CN108092679A - A kind of pre-selection filtering unit with phase temperature compensation characteristic - Google Patents
A kind of pre-selection filtering unit with phase temperature compensation characteristic Download PDFInfo
- Publication number
- CN108092679A CN108092679A CN201611037797.8A CN201611037797A CN108092679A CN 108092679 A CN108092679 A CN 108092679A CN 201611037797 A CN201611037797 A CN 201611037797A CN 108092679 A CN108092679 A CN 108092679A
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- CN
- China
- Prior art keywords
- phase shifter
- voltage controlled
- operational amplifier
- bandpass filter
- controlled phase
- 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.)
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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
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
- H03H11/1239—Modifications to reduce influence of variations of temperature
-
- 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
- H04B1/0053—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 common antenna for more than one band
- H04B1/0057—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 common antenna for more than one band using diplexing or multiplexing filters for selecting the desired 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
- H04B1/0053—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 common antenna for more than one band
- H04B1/006—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 common antenna for more than one band using switches for selecting the desired band
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Networks Using Active Elements (AREA)
Abstract
The invention discloses a kind of pre-selection filtering unit with phase temperature compensation characteristic, including：Four throw switch A of hilted broadsword（1）, four throw switch B of hilted broadsword（2）, bandpass filter A（3）, bandpass filter B（4）, bandpass filter C（5）With bandpass filter D（6）, it is characterised in that it further includes：Voltage controlled phase shifter A（7）, voltage controlled phase shifter B（8）, voltage controlled phase shifter C（9）, voltage controlled phase shifter D（10）, temperature sensor（11）, operational amplifier A（12）, operational amplifier B（13）, operational amplifier C（14）With operational amplifier D（15）.By using temperature sensor and voltage controlled phase shifter, phase place change of the pre-selection filtering unit under high/low temperature can be adjusted, solves the problems, such as that phase place change uniformity is poor during traditional multichannel broadband receiver temperature change.
Description
Technical field
The present invention relates to a kind of pre-selection filtering units, particularly a kind of pre-selection filtering unit with phase temperature compensation characteristic.
Background technology
In general, in order to ensure uniformity of the multi-channel wide with amplitude between receiver channel and phase, especially for guarantee
The uniformity of amplitude and phase place change during temperature change, each receiving channel select identical component and use identical circuit
Design.But for traditional multichannel broadband receiver, since component and mounting process have discreteness so that temperature
Each channel phases variation uniformity is poor during degree variation, drastically influences the overall performance of radar system.
The content of the invention
It is an object of the invention to provide a kind of pre-selection filtering units with phase temperature compensation characteristic, and it is mostly logical to solve tradition
The problem of phase place change uniformity is poor when road broadband receiver varies with temperature.
A kind of pre-selection filtering unit with phase temperature compensation characteristic, including：Four throw switch A of hilted broadsword, four throw switch B of hilted broadsword,
Bandpass filter A, bandpass filter B, bandpass filter C and bandpass filter D, further include：Voltage controlled phase shifter A, electricity adjust phase shift
Device B, voltage controlled phase shifter C, voltage controlled phase shifter D, temperature sensor, operational amplifier A, operational amplifier B, operational amplifier C and
Operational amplifier D.
For the common port of four throw switch A of hilted broadsword to preselect the input terminal of filtering unit, four of four throw switch A of hilted broadsword switch branch
Input terminal of the road respectively with bandpass filter A, bandpass filter B, bandpass filter C and bandpass filter D is connected, bandpass filtering
Device A, bandpass filter B, bandpass filter C and bandpass filter D output terminal respectively with voltage controlled phase shifter A, voltage controlled phase shifter
B, voltage controlled phase shifter C is connected with the input terminal of voltage controlled phase shifter D, voltage controlled phase shifter A, voltage controlled phase shifter B, voltage controlled phase shifter C and
Four switching branches of the output terminal of voltage controlled phase shifter D respectively with four throw switch B of hilted broadsword are connected, and four throw switch B's of hilted broadsword is public
It holds to preselect the output terminal of filtering unit.The output terminal of temperature sensor simultaneously with operational amplifier A, operational amplifier B, computing
Amplifier C is connected with the input terminal of operational amplifier D, and operational amplifier A, operational amplifier B, operational amplifier C and computing are put
The output terminal of big device D controls respectively with the voltage of voltage controlled phase shifter A, voltage controlled phase shifter B, voltage controlled phase shifter C and voltage controlled phase shifter D
End is connected.
