CN108183720A - A kind of ultra wideband receiver of self-mixing structure - Google Patents
A kind of ultra wideband receiver of self-mixing structure Download PDFInfo
- Publication number
- CN108183720A CN108183720A CN201711391895.6A CN201711391895A CN108183720A CN 108183720 A CN108183720 A CN 108183720A CN 201711391895 A CN201711391895 A CN 201711391895A CN 108183720 A CN108183720 A CN 108183720A
- Authority
- CN
- China
- Prior art keywords
- ultra
- low
- wideband
- signal
- wide band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
- H04B1/0071—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands using a common intermediate frequency for more than one band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
- H04B1/0082—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Abstract
The invention discloses a kind of ultra wideband receivers of self-mixing structure, low-noise amplifier (1) is the initial end of the ultra wideband receiver of self-mixing structure, its input terminal receives radio-frequency input signals, the input terminal of output termination ultra wide band coupler (2).The rf inputs of the straight-through termination ultra-wideband frequency mixer (4) of ultra wide band coupler (2), coupled end connect the input terminal of carrier extract circuit (3).The output terminal of carrier extract circuit (3) is connected with the local oscillator input terminal of ultra-wideband frequency mixer (4).The output terminal of ultra-wideband frequency mixer (4) is connected with the input terminal of low-pass filter (5).End device of the low-pass filter (5) for the present invention, the intermediate-freuqncy signal needed for output terminal output.The present invention is by extracting the carrier wave of incoming wave signal and as local oscillator, enormously simplifying the circuit structure of ultra wideband receiver, reduce number of channels and product cost, and with better passage consistency.
Description
Technical field
The present invention relates to a kind of ultra wideband receiver, particularly a kind of ultra wideband receiver of self-mixing structure.
Background technology
Ultra wideband receiver is passive radar system and the important component of super broad band radio communication system, and having will be wide
The external input radiofrequency signal of band limits carries out the function of frequency conversion, filtering and amplification.Traditional Performance of UWB System Receiver Under needs
To input signal frequency measurement and receiving channel sorting is carried out, will receive signal by multiplexer channel is divided into multiple narrowband
Channel is with the reception of complete pair signals.Each channel of traditional ultra wideband receiver is required for corresponding local oscillation signal defeated
Enter, circuit structure is complicated, and the realization difficulty of interchannel amplitude-phase consistency is big.
Invention content
The purpose of the present invention is to provide a kind of ultra wideband receivers of self-mixing structure, solve traditional ultra-wideband receiver
Machine is complicated, amplitude-phase consistency realizes the problem of difficulty is high.
A kind of ultra wideband receiver of self-mixing structure includes：Low-noise amplifier and low-pass filter, further include：Ultra-wide
Band coupler, carrier extract circuit and ultra-wideband frequency mixer.
Low-noise amplifier is the initial end of the ultra wideband receiver of self-mixing structure, and the input of low-noise amplifier terminates
Receive radio-frequency input signals, the input terminal of the output termination ultra wide band coupler of low-noise amplifier.Ultra wide band coupler is led directly to
The rf inputs of ultra-wideband frequency mixer are terminated, the coupled end of ultra wide band coupler connects the input terminal of carrier extract circuit.Carrier wave
The output terminal of extraction circuit is connected with the local oscillator input terminal of ultra-wideband frequency mixer.The output terminal and low-pass filtering of ultra-wideband frequency mixer
The input terminal of device is connected.Intermediate-freuqncy signal needed for the output terminal output of low-pass filter.
At work, radio-frequency input signals reaches ultra wide band coupler after the amplification of low-noise amplifier.Ultra-wide
The radiofrequency signal of input is coupled as two-way with coupler：Carrier extract circuit is reached all the way to generate required local oscillation signal,
Another way reaches radio-frequency input signals of the ultra-wideband frequency mixer as mixing.Carrier extract circuit is received from ultra wide band coupler
Signal after carry out detection, filtering and lock phase, with the local oscillation signal needed for generating, the frequency of local oscillation signal is believed for radio frequency input
Number carrier frequency, and the local oscillation signal is input to the local oscillator input port of ultra-wideband frequency mixer.Ultra-wideband frequency mixer is penetrated
Frequency input terminal mouth receives the radio-frequency input signals from ultra wide band coupler, which is mixed with local oscillation signal
Frequently, intermediate-freuqncy signal and each harmonic signal are exported.The signal of output is after low-pass filter filters out harmonic signal, needed for reservation
Intermediate-freuqncy signal, so as to complete the reception to input signal.
The present invention is by extracting the carrier wave of incoming wave signal and as local oscillator, enormously simplifying the electricity of ultra wideband receiver
Line structure reduces number of channels and product cost, and with better passage consistency.
