CN106788573A - A kind of C-band high-power radio-frequency receiving-transmitting equipment - Google Patents
A kind of C-band high-power radio-frequency receiving-transmitting equipment Download PDFInfo
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- CN106788573A CN106788573A CN201710211225.5A CN201710211225A CN106788573A CN 106788573 A CN106788573 A CN 106788573A CN 201710211225 A CN201710211225 A CN 201710211225A CN 106788573 A CN106788573 A CN 106788573A
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- frequency
- power
- power amplifier
- unit
- radiofrequency signal
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- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Transceivers (AREA)
Abstract
The invention discloses a kind of C-band high-power radio-frequency receiving-transmitting equipment, including frequency converter, electrically tunable filter, power amplifier, monitoring unit and power supply.Frequency converter includes upconverter, low-converter, frequency synthesizer, completes intermediate-freuqncy signal to the frequency transformation of radiofrequency signal；Electrically tunable filter includes receiving path filter, hair path filter and corresponding calibrating frequency unit, driver, and the degree of suppression for increasing transceiver channel reduces transmitting-receiving interference；Power amplifier includes driving stage power amplifier, final power amplifier, numerical-control attenuator, power detector, completes power amplification, output power, the power output detection of radiofrequency signal.The present invention effectively inhibits interference in the middle of transceiver channel by increasing electrically tunable filter；The present invention uses modularized design, improves the reliability of equipment, enhances the maintenanceability of equipment；This equipment realizes continuous wave 160W power outputs using power combing mode.
Description
Technical field
A kind of C-band high-power radio-frequency receiving-transmitting equipment in the present invention relates to the communications field, is particularly well-suited to C-band communication
The frequency transformation and power amplification of wireless signal in system.
Background technology
With the development of scatter communication technology, the requirement to the transmission power of C band communication systems is increasing, receives letter
Number level threshold it is more and more lower, integrated level requirement more and more higher.Conventional high power amplifier equipment and transceiver equipment
It is separate, in order to improve the integrated level of system, it is necessary to by two kinds of integration of equipments.Simultaneously for the transmitting-receiving interference compared with skinny device,
Wave filter improves the transmitting-receiving degree of suppression of system between by increasing level.
The content of the invention
The technical problem to be solved in the present invention is to provide the big work(of a kind of C-band of high reliability, high integration, stable performance
Rate transceiver.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of C-band high-power radio-frequency receiving-transmitting equipment, including frequency converter 1, monitoring unit 4, power subsystem 5, electrically regulated filtering
Device unit 2 and Power Amplifier Unit 3, described electrically tunable filter unit 2 include generating passage electrically tunable filter and receive passage electricity
Tunable filter；
Frequency converter 1 is used for the modulated intermediate frequency signal up-conversion that will be input into radiofrequency signal, radiofrequency signal is sent to electricity and is adjusted
The hair passage electrically tunable filter of filter cell 2；It is additionally operable to for filtered reception radiofrequency signal to downconvert to intermediate frequency demodulation letter
Number, and carry out output after gain control system；
Hair passage electrically tunable filter is used to carry out calibrating frequency according to predeterminated frequency；Sent after being additionally operable to filter radiofrequency signal to
Power Amplifier Unit 3；
Power Amplifier Unit 3 is used to be exported after filtered radiofrequency signal is amplified into specified power；
Receiving passage electrically tunable filter is used to carry out calibrating frequency according to predeterminated frequency；It is additionally operable to the reception radiofrequency signal warp that will be input into
Sent to frequency converter 1 after crossing filtering；
Monitoring unit 4 is used to be operated shape to frequency converter 1, electrically tunable filter unit 2 and Power Amplifier Unit 3 respectively
The monitoring and control of state；It is additionally operable to send predeterminated frequency respectively to hair passage electrically tunable filter and receipts passage electrically tunable filter.
Wherein, hair passage electrically tunable filter is identical with passage electrically tunable filter structure is received, including wave filter 201, calibrating frequency
Unit 202, driver 203, the first directional coupler 204-1 and the second directional coupler 204-2；
Calibrating frequency unit 202 is used for the calibrating frequency signal of the predeterminated frequency generation assigned frequency exported according to monitoring unit 4, high-ranking officers
Frequency signal is coupled to wave filter 201 through the first directional coupler 204-1；It is additionally operable to the filtered calibrating frequency received by detection
The amplitude of signal judges the current working frequency of wave filter 201, and the tuning filtering of driver 203 is controlled according to current working frequency
Device 201 exports tuning pass signal to monitoring unit 4 to frequency-selecting frequency；Wave filter 201 is used to be filtered calibrating frequency signal
Calibrating frequency unit 202 is coupled to by the second directional coupler 204-2, is additionally operable to be tuned to frequency-selecting under the control of driver 203
Frequency.
