CN105262451A - Fast automatic power closed-loop control device and method of wireless power amplifier - Google Patents
Fast automatic power closed-loop control device and method of wireless power amplifier Download PDFInfo
- Publication number
- CN105262451A CN105262451A CN201510711595.6A CN201510711595A CN105262451A CN 105262451 A CN105262451 A CN 105262451A CN 201510711595 A CN201510711595 A CN 201510711595A CN 105262451 A CN105262451 A CN 105262451A
- Authority
- CN
- China
- Prior art keywords
- power
- frequency
- value
- numerical
- power amplifier
- 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
-
- Y02B60/50—
Landscapes
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
The present invention discloses a fast automatic power closed-loop control device and method of a wireless power amplifier. The device comprises a power amplifier unit and an ALC unit. The power amplifier unit comprises a multiple-level power amplifier circuit and a forward power detection circuit. The ALC unit comprises an FPGA chip, an RF signal generator, a frequency hopping communication controller, a first memory, an AD converter and a digitally controlled attenuator. According to the fast automatic power closed-loop control device and method of a wireless power amplifier, a mature digital integrated chip is used, through digital calculation, on one hand, the problem of the insufficient closed-loop precision of a common analog closed-loop control caused by the influence of temperature the device characteristics can be solved, on the other hand, the closed-loop rate can be increased, and the requirement of high-speed frequency-hopping radio communication system rapid power closed loop is satisfied.
Description
Technical field
The present invention relates to the research field of cellular power amplifier, particularly a kind of fast automatic power closed-loop control device of cellular power amplifier and method.
Background technology
The frequency hopping communications of high-power, wide-band is as effective anti-interference, Anti TBIgG communication, and in military, rescue and business telecommunication etc., application is increasingly extensive.The requirement of frequency hopping communications to real-time that be high-power, wide-band is higher, the information of often jumping must complete process within the extremely short time, and the power output closed loop of radio frequency signal is as important function, must power output be made to reach standard-required in the shorter time.Power ALC (Automaticlevelcontrol auto level control), as Wireless Telecom Equipment power Closed loop Control, when various factors affects stable output power, can realize the self-closed loop of system output power, thus firm power.ALC technology can control output level on the one hand and can not work long hours under over-power condition with guaranteed output amplifier, causes equipment dependability to reduce; On the other hand can the power output of control appliance in the scope that design objective requires, while meeting devices communicating required distance, the normal work that strong interference signal affects other equipment can not be produced.Therefore ALC control technology is the important component part of the high-power wireless communication technology.
Current power closed-loop policy mainly adopts simulation ALC mode, and traditional simulation ALC closed-loop system closed-loop speed is low, is mainly applicable to arrowband, low speed, frequency fixing communication equipment, is not well positioned to meet the wide-band of modern communications, frequency hopping high-power system.In addition analog closed-loop system due to analog circuit itself temperature characterisitic restriction and broadband frequency response characteristic restriction, under wide temperature environment and wideband high-power condition of work, the reference level of the same power of different frequency range is actual different, and the reference level of analog closed-loop can only keep a kind of, cause the problems such as closed-loop precision is low, closed loop rate is slow.
Summary of the invention
The object of the invention is to the deficiency overcoming simulation ALC closed loop, utilize ripe digital integration chip, calculated by digitlization, provide one can either promote ALC control precision, power closed-loop control device and the method for High-speed frequency hopping communication demand can be met again.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of fast automatic power closed-loop control device of cellular power amplifier, comprise Power Amplifier Unit and ALC unit, described Power Amplifier Unit, small-signal for being produced by radio-frequency signal generator carries out multistage amplification, the high-power level reaching radio communication is launched, and provides wireless channel between multi-channel filter filtering equipment disturb and provide power detection feedback path, power amplifier calibration power magnitude of voltage to store simultaneously;
Described ALC unit, for obtaining frequency data and temperature data in advance, determine suitable attenuator initial value, when frequency error factor signal arrives, control according to the data of power detection and temperature data the signal amplitude that power amplification unit delivered to by radio-frequency signal generator, thus control the final watt level exported fast;
Described Power Amplifier Unit by detect feedback loop final power stage size and Current Temperatures in the form of a voltage Real-time Feedback to ALC unit, ALC unit leads to AD converter and is converted into digital signal, adjust numerical control attenuation value in real time by comparing with standard value, thus realize controlling the real-time closed-loop of Power Amplifier Unit output signal size.