Description of the drawings
A kind of ultra wideband receiver schematic diagrams of self-mixing structure of Fig. 1.
1. 4. ultra-wideband frequency mixer of low-noise amplifier 2. ultra wide band coupler, 3. carrier extract circuit, 5. low-pass filter
Specific embodiment
A kind of ultra wideband receiver of self-mixing structure includes：Low-noise amplifier 1 and low-pass filter 5, further include：It is super
Wide-band coupler 2, carrier extract circuit 3 and ultra-wideband frequency mixer 4.
Low-noise amplifier 1 is the initial end of the ultra wideband receiver of self-mixing structure, the input terminal of low-noise amplifier 1
Receive radio-frequency input signals, the input terminal of the output termination ultra wide band coupler 2 of low-noise amplifier 1.Ultra wide band coupler 2
The rf inputs of straight-through termination ultra-wideband frequency mixer 4, the coupled end of ultra wide band coupler 2 connect the input of carrier extract circuit 3
End.The output terminal of carrier extract circuit 3 is connected with the local oscillator input terminal of ultra-wideband frequency mixer 4.The output terminal of ultra-wideband frequency mixer 4
It is connected with the input terminal of low-pass filter 5.Intermediate-freuqncy signal needed for the output terminal output of low-pass filter 5.
At work, radio-frequency input signals reaches ultra wide band coupler 2 after the amplification of low-noise amplifier 1.It is super
The radiofrequency signal of input is coupled as two-way by wide-band coupler 2：Carrier extract circuit 3 is reached all the way to generate required local oscillator to believe
Number, another way reaches radio-frequency input signals of the ultra-wideband frequency mixer 4 as mixing.Carrier extract circuit 3 is received from ultra wide band
Detection, filtering are carried out after the signal of coupler 2 with locking phase, to generate required local oscillation signal, the frequency of local oscillation signal is penetrates
The carrier frequency of frequency input signal, and the local oscillation signal is input to the local oscillator input port of ultra-wideband frequency mixer 4.Ultra wide band mixes
The rf inputs mouth of frequency device 4 receives the radio-frequency input signals from ultra wide band coupler 2, which believes with local oscillator
It number is mixed, exports intermediate-freuqncy signal and each harmonic signal.The signal of output filters out harmonic signal by low-pass filter 5
Afterwards, retain required intermediate-freuqncy signal, so as to complete the reception to input signal.
Claims (3)
1. a kind of ultra wideband receiver of self-mixing structure, including：Low-noise amplifier (1) and low-pass filter (5), feature
It is to further include：Ultra wide band coupler (2), carrier extract circuit (3) and ultra-wideband frequency mixer (4)；
Low-noise amplifier (1) is the initial end of the ultra wideband receiver of self-mixing structure, the input terminal of low-noise amplifier (1)
Receive radio-frequency input signals, the input terminal of the output termination ultra wide band coupler (2) of low-noise amplifier (1)；Ultra wide band couples
The rf inputs of the straight-through termination ultra-wideband frequency mixer (4) of device (2), the coupled end of ultra wide band coupler (2) connect carrier extract
The input terminal of circuit (3)；The output terminal of carrier extract circuit (3) is connected with the local oscillator input terminal of ultra-wideband frequency mixer (4)；Ultra-wide
Output terminal with frequency mixer (4) is connected with the input terminal of low-pass filter (5)；Needed for the output terminal output of low-pass filter (5)
Intermediate-freuqncy signal.
2. the ultra wideband receiver of self-mixing structure according to claim 1, which is characterized in that ultra wideband receiver works
When, radio-frequency input signals reaches ultra wide band coupler (2) after the amplification of low-noise amplifier (1)；Ultra wide band coupler
(2) radiofrequency signal of input is coupled as two-way：Carrier extract circuit (3) is reached all the way to generate required local oscillation signal, separately
Radio-frequency input signals of the ultra-wideband frequency mixer (4) as mixing is reached all the way；Carrier extract circuit (3) is received from ultra wide band coupling
Detection, filtering are carried out after the signal of clutch (2) with locking phase, generates required local oscillation signal, and the local oscillation signal is input to
The local oscillator input port of ultra-wideband frequency mixer (4)；The rf inputs mouth of ultra-wideband frequency mixer (4) is received to be coupled from ultra wide band
The radio-frequency input signals of device (2), the radio-frequency input signals are mixed with local oscillation signal, export intermediate-freuqncy signal and each harmonic letter
Number；The signal of output retains required intermediate-freuqncy signal after low-pass filter (5) filters out harmonic signal, so as to complete to defeated
Enter the reception of signal.