Wherein, described Power Amplifier Unit 3 includes numerical-control attenuator 301, driving stage power amplifier 302, final stage power amplifier
303rd, power detector 304, power supply monitoring unit 305 and power amplifier monitoring unit 306；
Output is extremely driven after numerical-control attenuator 301 is used to carry out filtered radiofrequency signal gain control according to communication requirement
Dynamic level power amplifier 302；
Driving stage power amplifier 302 is used to be amplified the radiofrequency signal after gain control, and the radiofrequency signal after amplification is defeated
Go out to final stage power amplifier 303；
Final stage power amplifier 303 is used to be exported after further amplifying radiofrequency signal to specified power using power synthetic technique；Also
For temperature to be sent to power amplifier monitoring unit 306；
Power detector 304 is used to be sampled power output with reflection power, and monitoring is reported to after analog-to-digital conversion
Unit 4；
Power amplifier monitoring unit 306 is used to receive the query statement of monitoring unit 4, and voltage, electric current are sent according to query statement
Query statement is to power supply monitoring unit 305；It is additionally operable to send temperature query statement to final stage power amplifier 303；It is additionally operable to voltage, electricity
Stream and temperature report to monitoring unit 4；
Power supply monitoring unit 305 is used to be detected according to voltage, electric current query statement the voltage and current of final stage power amplifier 303,
And send to power amplifier monitoring unit 306.
Wherein, described frequency converter 1 uses double conversion technology, and the modulated intermediate frequency signal of input is entered on shape double conversion
It is converted to radiofrequency signal；Filtered reception radiofrequency signal is carried out into double conversion and downconverts to intermediate frequency demodulation signal.
It is using the beneficial effect produced by above-mentioned technical proposal：
1st, present invention employs double conversion technology, double conversion preferably inhibits local-oscillator leakage, upper change in frequency conversion
The Image interference in sideband interference and down coversion in frequency, plays the distal end rejection ability of wave filter, is easier frequency configuration.
2nd, electrically tunable filter technology of the present invention with frequency calibration, by wave filter 201, calibrating frequency unit 202, driver
203rd, two directional couplers 204 are constituted, and realize the automatic calibration that wave filter selects frequency.
3rd, Power Amplifier Unit of the present invention 3 reaches 160W using power synthetic technique power output capacity, while passing through
The numerical control attenuation of small stepping realizes automatic control function of power with high-precision power detection, and realizes power amplifier and receive
Sender it is integrated, there is provided transmitting-receiving degree of suppression high, solve the high-power RF wanted needed for C-band scatter communication system and receive
The demand of hair equipment.
Brief description of the drawings
Fig. 1 is high-power RF transceiver structural representation of the invention；
Fig. 2 is electrically tunable filter structural representation of the invention；
Fig. 3 is Power Amplifier Unit structural representation of the invention.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of C-band high-power radio-frequency receiving-transmitting device structure schematic diagram of the invention, transceiver of the invention,
Including frequency converter 1, electrically tunable filter unit 2, Power Amplifier Unit 3, monitoring unit 4 and power supply 5；Frequency converter 1 includes upper change
Frequency device, low-converter and frequency synthesizer；
Frequency converter 1 is used for the modulated intermediate frequency signal up-conversion that will be input into radiofrequency signal, radiofrequency signal is sent to electricity and is adjusted
The hair passage electrically tunable filter of filter cell 2；It is additionally operable to for filtered reception radiofrequency signal to downconvert to intermediate frequency demodulation letter
Number, and carry out output after gain control system；
Hair passage electrically tunable filter is used to carry out calibrating frequency according to predeterminated frequency；Sent after being additionally operable to filter radiofrequency signal to
Power Amplifier Unit 3；
Power Amplifier Unit 3 is used to be exported after filtered radiofrequency signal is amplified into specified power；
Receiving passage electrically tunable filter is used to carry out calibrating frequency according to predeterminated frequency；It is additionally operable to the reception radiofrequency signal warp that will be input into
Sent to frequency converter 1 after crossing filtering；
Monitoring unit 4 is used to be operated shape to frequency converter 1, electrically tunable filter unit 2 and Power Amplifier Unit 3 respectively
The monitoring and control of state；It is additionally operable to send predeterminated frequency respectively to hair passage electrically tunable filter and receipts passage electrically tunable filter.