As preferably, described Power Amplifier Unit comprises multi-stage power amplifier circuit, for arranging the free transmission range of filter according to working frequency points thus the multi-channel filter avoiding the wireless channel of equipment room to disturb and represent the forward power testing circuit that radio-frequency power exports the forward power level of size for obtaining, described multi-stage power amplifier units in series connects, and the multi-stage power amplifier unit after being connected in series is connected with multi-channel filter; Described forward power testing circuit is connected with ALC unit.
As preferably, described forward power testing circuit comprises radio-frequency power coupler, integrator and smoothing filter, and described radio-frequency power coupler, integrator and smoothing filter are linked in sequence.
As preferably, described ALC unit comprises fpga chip, radio-frequency signal generator, frequency hopping communications control, first memory, AD converter and numerical-control attenuator, described fpga chip is controlled with frequency hopping communications by spi bus interface and AD converter is connected, and described fpga chip is connected with numerical-control attenuator and first memory by IIC interface; Described radio-frequency signal generator one end connects fpga chip, and the other end connects numerical-control attenuator.
As preferably, described first memory, for the initial attenuation value G0 of numerical-control attenuator under storing different temperatures grade, under different frequency, as the initial control values write numerical-control attenuator of ALC closed loop;
Described frequency hopping communications controller is frequency-hopping communication system core, and real-time transmission frequency handover information is to fpga chip;
Described numerical-control attenuator, adjusts input signal gain in real time under controlling at ALC algorithm;
Described AD converter, for allowing the power output of FPGA Real-time Obtaining current power amplifying unit.
As preferably, described Power Amplifier Unit also comprises temperature sensor and second memory;
Described temperature sensor is connected with fpga chip by spi bus, for the temperature of real-time monitor power amplifying unit, for ALC controls to provide temperature reference, and realizes the overheat protector of power amplification unit;
Described second memory is connected with fpga chip, for storing the standard forward power level value VE under different frequency, different temperatures, as the normative reference of ALC control algolithm by IIC interface.
Present invention also offers a kind of fast automatic power closed-loop control method of cellular power amplifier, the method comprises the steps:
Frequency hopping communications controller before frequency error factor signal arrives in advance on the frequency information that once communicates deliver to fpga chip, fpga chip analytic frequency information the temperature value of samples temperature sensor, according to present operating frequency and temperature, select the pad value of the correspondence in first memory, write numerical-control attenuator when frequency error factor signal arrives, realize the fast initialization of power gain control;
The RF small signals that radio-frequency signal generator produces are through numerical-control attenuator ingoing power amplifying unit, after bandpass filtering is carried out in multistage amplification and multi-channel filter, transmitting and convert power-level detector at end to by coupling geophone, sending AD to sample through amplifying, after smothing filtering;
FPGA repeatedly obtains sampled data fast and calculates average power level VR, read the normal power level VE stored in second memory simultaneously, compare with VR and VE, the pad value of numerical-control attenuator is adjusted further according to difference, and then sampling, compare power output level and adjust numerical-control attenuator, repeatedly circulate finally make power output and calibration power basically identical, realize the dynamic conditioning to power output.
As preferably, also comprise the steps: the temperature characterisitic of power fluctuation scope according to equipment requirement and power forward testing circuit, obtain VE value also write memory by automated power testing process, the acquisition methods of described VE value is:
Communication controler passes through SPI mouth transmission frequency information to fpga chip, FPGA is to numerical-control attenuator write maximum attenuation value, then control radio-frequency signal generator unit and launch stabilization signal, frequency hopping communications controller reads the performance number of digital power meter, compared with rated power, according to difference by RS232 interface, with the pad value of certain step by step modulating numerical-control attenuator, and then control radio-frequency signal generator transmitting, carry out power ratio comparatively, adjustment pad value.
As preferably, described pad value is with 0.5dB step by step modulating, adjust to after within 0.5dB at power difference, with the least significant bit 0.2dB step by step modulating of numerical-control attenuator, final power stage reaches power rating in numerical-control attenuator accuracy rating, and now fpga chip reads forward power by spi bus and detects level, as the calibration power reference value of this Frequency point, i.e. VE value, in the second memory of Writing power amplifying unit.