During work, the passband frequency range of bandpass filter A isf L~f M1, the passband frequency range of bandpass filter B isf M1~f M2, band
The passband frequency range of bandpass filter C isf M2~f M3, the passband frequency range of bandpass filter D isf M3~f H,f L~f HFor pre-selection filtering unit
Working frequency range.Radiofrequency signal is by four throw switch A common port input modules of hilted broadsword, four throw switch B roots of four throw switch A of hilted broadsword and hilted broadsword
ON switch branch is selected according to the frequency of radiofrequency signal.Radiofrequency signal is through bandpass filter A, bandpass filter B, bandpass filter
C or bandpass filter D are filtered, then through voltage controlled phase shifter A, voltage controlled phase shifter B, voltage controlled phase shifter C or voltage controlled phase shifter D into
Row phase shift is transmitted to four throw switch B of hilted broadsword afterwards, most the common port output through four throw switch B of hilted broadsword afterwards.Temperature sensor exports
Voltage signal simultaneously input operational amplifier A, operational amplifier B, operational amplifier C and operational amplifier D, through operation amplifier
Device A, operational amplifier B, operational amplifier C and operational amplifier D carry out calculation process respectively, voltage signal difference that treated
For controlling voltage controlled phase shifter A, voltage controlled phase shifter B, voltage controlled phase shifter C and voltage controlled phase shifter D.
The present invention can control pre-selection filtering unit in temperature change by configuring the computing mode of operational amplifier
When phase-shift phase, the phase temperature compensation characteristic of pre-selection filtering unit is realized, when solving traditional multichannel broadband receiver temperature change
The problem of phase place change uniformity is poor.
Description of the drawings
A kind of structure diagrams of the pre-selection filtering unit with phase temperature compensation characteristic of Fig. 1.
1. 4. bandpass filter B of hilted broadsword four throw switch A, 2. hilted broadsword, four throw switch B, 3. bandpass filter A, 5. band logicals are filtered
Ripple device C
6. 9. voltage controlled phase shifter C of bandpass filter D 7. voltage controlled phase shifter A, 8. voltage controlled phase shifter B, 10. voltage controlled phase shifter D
11. 14. operational amplifier C of temperature sensor 12. operational amplifier A, 13. operational amplifier B, 15. operational amplifiers
D。
Specific embodiment
A kind of pre-selection filtering unit with phase temperature compensation characteristic, including：Four throw switch A1 of hilted broadsword, four throw switch of hilted broadsword
B2, bandpass filter A3, bandpass filter B4, bandpass filter C5 and bandpass filter D6, further include：Voltage controlled phase shifter A7,
Voltage controlled phase shifter B8, voltage controlled phase shifter C9, voltage controlled phase shifter D10, temperature sensor 11, operational amplifier A 12, operational amplifier
B13, operational amplifier C14 and operational amplifier D15.
To preselect the input terminal of filtering unit, four of four throw switch A1 of hilted broadsword switch the common port of four throw switch A1 of hilted broadsword
Input terminal of the branch respectively with bandpass filter A3, bandpass filter B4, bandpass filter C5 and bandpass filter D6 is connected, band
Bandpass filter A3, bandpass filter B4, bandpass filter C5 and bandpass filter D6 output terminal respectively with voltage controlled phase shifter A7,
Voltage controlled phase shifter B8, voltage controlled phase shifter C9 are connected with the input terminal of voltage controlled phase shifter D10, voltage controlled phase shifter A7, voltage controlled phase shifter
Four switching branches of the output terminal of B8, voltage controlled phase shifter C9 and voltage controlled phase shifter D10 respectively with four throw switch B2 of hilted broadsword are connected,
The common port of four throw switch B2 of hilted broadsword is the output terminal of pre-selection filtering unit.The output terminal of temperature sensor 11 is put simultaneously with computing
Big device A12, operational amplifier B13, operational amplifier C14 are connected with the input terminal of operational amplifier D15, operational amplifier A 12,
The output terminal of operational amplifier B13, operational amplifier C14 and operational amplifier D15 adjust phase shift with voltage controlled phase shifter A7, electricity respectively
Device B8, voltage controlled phase shifter C9 are connected with the voltage controling end of voltage controlled phase shifter D10.