As shown in Fig. 2 hair passage electrically tunable filter and receipts passage electrically tunable filter structure it is identical, including wave filter 201,
Calibrating frequency unit 202, driver 203, the first directional coupler 204-1 and the second directional coupler 204-2；
Calibrating frequency unit 202 is used for the calibrating frequency signal of the predeterminated frequency generation assigned frequency exported according to monitoring unit 4, high-ranking officers
Frequency signal is coupled to wave filter 201 through the first directional coupler 204-1；It is additionally operable to the filtered calibrating frequency received by detection
The amplitude of signal judges the current working frequency of wave filter 201, and the tuning filtering of driver 203 is controlled according to current working frequency
Device 201 exports tuning pass signal to monitoring unit 4 to frequency-selecting frequency；Wave filter 201 is used to be filtered calibrating frequency signal
Calibrating frequency unit 202 is coupled to by the second directional coupler 204-2, is additionally operable to be tuned to frequency-selecting under the control of driver 203
Frequency.
As shown in figure 3, described Power Amplifier Unit 3 includes numerical-control attenuator 301, driving stage power amplifier 302, final stage work(
Put 303, power detector 304, power supply monitoring unit 305 and power amplifier monitoring unit 306；
Output is extremely driven after numerical-control attenuator 301 is used to carry out filtered radiofrequency signal gain control according to communication requirement
Dynamic level power amplifier 302；
Driving stage power amplifier 302 is used to be amplified the radiofrequency signal after gain control, and the radiofrequency signal after amplification is defeated
Go out to final stage power amplifier 303；
Final stage power amplifier 303 is used to be exported after further amplifying radiofrequency signal to specified power using power synthetic technique；Also
For temperature to be sent to power amplifier monitoring unit 306；
Power detector 304 is used to be sampled power output with reflection power, and monitoring is reported to after analog-to-digital conversion
Unit 4；
Power amplifier monitoring unit 306 is used to receive the query statement of monitoring unit 4, and voltage, electric current are sent according to query statement
Query statement is to power supply monitoring unit 305；It is additionally operable to send temperature query statement to final stage power amplifier 303；It is additionally operable to voltage, electricity
Stream and temperature report to monitoring unit 4；
Power supply monitoring unit 305 is used to be detected according to voltage, electric current query statement the voltage and current of final stage power amplifier 303,
And send to power amplifier monitoring unit 306.
Brief operation principle of the invention：
Modulated intermediate frequency signal by being converted into radiofrequency signal after 1 two up-conversions of frequency converter, through send out passage electrically tunable filter
Numerical-control attenuator 301 is sent into after filtering, driving stage power amplifier 302 is sent into after control to desired level carries out putting for radiofrequency signal
Greatly, exported after the radiofrequency signal after amplification is further amplified to specified power into final stage power amplifier 303, power detector 304 is complete
The detection of paired output signal and reflected signal.
Radiofrequency signal is received by after the electrically tunable filter filtering of receipts passage, by 1 two down-frequency conversions of frequency converter into
Frequency signal, and after carrying out gain control system, output to demodulator.
Claims (4)
1. a kind of C-band high-power radio-frequency receiving-transmitting equipment, including frequency converter (1), monitoring unit (4) and power subsystem (5)；It is special
Levy and be：Also include electrically tunable filter unit (2) and Power Amplifier Unit (3)；Described electrically tunable filter unit (2) includes
Hair passage electrically tunable filter and receipts passage electrically tunable filter；
Frequency converter (1) to radiofrequency signal, radiofrequency signal is sent to electricity and adjusts filter for the modulated intermediate frequency signal up-conversion that will be input into
The hair passage electrically tunable filter of ripple device unit (2)；It is additionally operable to for filtered reception radiofrequency signal to downconvert to intermediate frequency demodulation letter
Number, and carry out output after gain control system；
Hair passage electrically tunable filter is used to carry out calibrating frequency according to predeterminated frequency；Sent after being additionally operable to filter radiofrequency signal to power
Amplifier unit (3)；
Power Amplifier Unit (3) is exported for filtered radiofrequency signal to be amplified to after specified power；
Receiving passage electrically tunable filter is used to carry out calibrating frequency according to predeterminated frequency；The reception radiofrequency signal that will be input into is additionally operable to through filtering
Sent after ripple to frequency converter (1)；
Monitoring unit (4) to frequency converter (1), electrically tunable filter unit (2) and Power Amplifier Unit (3) for carrying out work respectively
Make the monitoring and control of state；It is additionally operable to send predeterminated frequency respectively to hair passage electrically tunable filter and receipts passage electrically regulated filtering
Device.