As preferably, also comprise the steps: the property at high and low temperature according to power amplification unit, increase by two class initial attenuation value: low temperature pad value G00 and high temperature pad value G01;
The acquisition of G00 value carries out under low temperature environment degree, device is after low temperature environment start, starting power compensation model, frequency hopping communications controller transmission frequency information is to FPGA, FPGA writes numerical-control attenuator according to frequency information normal temperature pad value G0, then stable radiofrequency signal launched by radio-frequency signal generator, FPGA reads forward power by spi bus and detects level, and compare with mark power level VE value, according to the pad value of difference adjustment numerical-control attenuator, after repeatedly adjusting, reach equal in accuracy rating with standard VE value.Pad value now in numerical-control attenuator is low temperature initial attenuation value G00; High temperature initial attenuation value carries out in high temperature environments, obtains flow process identical with the acquisition flow process of low temperature G00 value.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1. the present invention is due to the accurate reference value acquiring technology that have employed and technique for temperature compensation, thus brings power stage and control advantage and effect accurately, and power control error is less than 0.5dB.
2. the present invention is owing to have employed parameter pre-stored technology, the quick pre-read technology of initial parameter and Digitized Closed Loop control technology, the power closed loop deadline is less than 2uS, thus brings fast power output closed-loop, meets advantage and the effect of high-speed frequency-hopping communication demand.
3. the present invention is owing to adopting for no reason at all coupling detection techniques and the rearmounted method of wave detector, thus bring power-level detector more accurately, the better advantage of power emission flatness.
4. the present invention is owing to have employed the technology of the built-in standard reference value memory of power amplification unit, thus brings the modularization of power amplification unit and the advantage of non-coupling property, promotes the maintainability of communication system.
Accompanying drawing explanation
Fig. 1 is the block diagram of apparatus of the present invention;
Fig. 2 is automated power Cleaning Principle figure of the present invention;
Fig. 3 is automated closed-loop control flow chart of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As Fig. 1, shown in Fig. 2, the fast automatic power closed-loop control device of a kind of cellular power amplifier of the present embodiment, comprise Power Amplifier Unit and ALC unit, described Power Amplifier Unit comprises multi-stage power amplifier circuit (selecting two stage power to amplify in the present embodiment), for arranging the free transmission range of filter according to working frequency points thus the multi-channel filter avoiding the wireless channel of equipment room to disturb and represent the forward power level forward power testing circuit that radio-frequency power exports size for obtaining, the simultaneously forward power testing circuit for ALC unit closed loop Demand Design, comprise radio-frequency power coupler, integrator, smoothing filter, obtain through forward power testing circuit and represent the forward power level VR that radio-frequency power exports size.Described multi-stage power amplifier units in series connects, and the multi-stage power amplifier unit after being connected in series is connected with multi-channel filter; Described forward power testing circuit is connected with ALC unit.
Wherein the multi-channel filter of power amplification unit can arrange the free transmission range of filter according to working frequency points, thus avoids the wireless channel of equipment room to disturb, and better meets multiple equipment and works with location simultaneously.Because the insertion loss of the different passage of multi-channel filter itself is different, for ensureing the accuracy that coupling detection detects power output, after coupling geophone must be placed on multi-channel filter.
Also comprise second memory EEPROM2 in described power amplification unit, described second memory EEPROM2 is used for storing different frequency, standard forward power level value VE under different temperatures, as the normative reference of ALC control algolithm.
Also comprise temperature sensor circuit in described power amplification unit, described temperature sensor circuit can the temperature of monitor power amplifying unit in real time, for ALC controls to provide temperature reference, and realizes the overheat protector function of power amplification unit.
Described ALC unit comprises fpga chip, radio-frequency signal generator, frequency hopping communications control, first memory EEPROM1, AD converter and numerical-control attenuator, described fpga chip is controlled with frequency hopping communications by spi bus interface and AD converter is connected, and described fpga chip is connected with numerical-control attenuator and first memory by IIC interface; Described radio-frequency signal generator one end connects fpga chip, and the other end connects numerical-control attenuator.
Described first memory EEPROM1, for the initial attenuation value G0 of numerical-control attenuator under storing different temperatures grade, under different frequency, as the initial control values write numerical-control attenuator of ALC closed loop;
Frequency hopping communications controller is frequency-hopping communication system core, real-time transmission frequency handover information is to FPGA, numerical-control attenuator can in real time adjustment input signal gain under ALC algorithm controls, and described AD transforms chip can allow the power output of FPGA Real-time Obtaining current power amplifying unit.