During work, the passband frequency range of bandpass filter A3 isf L~f M1, the passband frequency range of bandpass filter B4 isf M1~f M2,
The passband frequency range of bandpass filter C5 isf M2~f M3, the passband frequency range of bandpass filter D6 isf M3~f H,f L~f HTo preselect filtering group
The working frequency range of part.Radiofrequency signal is by four throw switch A1 common port input modules of hilted broadsword, four throw switch A1 of hilted broadsword and hilted broadsword four-throw
It switchs B2 and ON switch branch is selected according to the frequency of radiofrequency signal.Radiofrequency signal through bandpass filter A3, bandpass filter B4,
Bandpass filter C5 or bandpass filter D6 are filtered, then through voltage controlled phase shifter A7, voltage controlled phase shifter B8, voltage controlled phase shifter C9
Or voltage controlled phase shifter D10 carries out phase shift, is transmitted to four throw switch B2 of hilted broadsword, the common port most afterwards through four throw switch B2 of hilted broadsword afterwards
Output.The voltage signal while input operational amplifier A12, operational amplifier B13, operational amplifier that temperature sensor 11 exports
C14 and operational amplifier D15, through operational amplifier A 12, operational amplifier B13, operational amplifier C14 and operational amplifier D15
Calculation process is carried out respectively, and treated, and voltage signal is respectively intended to control voltage controlled phase shifter A7, voltage controlled phase shifter B8, electricity tune shifting
Phase device C9 and voltage controlled phase shifter D10.
Claims (1)
1. a kind of pre-selection filtering unit with phase temperature compensation characteristic, including：Four throw switch A of hilted broadsword（1）, four throw switch B of hilted broadsword
（2）, bandpass filter A（3）, bandpass filter B（4）, bandpass filter C（5）With bandpass filter D（6）, it is characterised in that also
Including：Voltage controlled phase shifter A（7）, voltage controlled phase shifter B（8）, voltage controlled phase shifter C（9）, voltage controlled phase shifter D（10）, temperature sensor
（11）, operational amplifier A（12）, operational amplifier B（13）, operational amplifier C（14）With operational amplifier D（15）；
Four throw switch A of hilted broadsword（1）Common port for pre-selection filtering unit input terminal, four throw switch A of hilted broadsword（1）Four switch
Branch respectively with bandpass filter A（3）, bandpass filter B（4）, bandpass filter C（5）With bandpass filter D（6）Input
End is connected, bandpass filter A（3）, bandpass filter B（4）, bandpass filter C（5）With bandpass filter D（6）Output terminal point
Not with voltage controlled phase shifter A（7）, voltage controlled phase shifter B（8）, voltage controlled phase shifter C（9）With voltage controlled phase shifter D（10）Input terminal phase
Even, voltage controlled phase shifter A（7）, voltage controlled phase shifter B（8）, voltage controlled phase shifter C（9）With voltage controlled phase shifter D（10）Output terminal difference
With four throw switch B of hilted broadsword（2）Four switching branches be connected, four throw switch B of hilted broadsword（2）Common port be pre-selection filtering unit
Output terminal；Temperature sensor（11）Output terminal simultaneously and operational amplifier A（12）, operational amplifier B（13）, operational amplifier
C（14）With operational amplifier D（15）Input terminal be connected, operational amplifier A（12）, operational amplifier B（13）, operational amplifier
C（14）With operational amplifier D（15）Output terminal respectively with voltage controlled phase shifter A（7）, voltage controlled phase shifter B（8）, voltage controlled phase shifter C
（9）With voltage controlled phase shifter D（10）Voltage controling end be connected；
During work, bandpass filter A（3）Passband frequency range be fL ~ fM1, bandpass filter B（4）Passband frequency range for fM1 ~
FM2, bandpass filter C（5）Passband frequency range be fM2 ~ fM3, bandpass filter D（6）Passband frequency range be fM3 ~ fH, fL ~ fH