3. the ultra wideband receiver of self-mixing structure according to claim 2, which is characterized in that the frequency of the local oscillation signal
Rate is the carrier frequency of radio-frequency input signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391895.6A CN108183720A (en) | 2017-12-21 | 2017-12-21 | A kind of ultra wideband receiver of self-mixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391895.6A CN108183720A (en) | 2017-12-21 | 2017-12-21 | A kind of ultra wideband receiver of self-mixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108183720A true CN108183720A (en) | 2018-06-19 |
Family
ID=62546828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391895.6A Pending CN108183720A (en) | 2017-12-21 | 2017-12-21 | A kind of ultra wideband receiver of self-mixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183720A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614845A (en) * | 2022-04-02 | 2022-06-10 | 中国科学技术大学 | Wake-up receiver |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538615A (en) * | 2003-04-14 | 2004-10-20 | ������������ʽ���� | FM signal receriver and wireless communication device using the receiver |
| CN1574655A (en) * | 2003-06-19 | 2005-02-02 | 三星电子株式会社 | UWB wireless transmitter and receiver using UWB FM signals and method thereof |
| CN101539624A (en) * | 2008-05-06 | 2009-09-23 | 南京恒电电子有限公司 | Method and device for extracting local oscillation from wideband carrier |
| CN104333737A (en) * | 2014-10-28 | 2015-02-04 | 北京大学软件与微电子学院无锡产学研合作教育基地 | Near-distance 2-5 M bandwidth simulative wireless picture transmission system and signal processing method |
-
2017
- 2017-12-21 CN CN201711391895.6A patent/CN108183720A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538615A (en) * | 2003-04-14 | 2004-10-20 | ������������ʽ���� | FM signal receriver and wireless communication device using the receiver |
| CN1574655A (en) * | 2003-06-19 | 2005-02-02 | 三星电子株式会社 | UWB wireless transmitter and receiver using UWB FM signals and method thereof |
| CN101539624A (en) * | 2008-05-06 | 2009-09-23 | 南京恒电电子有限公司 | Method and device for extracting local oscillation from wideband carrier |
| CN104333737A (en) * | 2014-10-28 | 2015-02-04 | 北京大学软件与微电子学院无锡产学研合作教育基地 | Near-distance 2-5 M bandwidth simulative wireless picture transmission system and signal processing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614845A (en) * | 2022-04-02 | 2022-06-10 | 中国科学技术大学 | Wake-up receiver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102832959B (en) | Radio-frequency front end in high and medium frequency superheterodyne+zero intermediate frequency structure | |
| CN107453775B (en) | A kind of zero intermediate frequency reciver | |
| CN102916719B (en) | Multichannel, multi-mode, multi-functional L-band wireless set | |
| CN107037495B (en) | A kind of ultra wide band bimodulus millimeter wave active-passive composite detector | |
| CN206431285U (en) | A kind of Ku wave bands continuous wave radar radio circuit | |
| CN103986488B (en) | A kind of high-performance LTE channel simulator wideband radio receiver | |
| CN109257063B (en) | Broadband channelization transceiver | |
| CN110190861A (en) | Millimeter wave broadband receiver | |
| CN109802692A (en) | A kind of restructural receiving and transmitting front end of ultra wide band and signal transmit-receive method | |
| CN110011672A (en) | The radio architectures of wide-band communication system | |
| CN108183720A (en) | A kind of ultra wideband receiver of self-mixing structure | |
| CN204272098U (en) | Shortwave frequency conversion channel | |
| CN105577294A (en) | Multifunctional handheld passive intermodulation analyzer | |
| CN203643599U (en) | Secondary radar high- and intermediate-frequency digital receiver | |
| CN208675206U (en) | The radio architectures of wide-band communication system | |
| CN104518818A (en) | Wireless system multiband transceiver | |
| CN105044461B (en) | A kind of broadband RF spectrum analytical structure | |
| CN101539624B (en) | Method and device for extracting local oscillation from wideband carrier | |
| CN107024618B (en) | A kind of wide-band microwave signal based on signal autocorrelation compares phase system | |
| CN202261255U (en) | Multichannel multi-medium frequency array frequency conversion receiving apparatus | |
| CN202218220U (en) | Medium-frequency broadband receiver | |
| CN202334501U (en) | Receiving and processing system used for digital channelized receiver | |
| CN204131508U (en) | A kind of radio ultra short wave communication receiver | |
| CN107786226A (en) | A kind of double frequency Vehicular intercom | |
| CN102545933A (en) | Two-stage frequency conversion broadband receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180619 |
|
| WD01 | Invention patent application deemed withdrawn after publication |