Described numerical-control attenuator, adjusts input signal gain in real time under controlling at ALC algorithm.
As shown in Figure 3, the fast automatic power closed-loop control method of a kind of cellular power amplifier of the present embodiment, comprises the steps:
S1, frequency hopping communications controller deliver to fpga chip by ISP interface frequency information, fpga chip analytic frequency information the temperature value of samples temperature sensor, according to present operating frequency and temperature, read the pad value of the correspondence in first memory, write numerical-control attenuator, realizes the initialization of power gain control;
The RF small signals that S2, radio-frequency signal generator produce are through numerical-control attenuator ingoing power amplifying unit, after bandpass filtering is carried out in multistage amplification and multi-channel filter, transmitting and convert power-level detector at end to by coupling geophone, sending AD to sample through amplifying, after smothing filtering;
S3, FPGA repeatedly obtain sampled data fast and calculate average power level VR, read the normal power level VE stored in second memory simultaneously, compare with VR and VE, the pad value of numerical-control attenuator is adjusted further according to difference, and then sampling, compare power output level and adjust numerical-control attenuator, repeatedly circulate finally make power output and calibration power basically identical, realize the dynamic conditioning to power output.
VE value is stored in EEPROM2 as the characteristic of power amplification unit, according to the power fluctuation scope of equipment requirement and the temperature characterisitic of power forward testing circuit, obtains VE value and write memory by automated power testing process.In practical application, the size of VE value is main relevant with under operating frequency point, power output size, and equipment actual work temperature can be ignored the impact of VE value, and this is relevant with the insensitivity of power-sensing circuit to temperature.
Communication controler passes through SPI mouth transmission frequency information to FPGA, FPGA is to numerical-control attenuator write maximum attenuation value, then control radio-frequency signal generator unit and launch stabilization signal, frequency hopping communications controller reads the performance number of digital power meter, compared with rated power, according to difference by RS232 interface, with the pad value of certain step by step modulating numerical-control attenuator, and then control radio-frequency signal generator transmitting, carry out power ratio comparatively, adjustment pad value;
For preventing power amplifier from causing power nonlinear distortion because input stimulus stepping is excessive, pad value is with 0.5dB step by step modulating.Adjust to after within 0.5dB at power difference, with the least significant bit 0.2dB step by step modulating of numerical-control attenuator.Final power stage reaches power rating in numerical-control attenuator accuracy rating.Now FPGA reads forward power by spi bus and detects level, as the calibration power reference value of this Frequency point, i.e. VE value, in the memory EEPROM2 of Writing power amplifying unit.The initial attenuation value G0 of pad value under normal temperature of now numerical-control attenuator is write in the EPROM1 of ALC unit simultaneously.
Frequency hopping communications controller is sent to FPGA successively required frequency, and by above flow process, the standard VE value under all frequencies and normal temperature initial attenuation value G0 all write in respective memory.
In the present embodiment, under different temperatures, the acquisition methods of initial attenuation value G0 is as follows:
Standard VE value obtains and stores in memory, and the closed loop of ALC all can realize in the temperature range limited in theory.But consider that the change in gain of power amplification unit under high temperature, low temperature is comparatively large, if start to carry out closed loop adjustment with the initial attenuation value under normal temperature, ALC closed loop time can increase greatly.Therefore according to the property at high and low temperature of power amplification unit, increase by two class initial attenuation value: low temperature pad value G00 and high temperature pad value G01.
The acquisition of G00 value carries out under low temperature environment degree, device is after low temperature environment start, starting power compensation model, frequency hopping communications controller transmission frequency information is to FPGA, FPGA writes numerical-control attenuator according to frequency information normal temperature pad value G0, and then stable radiofrequency signal launched by radio-frequency signal generator, and FPGA reads forward power by spi bus and detects level, and compare with mark power level VE value, according to the pad value of difference adjustment numerical-control attenuator.After repeatedly adjusting, reach equal in accuracy rating with standard VE value.Pad value now in numerical-control attenuator is low temperature initial attenuation value G00; High temperature initial attenuation value carries out in high temperature environments, obtains flow process identical with the acquisition flow process of low temperature G00 value.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. the fast automatic power closed-loop control device of a cellular power amplifier, it is characterized in that, comprise Power Amplifier Unit and ALC unit, described Power Amplifier Unit, small-signal for being produced by radio-frequency signal generator carries out multistage amplification, the high-power level reaching radio communication is launched, and provides wireless channel between multi-channel filter filtering equipment disturb and provide power detection feedback path, power amplifier calibration power magnitude of voltage to store simultaneously;
Described ALC unit, for obtaining frequency data and temperature data in advance, determine suitable attenuator initial value, when frequency error factor signal arrives, control according to the data of power detection and temperature data the signal amplitude that power amplification unit delivered to by radio-frequency signal generator, thus control the final watt level exported fast;
Described Power Amplifier Unit by detect feedback loop final power stage size and Current Temperatures in the form of a voltage Real-time Feedback to ALC unit, ALC unit leads to AD converter and is converted into digital signal, adjust numerical control attenuation value in real time by comparing with standard value, thus realize controlling the real-time closed-loop of Power Amplifier Unit output signal size.