2. a kind of C-band high-power radio-frequency receiving-transmitting equipment according to claim 1, it is characterised in that：Generate passage electricity and adjust filter
Ripple device is identical with passage electrically tunable filter structure is received, including wave filter (201), calibrating frequency unit (202), driver (203), the
One directional coupler (204-1) and the second directional coupler (204-2)；
The calibrating frequency signal of predeterminated frequency generation assigned frequency of the calibrating frequency unit (202) for being exported according to monitoring unit (4), high-ranking officers
Frequency signal is coupled to wave filter (201) through the first directional coupler (204-1)；Be additionally operable to by detection receive it is filtered
The amplitude of calibrating frequency signal judges the current working frequency of wave filter (201), and driver (203) is controlled according to current working frequency
Tuning filtering device (201) exports tuning pass signal to monitoring unit (4) to frequency-selecting frequency；Wave filter (201) is for high-ranking officers
Frequency signal is coupled to calibrating frequency unit (202) after being filtered through the second directional coupler (204-2), is additionally operable in driver
(203) frequency-selecting frequency is tuned under control.
3. a kind of C-band high-power radio-frequency receiving-transmitting equipment according to claim 1, it is characterised in that：Described power is put
Big device unit (3) including numerical-control attenuator (301), driving stage power amplifier (302), final stage power amplifier (303), power detector (304),
Power supply monitoring unit (305) and power amplifier monitoring unit (306)；
Numerical-control attenuator (301) to filtered radiofrequency signal according to communication requirement for carrying out after gain control output to driving
Level power amplifier (302)；
Driving stage power amplifier (302) exports the radiofrequency signal after amplification for being amplified to the radiofrequency signal after gain control
To final stage power amplifier (303)；
Final stage power amplifier (303) is exported for using power synthetic technique after further amplifying radiofrequency signal to specified power；Also use
Sent to power amplifier monitoring unit (306) in by temperature；
Power detector (304) reports to monitoring single for being sampled with reflection power to power output after analog-to-digital conversion
First (4)；
Power amplifier monitoring unit (306) sends voltage, electric current for receiving the query statement of monitoring unit (4) according to query statement
Query statement is to power supply monitoring unit (305)；It is additionally operable to send temperature query statement to final stage power amplifier (303)；It is additionally operable to electricity
Pressure, electric current and temperature report to monitoring unit (4)；
Power supply monitoring unit (305) for according to voltage, electric current query statement detection final stage power amplifier (303) voltage and current,
And send to power amplifier monitoring unit (306).
4. a kind of C-band high-power radio-frequency receiving-transmitting equipment according to claim 1, it is characterised in that：Described frequency converter
(1) double conversion technology is used, the modulated intermediate frequency signal of input is entered into shape double conversion up-conversion to radiofrequency signal；After filtering
Reception radiofrequency signal carry out double conversion and downconvert to intermediate frequency demodulation signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211225.5A CN106788573B (en) | 2017-04-01 | 2017-04-01 | A kind of C-band high-power radio-frequency receiving-transmitting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211225.5A CN106788573B (en) | 2017-04-01 | 2017-04-01 | A kind of C-band high-power radio-frequency receiving-transmitting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106788573A true CN106788573A (en) | 2017-05-31 |
| CN106788573B CN106788573B (en) | 2018-12-25 |
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ID=58965734
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710211225.5A Active CN106788573B (en) | 2017-04-01 | 2017-04-01 | A kind of C-band high-power radio-frequency receiving-transmitting equipment |
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| CN107395140A (en) * | 2017-07-28 | 2017-11-24 | 中国电子科技集团公司第五十四研究所 | A kind of C-band high power amplifier |
| CN109327232A (en) * | 2018-12-12 | 2019-02-12 | 中国电子科技集团公司第五十四研究所 | The extremely low fast R-T unit of transform domain iteration |
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| CN106505975A (en) * | 2016-10-17 | 2017-03-15 | 中国电子科技集团公司第五十四研究所 | A kind of automatic calibrating frequency algorithm of electrically tunable filter |
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| US7202734B1 (en) * | 1999-07-06 | 2007-04-10 | Frederick Herbert Raab | Electronically tuned power amplifier |
| US20060128342A1 (en) * | 2002-09-13 | 2006-06-15 | Marholev Bojko F | Transconductance / C complex band-pass filter |
| CN201577089U (en) * | 2010-01-22 | 2010-09-08 | 西安烽火电子科技有限责任公司 | Wide frequency band radio frequency front end module |
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| CN107395140A (en) * | 2017-07-28 | 2017-11-24 | 中国电子科技集团公司第五十四研究所 | A kind of C-band high power amplifier |
| CN109327232A (en) * | 2018-12-12 | 2019-02-12 | 中国电子科技集团公司第五十四研究所 | The extremely low fast R-T unit of transform domain iteration |
| CN109327232B (en) * | 2018-12-12 | 2019-11-05 | 中国电子科技集团公司第五十四研究所 | The extremely low fast R-T unit of transform domain iteration |
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| Publication number | Publication date |
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| CN106788573B (en) | 2018-12-25 |
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