving component for the deficiencies in the prior art,
Realize and detect in advance, it is ensured that component receives and dispatches accuracy and accuracy, has solved the defect of prior art.
To achieve these goals, the technical solution of the utility model is as follows：
Multichannel millimeter wave transceiving component, including integrated signal generator, integrated signal generator pass through FM signal area
Connection produces the high-frequency generator of 16GHz ± 10MHz microwave oscillation signals, and high-frequency generator passes through 25dB isolator and comprehensive
Close signal generator and 0/ π phase converters are all connected with by phase-modulated signal area, 0/ π phase converters carry out the signal connection of random coded phase modulation
3dB power splitters, a port of 3dB power splitters is connected the transmitting antenna for being radiated the external world, 3dB work(point by power amplifier
Another port leakage signal of device to signal mixer, signal mixer connection reception antenna, signal mixer passes through filtering
Unit is put in device connection, power amplifier passes through detector diode connecting detection mouthful.
Further, the side of described detector diode is provided with coupler.
Further, described integrated signal generator is connected with power-supply controller of electric, power-supply controller of electric D/C power modular converter,
Regulator block, differential converter and driver composition.
Further, described 3dB power splitters are connected with attenuator, and the side of attenuator is provided with the first amplifier, decay
The opposite side of device is provided with the second amplifier.
Further, 0/ described π phase converters use switching line phase converter.
The beneficial effects of the utility model are：Each passage is compensated under full temperature by the temperature compensation attenuator of medium frequency output end
Isolation between change in gain amount and amplitude inconsistency, receiving channel is high, and meets low-power consumption requirement, and transmitter unit is used
Shallow saturation is to reduce non-linear so that it is guaranteed that mutually making an uproar and spuious index, each Transmit-Receive Unit and local oscillator work(point of millimeter wave transceiving unit
Unit is powered using single power supply, and takes decoupling to handle from each other, novel in design, is a kind of innovation side well
Case, there is market promotion prospect very much.
Brief description of the drawings
Describe the utility model in detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the utility model structured flowchart.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1, multichannel millimeter wave transceiving component, including integrated signal generator 140, integrated signal generator 140
The high-frequency generator 100 for producing 16GHz ± 10MHz microwave oscillation signals is connected by FM signal area, high-frequency generator 100 leads to
The isolator 110 and integrated signal generator for crossing 25dB are all connected with the π phase converters of 0/ π phase converters 120,0/ by phase-modulated signal area
The a port of the signal connection 3dB power splitter 130,3dB power splitters 130 of 120 progress random coded phase modulation passes through power amplification
Device 160 is connected the transmitting antenna for being radiated the external world, another port leakage signal of 3dB power splitters 130 to signal mixer
170, the connection reception antenna of signal mixer 170, signal mixer 170 puts unit 190, power in being connected by wave filter 180
Amplifier 160 passes through the connecting detection mouthful of detector diode 150.
In addition, the side of detector diode 150 is provided with coupler.Integrated signal generator 140 is connected with power supply
Device, power-supply controller of electric D/C power modular converter, regulator block, differential converter and driver composition.3dB power splitters 130 are connected
There is attenuator, the side of attenuator is provided with the first amplifier, and the opposite side of attenuator is provided with the second amplifier.0/ π phase modulation
Device 120 uses switching line phase converter.
16 GHz high-frequency generators produce the MHz microwave oscillation signals of 16 GHz ± 10, and signal is sent to tune after Sine Modulated
Phase device, carries out random coded phase modulation.Signal after phase modulation is radiate by power splitter after part amplification by transmitting antenna,
Another part leakage signal is added to signal mixer.After the radiofrequency signal gone out through aerial radiation is irradiated to target, target reflection
Echo-signal received by antenna, echo-signal is sent to signal mixer and leakage signal and is mixed and filters out high-frequency signal, obtains
Vision signal.Earphone can be just sent to after vision signal amplification by Digital Signal Processing directly to monitor target motion feelings
Condition, speed and state.
Dielectric oscillator uses GaAs FET medium feedback oscillators.GaAs FET media feedback-type vibrates
Device can use drain electrode output or source electrode output two ways, in order to obtain power output as big as possible, exported from drain electrode,
The form that source electrode is directly grounded.