To preselect the working frequency range of filtering unit；Radiofrequency signal is by four throw switch A of hilted broadsword（1）Common port input module, hilted broadsword four-throw are opened
Close A（1）With four throw switch B of hilted broadsword（2）ON switch branch is selected according to the frequency of radiofrequency signal；Radiofrequency signal is through bandpass filtering
Device A（3）, bandpass filter B（4）, bandpass filter C（5）Or bandpass filter D（6）It is filtered, then through voltage controlled phase shifter A
（7）, voltage controlled phase shifter B（8）, voltage controlled phase shifter C（9）Or voltage controlled phase shifter D（10）Phase shift is carried out, is transmitted to hilted broadsword four-throw afterwards
Switch B（2）, most afterwards through four throw switch B of hilted broadsword（2）Common port output；Temperature sensor（11）The voltage signal of output is simultaneously
Input operational amplifier A（12）, operational amplifier B（13）, operational amplifier C（14）With operational amplifier D（15）, put through computing
Big device A（12）, operational amplifier B（13）, operational amplifier C（14）With operational amplifier D（15）Calculation process is carried out respectively, is located
Voltage signal after reason is respectively intended to control voltage controlled phase shifter A（7）, voltage controlled phase shifter B（8）, voltage controlled phase shifter C（9）It is adjusted with electricity
Phase shifter D（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611037797.8A CN108092679A (en) | 2016-11-23 | 2016-11-23 | A kind of pre-selection filtering unit with phase temperature compensation characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611037797.8A CN108092679A (en) | 2016-11-23 | 2016-11-23 | A kind of pre-selection filtering unit with phase temperature compensation characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108092679A true CN108092679A (en) | 2018-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611037797.8A Pending CN108092679A (en) | 2016-11-23 | 2016-11-23 | A kind of pre-selection filtering unit with phase temperature compensation characteristic |
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| Country | Link |
|---|---|
| CN (1) | CN108092679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272036A (en) * | 2020-12-24 | 2021-01-26 | 深圳市鼎阳科技股份有限公司 | Temperature compensation device and method for radio frequency receiver and radio frequency receiver |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04172006A (en) * | 1990-11-05 | 1992-06-19 | Matsushita Electric Ind Co Ltd | Temperature compensating device |
| JP2001196884A (en) * | 2000-01-14 | 2001-07-19 | Mitsubishi Electric Corp | Filter circuit |
| CN205178991U (en) * | 2015-10-28 | 2016-04-20 | 扬州海科电子科技有限公司 | 6 -18GHz down coversion subassembly |
-
2016
- 2016-11-23 CN CN201611037797.8A patent/CN108092679A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04172006A (en) * | 1990-11-05 | 1992-06-19 | Matsushita Electric Ind Co Ltd | Temperature compensating device |
| JP2001196884A (en) * | 2000-01-14 | 2001-07-19 | Mitsubishi Electric Corp | Filter circuit |
| CN205178991U (en) * | 2015-10-28 | 2016-04-20 | 扬州海科电子科技有限公司 | 6 -18GHz down coversion subassembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272036A (en) * | 2020-12-24 | 2021-01-26 | 深圳市鼎阳科技股份有限公司 | Temperature compensation device and method for radio frequency receiver and radio frequency receiver |
| CN112272036B (en) * | 2020-12-24 | 2021-03-23 | 深圳市鼎阳科技股份有限公司 | Temperature compensation device and method for radio frequency receiver and radio frequency receiver |
| CN112737618A (en) * | 2020-12-24 | 2021-04-30 | 深圳市鼎阳科技股份有限公司 | Temperature compensation method for radio frequency receiver |
| CN112737618B (en) * | 2020-12-24 | 2022-04-12 | 深圳市鼎阳科技股份有限公司 | Temperature compensation method for radio frequency receiver |
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Application publication date: 20180529 |
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