2. the fast automatic power closed-loop control device of cellular power amplifier according to claim 1, it is characterized in that, described Power Amplifier Unit comprises multi-stage power amplifier circuit, for arranging the free transmission range of filter according to working frequency points thus the multi-channel filter avoiding the wireless channel of equipment room to disturb and represent the forward power testing circuit that radio-frequency power exports the forward power level of size for obtaining, described multi-stage power amplifier units in series connects, and the multi-stage power amplifier unit after being connected in series is connected with multi-channel filter; Described forward power testing circuit is connected with ALC unit.
3. the fast automatic power closed-loop control device of cellular power amplifier according to claim 2, it is characterized in that, described forward power testing circuit comprises radio-frequency power coupler, integrator and smoothing filter, and described radio-frequency power coupler, integrator and smoothing filter are linked in sequence.
4. the fast automatic power closed-loop control device of cellular power amplifier according to claim 1, it is characterized in that, described ALC unit comprises fpga chip, radio-frequency signal generator, frequency hopping communications control, first memory, AD converter and numerical-control attenuator, described fpga chip is controlled with frequency hopping communications by spi bus interface and AD converter is connected, and described fpga chip is connected with numerical-control attenuator and first memory by IIC interface; Described radio-frequency signal generator one end connects fpga chip, and the other end connects numerical-control attenuator.
5. the fast automatic power closed-loop control device of cellular power amplifier according to claim 4, it is characterized in that, described first memory, for the initial attenuation value G0 of numerical-control attenuator under storing different temperatures grade, under different frequency, as the initial control values write numerical-control attenuator of ALC closed loop;
Described frequency hopping communications controller is frequency-hopping communication system core, and real-time transmission frequency handover information is to fpga chip;
Described numerical-control attenuator, adjusts input signal gain in real time under controlling at ALC algorithm;
Described AD converter, for allowing the power output of FPGA Real-time Obtaining current power amplifying unit.
6. the fast automatic power closed-loop control device of cellular power amplifier according to claim 4, it is characterized in that, described Power Amplifier Unit also comprises temperature sensor and second memory;
Described temperature sensor is connected with fpga chip by spi bus, for the temperature of real-time monitor power amplifying unit, for ALC controls to provide temperature reference, and realizes the overheat protector of power amplification unit;
Described second memory is connected with fpga chip, for storing the standard forward power level value VE under different frequency, different temperatures, as the normative reference of ALC control algolithm by IIC interface.
7. a fast automatic power closed-loop control method for cellular power amplifier, is characterized in that, comprise the steps:
Frequency hopping communications controller before frequency error factor signal arrives in advance on the frequency information that once communicates deliver to fpga chip, fpga chip analytic frequency information the temperature value of samples temperature sensor, according to present operating frequency and temperature, select the pad value of the correspondence in first memory, write numerical-control attenuator when frequency error factor signal arrives, realize the fast initialization of power gain control;
The RF small signals that radio-frequency signal generator produces are through numerical-control attenuator ingoing power amplifying unit, after bandpass filtering is carried out in multistage amplification and multi-channel filter, transmitting and convert power-level detector at end to by coupling geophone, sending AD to sample through amplifying, after smothing filtering;
FPGA repeatedly obtains sampled data fast and calculates average power level VR, read the normal power level VE stored in second memory simultaneously, compare with VR and VE, the pad value of numerical-control attenuator is adjusted further according to difference, and then sampling, compare power output level and adjust numerical-control attenuator, repeatedly circulate finally make power output and calibration power basically identical, realize the dynamic conditioning to power output.
