CN106656062A - High-precision automatic power control circuit with temperature compensation - Google Patents
High-precision automatic power control circuit with temperature compensation Download PDFInfo
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- CN106656062A CN106656062A CN201611107822.5A CN201611107822A CN106656062A CN 106656062 A CN106656062 A CN 106656062A CN 201611107822 A CN201611107822 A CN 201611107822A CN 106656062 A CN106656062 A CN 106656062A
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- 238000001514 detection method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a high-precision automatic power control circuit with temperature compensation. An input end of a voltage controlled attenuator is used as the input end of the automatic power control circuit, an output end of the voltage controlled attenuator is connected with the input end of a power amplifier, the output end of the power amplifier is connected with the input end of a coupler, one output end of the coupler is used as the output end of the automatic power control circuit, the other output end of the coupler is connected with the input end of a high-precision root-mean-square detector, the output end of the high-precision root-mean-square detector is connected with one input end of a low noise operational amplifier, the other input end of the low noise operational amplifier is connected with one end of a thermistor, the other end of the thermistor is connected with a reference voltage, and the output end of the low noise operational amplifier is connected with a control end of the voltage controlled attenuator to control the voltage controlled attenuator. The high-precision automatic power control circuit can automatically adjust the output power of the power amplifier and meanwhile automatically compensate the fluctuation of the output power at different temperatures so as to keep the stability of the output power.
Description
Technical field
The present invention relates to a kind of automatic power control circuit, particularly a kind of High Precision Automatic power with temperature-compensating
Control circuit.
Background technology
Radio-frequency power amplifier has very big as a module important in emitter, its output performance to communication quality
Affect, because power cost of power amplifier is larger, work a period of time occurs that temperature is raised, and causes power output to decline, and
Certain fluctuation is produced, systematic function is had a strong impact on.Automated power control technology is to realize radio-frequency power amplifier power output
A kind of effective means of stability, and existing automatic power control circuit adopts Single-Chip Integration device substantially, it is impossible to realize
The power uniformity of ultra broadband, high dynamic, it is not high to the control accuracy of power, fluctuate larger, while receiving itself working environment temperature
The restriction of degree, is difficult at different temperatures stable power output.
The content of the invention
The technical problem to be solved is to provide a kind of electricity of the High Precision Automatic Power Control with temperature-compensating
Road.
To solve above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of High Precision Automatic power control circuit with temperature-compensating, it is characterised in that：Comprising voltage controlled avalanche oscillator, work(
Rate amplifier, coupler, high accuracy RMS rectifier, low noise operational amplifier and thermistor, voltage controlled avalanche oscillator
Used as the input of automatic power control circuit, voltage controlled avalanche oscillator output end and power amplifier input connect input
Connect, power amplifier output is connected with coupler input, an output end of coupler is used as automatic power control circuit
Output end, another output end of coupler is connected with high accuracy RMS rectifier input, high accuracy root mean square detection
Device output end is connected with an input of low noise operational amplifier, another input and the heat of low noise operational amplifier
Quick resistance one end connection, thermistor other end connection reference voltage, low noise operational amplifier output end declines with voltage control
Subtract the connection of device control end to be controlled voltage controlled avalanche oscillator.
Further, the voltage controlled avalanche oscillator adopts HMC346MSC8 VVA chips.
Further, 1 pin of the HMC346MSC8 VVAs chip be circuit input end, HMC346MSC8
The 2 pin ground connection of VVA chip, 3 pin and resistance R1, R2 one end of HMC346MSC8 VVA chips
Connection, resistance R1 other ends ground connection, 4 pin of HMC346MSC8 VVA chips are connected with resistance R3 one end, resistance
R2, R3 other end and electric capacity C2, C3 one end are connected with dc source -5V, electric capacity C2, C3 other end ground connection, and HMC346MSC8 can
6 pin of time variant voltage attenuator chip are control end, and 7 pin of HMC346MSC8 VVA chips are grounded,
8 pin of HMC346MSC8 VVA chips are connected with power amplifier input.
Further, the high accuracy RMS rectifier adopts ADL5502 radio frequency detector devices.