The dielectric oscillator pattern generally selected has TE01 δ moulds, TM01 δ moulds and a HE11 δ moulds, but with it is microstrip coupled when one
As select TE01 δ moulds it is and microstrip coupled very convenient because its electromagnetic field is that circle is symmetrical, and oscillation mode is stable, uses
Cylindrical dielectric resonator, the mm of its diameter D=3.423 mm, height h=2.28.Parameter is：The GHz of f=16, ε r=40.Actual electricity
Lu Zhong, is encased inside a low-k, low-loss dieelctric sheet between resonator and microstrip substrate, for reduce microstrip substrate and
Influence of the metal ground plate to resonator q and temperature performance.
0/ π phase converters use switching line phase converter.L1, L2 be the different microstrip transmission line of two length (or other
Any microwave transmission line), D1, D2, D3, D4 is the consistent PIN diode of 4 performances.When both sides diode complementary is biased, two
Pole pipe D1, when D2 is turned on, D3, D4 is in cut-off state, and CF signal is transmitted through L1.Conversely, when D1, D2 cut-off, D3, D4 is in
Conducting state, CF signal is transmitted through L2.It will be apparent that because L1 with L2 length is different, thus cause phase shift to act on.
The beneficial effects of the utility model are：Each passage is compensated under full temperature by the temperature compensation attenuator of medium frequency output end
Isolation between change in gain amount and amplitude inconsistency, receiving channel is high, and meets low-power consumption requirement, and transmitter unit is used
Shallow saturation is to reduce non-linear so that it is guaranteed that mutually making an uproar and spuious index, each Transmit-Receive Unit and local oscillator work(point of millimeter wave transceiving unit
Unit is powered using single power supply, and takes decoupling to handle from each other, novel in design, is a kind of innovation side well
Case, there is market promotion prospect very much.
It should be understood by those skilled in the art that, the utility model is not restricted to the described embodiments, above-described embodiment and
Simply illustrate principle of the present utility model described in specification, on the premise of the utility model spirit and scope are not departed from originally
Utility model also has various changes and modifications, and these changes and improvements are both fallen within the range of claimed the utility model.
The utility model is claimed scope and defined by appended claims and its equivalent.
Claims (5)
1. multichannel millimeter wave transceiving component, including integrated signal generator, it is characterised in that：Integrated signal generator is by adjusting
The connection of frequency signaling zone produces the high-frequency generator of 16GHz ± 10MHz microwave oscillation signals, the isolation that high-frequency generator passes through 25dB
Device and integrated signal generator are all connected with 0/ π phase converters by phase-modulated signal area, and 0/ π phase converters carry out random coded phase modulation
Signal connects 3dB power splitters, and a port of 3dB power splitters is connected the transmitting antenna for being radiated the external world by power amplifier,
Another port leakage signal of 3dB power splitters to signal mixer, signal mixer connection reception antenna, signal mixer leads to
Unit is put in wave filter connection, power amplifier passes through detector diode connecting detection mouthful.
2. multichannel millimeter wave transceiving component according to claim 1, it is characterised in that：The side of described detector diode
It is provided with coupler.
3. multichannel millimeter wave transceiving component according to claim 1, it is characterised in that：Described integrated signal generator connects
It is connected to power-supply controller of electric, power-supply controller of electric D/C power modular converter, regulator block, differential converter and driver composition.
4. multichannel millimeter wave transceiving component according to claim 1, it is characterised in that：Described 3dB power splitters are connected with
Attenuator, the side of attenuator is provided with the first amplifier, and the opposite side of attenuator is provided with the second amplifier.
5. multichannel millimeter wave transceiving component according to claim 1, it is characterised in that：0/ described π phase converters are used and opened
Close line phase converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037495.4U CN206517408U (en) | 2017-01-13 | 2017-01-13 | Multichannel millimeter wave transceiving component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037495.4U CN206517408U (en) | 2017-01-13 | 2017-01-13 | Multichannel millimeter wave transceiving component |
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| CN206517408U true CN206517408U (en) | 2017-09-22 |
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| CN201720037495.4U Active CN206517408U (en) | 2017-01-13 | 2017-01-13 | Multichannel millimeter wave transceiving component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051655A (en) * | 2017-12-06 | 2018-05-18 | 中国电子科技集团公司第四十研究所 | A kind of low standing-wave ratio high sensitivity millimetre-wave detector |
-
2017
- 2017-01-13 CN CN201720037495.4U patent/CN206517408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051655A (en) * | 2017-12-06 | 2018-05-18 | 中国电子科技集团公司第四十研究所 | A kind of low standing-wave ratio high sensitivity millimetre-wave detector |
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