8. the fast automatic power closed-loop control method of cellular power amplifier according to claim 7, it is characterized in that, also comprise the steps: the temperature characterisitic of power fluctuation scope according to equipment requirement and power forward testing circuit, obtain VE value and write memory by automated power testing process, the acquisition methods of described VE value is:
Communication controler passes through SPI mouth transmission frequency information to fpga chip, FPGA is to numerical-control attenuator write maximum attenuation value, then control radio-frequency signal generator unit and launch stabilization signal, frequency hopping communications controller reads the performance number of digital power meter, compared with rated power, according to difference by RS232 interface, with the pad value of certain step by step modulating numerical-control attenuator, and then control radio-frequency signal generator transmitting, carry out power ratio comparatively, adjustment pad value.
9. the fast automatic power closed-loop control method of cellular power amplifier according to claim 8, it is characterized in that, described pad value is with 0.5dB step by step modulating, adjust to after within 0.5dB at power difference, with the least significant bit 0.2dB step by step modulating of numerical-control attenuator, final power stage reaches power rating in numerical-control attenuator accuracy rating, now fpga chip reads forward power by spi bus and detects level, as the calibration power reference value of this Frequency point, i.e. VE value, in the second memory of Writing power amplifying unit.
10. the fast automatic power closed-loop control method of cellular power amplifier according to claim 7, it is characterized in that, also comprise the steps: the property at high and low temperature according to power amplification unit, increase by two class initial attenuation value: low temperature pad value G00 and high temperature pad value G01;
The acquisition of G00 value carries out under low temperature environment degree, device is after low temperature environment start, starting power compensation model, frequency hopping communications controller transmission frequency information is to FPGA, FPGA writes numerical-control attenuator according to frequency information normal temperature pad value G0, then stable radiofrequency signal launched by radio-frequency signal generator, FPGA reads forward power by spi bus and detects level, and compare with mark power level VE value, according to the pad value of difference adjustment numerical-control attenuator, after repeatedly adjusting, reach equal in accuracy rating with standard VE value; Pad value now in numerical-control attenuator is low temperature initial attenuation value G00; High temperature initial attenuation value carries out in high temperature environments, obtains flow process identical with the acquisition flow process of low temperature G00 value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711595.6A CN105262451A (en) | 2015-10-27 | 2015-10-27 | Fast automatic power closed-loop control device and method of wireless power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711595.6A CN105262451A (en) | 2015-10-27 | 2015-10-27 | Fast automatic power closed-loop control device and method of wireless power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105262451A true CN105262451A (en) | 2016-01-20 |
Family
ID=55101992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510711595.6A Pending CN105262451A (en) | 2015-10-27 | 2015-10-27 | Fast automatic power closed-loop control device and method of wireless power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105262451A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196617A (en) * | 2017-05-27 | 2017-09-22 | 中国电子科技集团公司第四十研究所 | Intelligent power fixed ampllitude loop and fixed ampllitude method based on dynamic self-adapting algorithm |
| CN107370464A (en) * | 2017-07-14 | 2017-11-21 | 重庆微标科技股份有限公司 | RF power amplification power compensating system and method |
| CN107623941A (en) * | 2017-09-29 | 2018-01-23 | 陕西烽火实业有限公司 | The output control device and method in a kind of radio station |
| CN107707208A (en) * | 2017-10-25 | 2018-02-16 | 京信通信系统（中国）有限公司 | The signal power control method and control circuit of communication system equipment |
| CN108809271A (en) * | 2017-05-02 | 2018-11-13 | 北京普源精电科技有限公司 | A kind of alc circuit and radio-frequency signal source |