Further, 1 pin of the ADL5502 radio frequency detectors device and electric capacity C11, C12, C5 one end and dc source+5V
Connection, electric capacity C11, C12 other end ground connection, 2 pin of ADL5502 radio frequency detector devices are connected with the electric capacity C5 other ends, and ADL5502 is penetrated
3 pin of frequency wave detector are connected with resistance R4 one end, and one output end of the resistance R4 other ends and coupler is connected, ADL5502 radio frequencies
The 4 pin ground connection of wave detector, 5 pin of ADL5502 radio frequency detector devices are connected with dc source+5V, and the 6 of ADL5502 radio frequency detector devices
Pin is connected with resistance R9 and electric capacity C8 one end, electric capacity C8 other ends ground connection, and the resistance R9 other ends and resistance R10 one end connect conduct
High accuracy RMS rectifier output end, resistance R10 other ends ground connection.
Further, the low noise operational amplifier adopts THS40311D operational amplifiers.
Further, 2 pin of the THS40311D operational amplifiers are connected with resistance R6, R8 one end, the resistance R8 other ends
It is connected with electric capacity C4, resistance R7, thermistor RT1 one end, electric capacity C4, resistance R7 other ends ground connection, thermistor RT1 and direct current
Voltage+5V connects, and 3 pin of THS40311D operational amplifiers are used as low noise operational amplifier input, THS40311D computings
4 pin of amplifier are connected with electric capacity C9, C10 one end and dc source -5V, electric capacity C9, C10 other end ground connection, THS40311D fortune
6 pin for calculating amplifier are connected as low noise operational amplifier output end, THS40311D operational amplifiers with the resistance R6 other ends
7 pin be connected with electric capacity C6, C7 one end and dc source+5V, electric capacity C6, C7 other end ground connection.
Further, it is provided with RC between the low noise operational amplifier output end and voltage controlled avalanche oscillator control end
Wave filter.
Further, the RC wave filters include resistance R5 and electric capacity C1, resistance R5 one end and low noise operational amplifier
Output end connects, and the resistance R5 other ends are connected with electric capacity C1 one end and voltage controlled avalanche oscillator control end, another terminations of electric capacity C1
Ground.
The present invention compared with prior art, with advantages below and effect：Using high accuracy RMS rectifier, under normal temperature
Power detection precision is ± 0.2dB, while carrying out temperature-compensating to the detection voltage of wave detector so as to the detection under high/low temperature
Voltage and can more accurately reflect power amplifier power output value；Using low noise operational amplifier to the detection electricity after temperature-compensating
Pressure is processed, the voltage-controlled attenuator of the output voltage control power amplifier input of low noise operational amplifier, adjusts work(
The gain of rate amplifier, makes power amplifier power output stablize in high low range constant；High Precision Automatic work(with temperature-compensating
Rate control circuit can apply to microwave power amplifier, can accurately detect the power output of power amplifier, automatically adjust
The power output of power amplifier, while there is temperature compensation function, the fluctuation of the power output under compensation different temperatures automatically,
Power output is finally set to keep stable.
Description of the drawings
Fig. 1 is the circuit diagram of the High Precision Automatic power control circuit with temperature-compensating of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and by embodiment the present invention is described in further detail, and following examples are to this
Bright explanation and the invention is not limited in following examples.
As shown in figure 1, a kind of High Precision Automatic power control circuit with temperature-compensating of the present invention, comprising voltage control
Attenuator processed, power amplifier, coupler, high accuracy RMS rectifier, low noise operational amplifier and thermistor, voltage
Attenuator input is controlled as the input of automatic power control circuit, voltage controlled avalanche oscillator output end and power amplifier
Input connects, and power amplifier output is connected with coupler input, and an output end of coupler is used as automated power
The output end of control circuit, another output end of coupler is connected with high accuracy RMS rectifier input, and high accuracy is
Root wave detector output end is connected with an input of low noise operational amplifier, and another of low noise operational amplifier is defeated
Enter end to be connected with thermistor one end, the thermistor other end connects reference voltage, low noise operational amplifier output end and electricity
Voltage-controlled attenuator control end connection processed is controlled to voltage controlled avalanche oscillator.
Voltage controlled avalanche oscillator adopts HMC346MSC8 VVA chips, is sealed using SMT or closed type SMT
Dress, the GHz of DC to 8,14 GHz, 18 GHz or 20 GHz.HMC346 devices are absorption VVA (VVA), are worked
Frequency range is the GHz of DC to 8,14 GHz, 18 GHz or 20 GHz.They are integrated with piece internal reference voltage attenuator, can match somebody with somebody
Close external arithmetic amplifier to use, there is provided the simple voltage attenuation control of the V of 0 V to 3.These devices are especially suitable for analog DC
Control signal must control the design of RF signal levels in 30 dB amplitude ranges.
1 pin of HMC346MSC8 VVA chips is circuit input end, and HMC346MSC8 variable voltages are decayed
The 2 pin ground connection of device chip, 3 pin of HMC346MSC8 VVA chips are connected with resistance R1, R2 one end, and resistance R1 is another
One end is grounded, and 4 pin of HMC346MSC8 VVA chips are connected with resistance R3 one end, resistance R2, R3 other end and
Electric capacity C2, C3 one end is connected with dc source -5V, electric capacity C2, C3 other end ground connection, HMC346MSC8 VVA cores
6 pin of piece are control end, and 7 pin of HMC346MSC8 VVA chips are grounded, the decay of HMC346MSC8 variable voltages
8 pin of device chip are connected with power amplifier input.
High accuracy RMS rectifier adopts ADL5502 radio frequency detector devices.Peak factor rf wave detectors make the battery of mobile phone longevity
It is industry first single-chip, difunctional rf wave detectors, its built-in rms wave detector and an envelope that life improves 20%adl5502
Detector, can carry out the peak factor measurement of sophisticated signal.Accurate power measurement and peak factor are calculated and contribute to mobile phone
The performance optimization of power amplifier, and reduce distorted signals.The peak factor of adl5502 rf wave detectors is up to 11 dbm, precision for ±
0.1 db, than like product 5 times are higher by.Due to its high integration, battery life can extend 20%, and without the need for look-up table and
The correction factor needed for transmitted power level is accurately controlled, mobile-phone manufacturers can be with reduces cost and development cost.
1 pin of ADL5502 radio frequency detector devices is connected with electric capacity C11, C12, C5 one end and dc source+5V, electric capacity C11,
The C12 other ends are grounded, and 2 pin of ADL5502 radio frequency detector devices are connected with the electric capacity C5 other ends, 3 pin of ADL5502 radio frequency detector devices
It is connected with resistance R4 one end, one output end of the resistance R4 other ends and coupler is connected, and 4 pin of ADL5502 radio frequency detector devices connect
Ground, 5 pin of ADL5502 radio frequency detector devices are connected with dc source+5V, 6 pin and resistance R9 and the electricity of ADL5502 radio frequency detector devices
Hold the connection of C8 one end, the electric capacity C8 other ends are grounded, the resistance R9 other ends and the connection of resistance R10 one end are used as the inspection of high accuracy root mean square
Ripple device output end, resistance R10 other ends ground connection.
Low noise operational amplifier adopts THS40311D operational amplifiers.2 pin of THS40311D operational amplifiers and electricity
Resistance R6, R8 one end connection, the resistance R8 other ends are connected with electric capacity C4, resistance R7, thermistor RT1 one end, electric capacity C4, resistance R7
The other end is grounded, and thermistor RT1 is connected with DC voltage+5V, and 3 pin of THS40311D operational amplifiers are transported as low noise
Amplifier in is calculated, 4 pin of THS40311D operational amplifiers are connected with electric capacity C9, C10 one end and dc source -5V, electric capacity
C9, C10 other end is grounded, and 6 pin of THS40311D operational amplifiers are connected as low noise operational amplification with the resistance R6 other ends
Device output end, 7 pin of THS40311D operational amplifiers are connected with electric capacity C6, C7 one end and dc source+5V, and electric capacity C6, C7 are another
One end is grounded.
RC wave filters are provided between low noise operational amplifier output end and voltage controlled avalanche oscillator control end.RC is filtered
Device includes resistance R5 and electric capacity C1, and resistance R5 one end be connected with low noise operational amplifier output end, the resistance R5 other ends and electric
Hold C1 one end and the connection of voltage controlled avalanche oscillator control end, electric capacity C1 other ends ground connection.
The High Precision Automatic power control circuit with temperature-compensating of the present invention adopts high accuracy RMS rectifier, often
The lower power detection precision of temperature is ± 0.2dB, while carrying out temperature-compensating to the detection voltage of wave detector so as under high/low temperature
Detecting circuit and can more accurately reflect power amplifier power output value；Using low noise operational amplifier to the inspection after temperature-compensating
Survey voltage to be processed, the voltage-controlled attenuator of the output voltage control power amplifier input of low noise operational amplifier is adjusted
The gain of whole power amplifier, makes power amplifier power output stablize in high low range constant；High accuracy with temperature-compensating is certainly
Dynamic power control circuit can apply to microwave power amplifier, can accurately detect the power output of power amplifier, automatically
The power output of power amplifier is adjusted, while there is temperature compensation function, the power output under automatic compensation different temperatures
Fluctuation, finally makes power output keep stable.