| CN109283953A (en) * | 2018-09-17 | 2019-01-29 | 京信通信系统（中国）有限公司 | A kind of heating means and device of Remote Radio Unit |
| CN109450400A (en) * | 2018-11-01 | 2019-03-08 | 四川九洲空管科技有限责任公司 | The wideband transmitter excitation source device and pumping signal production method of self adaptive control |
| CN109462382A (en) * | 2018-10-26 | 2019-03-12 | 京信通信系统（中国）有限公司 | Power amplifying system, power investigating method, device and base station equipment |
| CN109726607A (en) * | 2018-12-29 | 2019-05-07 | 武汉万集信息技术有限公司 | Switching method and device, storage medium, the electronic device of communication channel |
| CN109951244A (en) * | 2017-12-21 | 2019-06-28 | 东南大学 | A kind of power measurement and radio frequency reception gain control method applied to channel simulator |
| CN110351630A (en) * | 2019-06-17 | 2019-10-18 | 三维通信股份有限公司 | A kind of power amplifier control system and method based on auto level control |
| CN110768639A (en) * | 2019-11-07 | 2020-02-07 | 南京国睿安泰信科技股份有限公司 | Wide-temperature-range high-precision amplitude control method |
| CN110913470A (en) * | 2019-10-21 | 2020-03-24 | 深圳市华信天线技术有限公司 | Radio data transmission radio station transmitting power loop control method and radio data transmission radio station |
| CN110958679A (en) * | 2018-09-27 | 2020-04-03 | 广东新岸线计算机系统芯片有限公司 | Method and device for obtaining high-precision transmitting power |
| CN112564695A (en) * | 2020-12-10 | 2021-03-26 | 北京北广科技股份有限公司 | Radio frequency power source low-level closed-loop amplitude control system based on temperature compensation |
| CN117240226A (en) * | 2023-09-28 | 2023-12-15 | 扬州万方科技股份有限公司 | High-power amplification system based on closed-loop modulation and digital overshoot prevention method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120784A (en) * | 1994-07-25 | 1996-04-17 | 冲电气工业株式会社 | Output power controlling circuit and antenna common use device of moving communicating device |
| JP2000278063A (en) * | 1999-03-29 | 2000-10-06 | Kokusai Electric Co Ltd | Power amplifier circuit and method for controlling its transmission output |
-
2015
- 2015-10-27 CN CN201510711595.6A patent/CN105262451A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120784A (en) * | 1994-07-25 | 1996-04-17 | 冲电气工业株式会社 | Output power controlling circuit and antenna common use device of moving communicating device |
| JP2000278063A (en) * | 1999-03-29 | 2000-10-06 | Kokusai Electric Co Ltd | Power amplifier circuit and method for controlling its transmission output |
Non-Patent Citations (1)
| Title |
|---|
| 李元帅: "数字ALC技术在高速跳频通信中的应用", 《数字技术与应用》 * |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809271A (en) * | 2017-05-02 | 2018-11-13 | 北京普源精电科技有限公司 | A kind of alc circuit and radio-frequency signal source |
| CN108809271B (en) * | 2017-05-02 | 2023-09-22 | 北京普源精电科技有限公司 | ALC circuit and radio frequency signal source |
| CN107196617A (en) * | 2017-05-27 | 2017-09-22 | 中国电子科技集团公司第四十研究所 | Intelligent power fixed ampllitude loop and fixed ampllitude method based on dynamic self-adapting algorithm |
| CN107196617B (en) * | 2017-05-27 | 2021-03-30 | 中国电子科技集团公司第四十一研究所 | Intelligent power amplitude stabilizing loop based on dynamic self-adaptive algorithm and amplitude stabilizing method |
| CN107370464A (en) * | 2017-07-14 | 2017-11-21 | 重庆微标科技股份有限公司 | RF power amplification power compensating system and method |
| CN107623941A (en) * | 2017-09-29 | 2018-01-23 | 陕西烽火实业有限公司 | The output control device and method in a kind of radio station |
| CN107707208A (en) * | 2017-10-25 | 2018-02-16 | 京信通信系统（中国）有限公司 | The signal power control method and control circuit of communication system equipment |
| CN109951244A (en) * | 2017-12-21 | 2019-06-28 | 东南大学 | A kind of power measurement and radio frequency reception gain control method applied to channel simulator |
| CN109283953A (en) * | 2018-09-17 | 2019-01-29 | 京信通信系统（中国）有限公司 | A kind of heating means and device of Remote Radio Unit |
| CN110958679B (en) * | 2018-09-27 | 2022-07-12 | 广东新岸线科技有限公司 | Method and device for obtaining high-precision transmitting power |
| CN110958679A (en) * | 2018-09-27 | 2020-04-03 | 广东新岸线计算机系统芯片有限公司 | Method and device for obtaining high-precision transmitting power |
| CN109462382A (en) * | 2018-10-26 | 2019-03-12 | 京信通信系统（中国）有限公司 | Power amplifying system, power investigating method, device and base station equipment |
| CN109462382B (en) * | 2018-10-26 | 2022-07-29 | 京信网络系统股份有限公司 | Power amplification system, power measurement and control method, device and base station equipment |
| CN109450400A (en) * | 2018-11-01 | 2019-03-08 | 四川九洲空管科技有限责任公司 | The wideband transmitter excitation source device and pumping signal production method of self adaptive control |
| CN109726607A (en) * | 2018-12-29 | 2019-05-07 | 武汉万集信息技术有限公司 | Switching method and device, storage medium, the electronic device of communication channel |
| CN110351630B (en) * | 2019-06-17 | 2021-03-16 | 三维通信股份有限公司 | Power amplifier control system and method based on automatic level control |
| CN110351630A (en) * | 2019-06-17 | 2019-10-18 | 三维通信股份有限公司 | A kind of power amplifier control system and method based on auto level control |
| CN110913470A (en) * | 2019-10-21 | 2020-03-24 | 深圳市华信天线技术有限公司 | Radio data transmission radio station transmitting power loop control method and radio data transmission radio station |
| CN110913470B (en) * | 2019-10-21 | 2022-10-25 | 深圳市华信天线技术有限公司 | Radio data transmission radio station transmitting power loop control method and radio data transmission radio station |
| CN110768639A (en) * | 2019-11-07 | 2020-02-07 | 南京国睿安泰信科技股份有限公司 | Wide-temperature-range high-precision amplitude control method |
| CN112564695A (en) * | 2020-12-10 | 2021-03-26 | 北京北广科技股份有限公司 | Radio frequency power source low-level closed-loop amplitude control system based on temperature compensation |
| CN112564695B (en) * | 2020-12-10 | 2023-09-19 | 北京北广科技股份有限公司 | Radio frequency power source low-level closed-loop amplitude control system based on temperature compensation |
| CN117240226A (en) * | 2023-09-28 | 2023-12-15 | 扬州万方科技股份有限公司 | High-power amplification system based on closed-loop modulation and digital overshoot prevention method |
| CN117240226B (en) * | 2023-09-28 | 2024-06-04 | 扬州万方科技股份有限公司 | High-power amplification system based on closed-loop modulation and digital overshoot prevention method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105262451A (en) | Fast automatic power closed-loop control device and method of wireless power amplifier | |
| US20110269416A1 (en) | Transmitter | |
| CN203278749U (en) | Low noise amplifier with automatic level control circuit | |
| CN103684306B (en) | Radio frequency feedforward power amplifier and loop self-adaptation control method | |
| CN101977022B (en) | Complementary-multiplicative power compensation method, device and communication equipment | |
| CN106130579A (en) | The automatic controlling method for gain of millimeter-wave transmitter and device | |
| CN106877946B (en) | High-performance channel simulator automatic control receiver and verification device thereof | |
| CN104242835A (en) | FPGA (field programmable gate array)-based ALC (automatic level control) system and method for ultra-short wave radio set | |
| CN113504742B (en) | Double-fed automatic level control system based on FPGA | |
| CN104301978A (en) | Inner-loop power control method and system for terminal | |
| CN110380743A (en) | A kind of high-precision short-wave transmitter power ALC control method | |
| CN112737618A (en) | Temperature compensation method for radio frequency receiver | |
| CN106411435A (en) | Radio-frequency emission device and method for automatically adjusting ACLR (Adjacent Channel Leakage Ratio) | |
| CN116567790B (en) | PUSCH power control TPC adjustment method | |
| CN104682915B (en) | The antenna system of radio microphone | |
| JPH0449298B2 (en) | ||
| CN103002552B (en) | Acquisition methods, automatic power control method and the device of automated power control code table | |
| CN105703823B (en) | A kind of the output level adjustment system and adjusting process of feedback-less light AGC photoreceivers | |
| CN111567003B (en) | Method and device for determining a signal modulation type, and arrangement of an amplifying unit | |
| KR102268173B1 (en) | Apparatus and method of adaptive equalization | |
| CN113541643B (en) | Power control device and method for signal generator and signal generator | |
| CN100469183C (en) | Apparatus for stabilizing transmission power of broadband code division multiple access type mobile communication terminal | |
| CN111122980A (en) | Self-adaptive circuit of earphone interface and application thereof | |
| CN204790442U (en) | A digital ALC circuit for link is amplified to repeater | |
| CN107681988B (en) | Method and system for attenuator phase compensation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160120 |