The present invention the High Precision Automatic power control circuit operation principle with temperature-compensating be：Circuit is in power amplification
Device output end adds coupler, is coupled out suitable power into high accuracy RMS rectifier, the output of RMS rectifier
With input power into logarithm proportionate relationship, its accuracy of detection is ± 0.2dB to voltage, can effectively reflect the defeated of power amplifier
Go out power.The voltage that wave detector is detected enters the positive input terminal of low noise operational amplifier, and the negative input end voltage of amplifier is
The reference voltage for varying with temperature, low noise operational amplifier connects into the form of difference channel, the output electricity of operational amplifier
Pressure equal to detecting circuit with have temperature-compensating reference voltage 30 times of difference, so can it is more efficient it is sensitive control penetrate
Frequency power amplifier output power, the output voltage of operational amplifier controls the electricity of power amplifier input after RC filtering
Voltage-controlled attenuator processed, when microwave power amplifier power output increases, is declined by the voltage-controlled attenuator increasing that makes of backfeed loop
Decrement, so that final output power diminishes；Equally, when microwave power amplifier power output reduces, by backfeed loop
The voltage-controlled attenuator that makes reduce attenuation so that final output power becomes big.By to the well-designed of reference voltage, can
The power output size of power amplifier is effectively controlled, and in the range of high/low temperature enters microwave power amplifier power output
Row compensation so as to which power output is constant.+ 5V, -5V voltage is the voltage-stabilized power supply of low noise in circuit, and is reasonably filtered,
Prevent noise signal from forming the interference to microwave signal into voltage-controlled attenuator.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention
The technical staff in field can be made various modifications to described specific embodiment or supplement or substituted using similar mode, only
Without departing from the content of description of the invention or to surmount scope defined in the claims, the guarantor of the present invention all should be belonged to
Shield scope.
Claims (9)
1. a kind of High Precision Automatic power control circuit with temperature-compensating, it is characterised in that：Comprising voltage controlled avalanche oscillator,
Power amplifier, coupler, high accuracy RMS rectifier, low noise operational amplifier and thermistor, voltage controlled attenuation
Used as the input of automatic power control circuit, voltage controlled avalanche oscillator output end and power amplifier input connect device input
Connect, power amplifier output is connected with coupler input, an output end of coupler is used as automatic power control circuit
Output end, another output end of coupler is connected with high accuracy RMS rectifier input, high accuracy root mean square detection
Device output end is connected with an input of low noise operational amplifier, another input and the heat of low noise operational amplifier
Quick resistance one end connection, thermistor other end connection reference voltage, low noise operational amplifier output end declines with voltage control
Subtract the connection of device control end to be controlled voltage controlled avalanche oscillator.
2. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 1, it is characterised in that：It is described
Voltage controlled avalanche oscillator adopts HMC346MSC8 VVA chips.
3. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 2, it is characterised in that：It is described
1 pin of HMC346MSC8 VVA chips be circuit input end, the 2 of HMC346MSC8 VVA chips
Pin is grounded, and 3 pin of HMC346MSC8 VVA chips are connected with resistance R1, R2 one end, resistance R1 other ends ground connection,
4 pin of HMC346MSC8 VVA chips are connected with resistance R3 one end, resistance R2, R3 other end and electric capacity C2, C3
One end is connected with dc source -5V, electric capacity C2, C3 other end ground connection, and 6 pin of HMC346MSC8 VVA chips are
Control end, the 7 pin ground connection of HMC346MSC8 VVA chips, the 8 of HMC346MSC8 VVA chips
Pin is connected with power amplifier input.
4. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 1, it is characterised in that：It is described
High accuracy RMS rectifier adopts ADL5502 radio frequency detector devices.
5. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 4, it is characterised in that：It is described
1 pin of ADL5502 radio frequency detector devices is connected with electric capacity C11, C12, C5 one end and dc source+5V, electric capacity C11, C12 other end
Ground connection, 2 pin of ADL5502 radio frequency detector devices are connected with the electric capacity C5 other ends, 3 pin and the resistance R4 of ADL5502 radio frequency detector devices
One end connects, and one output end of the resistance R4 other ends and coupler is connected, the 4 pin ground connection of ADL5502 radio frequency detector devices,
5 pin of ADL5502 radio frequency detector devices are connected with dc source+5V, 6 pin and resistance R9 and the electric capacity of ADL5502 radio frequency detector devices
C8 one end connects, electric capacity C8 other ends ground connection, and the resistance R9 other ends and resistance R10 one end connect as high accuracy root mean square detection
Device output end, resistance R10 other ends ground connection.
6. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 1, it is characterised in that：It is described
Low noise operational amplifier adopts THS40311D operational amplifiers.
7. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 6, it is characterised in that：It is described
2 pin of THS40311D operational amplifiers are connected with resistance R6, R8 one end, the resistance R8 other ends and electric capacity C4, resistance R7, temperature-sensitive
Resistance RT1 one end connects, and electric capacity C4, resistance R7 other ends ground connection, thermistor RT1 is connected with DC voltage+5V,
3 pin of THS40311D operational amplifiers as low noise operational amplifier input, 4 pin of THS40311D operational amplifiers with
Electric capacity C9, C10 one end and dc source -5V connect, electric capacity C9, C10 other end ground connection, 6 pin of THS40311D operational amplifiers
It is connected as low noise operational amplifier output end, 7 pin of THS40311D operational amplifiers and electric capacity with the resistance R6 other ends
C6, C7 one end and dc source+5V connect, electric capacity C6, C7 other end ground connection.
8. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 1, it is characterised in that：It is described
RC wave filters are provided between low noise operational amplifier output end and voltage controlled avalanche oscillator control end.
9. according to the High Precision Automatic power control circuit with temperature-compensating described in claim 8, it is characterised in that：It is described
RC wave filters include resistance R5 and electric capacity C1, and resistance R5 one end is connected with low noise operational amplifier output end, and resistance R5 is another
End is connected with electric capacity C1 one end and voltage controlled avalanche oscillator control end, electric capacity C1 other ends ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107822.5A CN106656062A (en) | 2016-12-06 | 2016-12-06 | High-precision automatic power control circuit with temperature compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107822.5A CN106656062A (en) | 2016-12-06 | 2016-12-06 | High-precision automatic power control circuit with temperature compensation |
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| Publication Number | Publication Date |
|---|---|
| CN106656062A true CN106656062A (en) | 2017-05-10 |
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ID=58818679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107822.5A Pending CN106656062A (en) | 2016-12-06 | 2016-12-06 | High-precision automatic power control circuit with temperature compensation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224679A (en) * | 2019-05-27 | 2019-09-10 | 山东航天电子技术研究所 | A kind of automatic gain control circuit with temperature-compensating |
| CN113359934A (en) * | 2021-07-02 | 2021-09-07 | 上海唯捷创芯电子技术有限公司 | Power detection circuit, chip and communication terminal |
| CN116155352A (en) * | 2023-01-14 | 2023-05-23 | 西安空间无线电技术研究所 | Satellite-borne power agility control circuit system and control method |
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| CN102332874A (en) * | 2011-07-21 | 2012-01-25 | 武汉虹信通信技术有限责任公司 | Temperature compensation device for power amplifier and method for controlling power stability |
| CN102802253A (en) * | 2012-07-17 | 2012-11-28 | 武汉虹信通信技术有限责任公司 | Device for controlling power stability of different peak-to-average ratio signals and different timeslot signals |
| CN204177965U (en) * | 2014-10-11 | 2015-02-25 | 河北晶禾电子技术有限公司 | With the Big Dipper emission power amplifier of wide dynamic ALC controlling functions |
| CN205563349U (en) * | 2016-04-21 | 2016-09-07 | 象山杰尔德智能科技有限公司 | Automatic level control loop |
| CN206226380U (en) * | 2016-12-06 | 2017-06-06 | 南京华瓯电子科技有限公司 | High Precision Automatic power control circuit with temperature-compensating |
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| CN102332874A (en) * | 2011-07-21 | 2012-01-25 | 武汉虹信通信技术有限责任公司 | Temperature compensation device for power amplifier and method for controlling power stability |
| CN102802253A (en) * | 2012-07-17 | 2012-11-28 | 武汉虹信通信技术有限责任公司 | Device for controlling power stability of different peak-to-average ratio signals and different timeslot signals |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224679A (en) * | 2019-05-27 | 2019-09-10 | 山东航天电子技术研究所 | A kind of automatic gain control circuit with temperature-compensating |
| CN113359934A (en) * | 2021-07-02 | 2021-09-07 | 上海唯捷创芯电子技术有限公司 | Power detection circuit, chip and communication terminal |
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| CN116155352A (en) * | 2023-01-14 | 2023-05-23 | 西安空间无线电技术研究所 | Satellite-borne power agility control circuit system and control method |
| CN116155352B (en) * | 2023-01-14 | 2024-05-31 | 西安空间无线电技术研究所 | Satellite-borne power agility control circuit system and control method |
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Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |