CN107196614A - Have Larger Dynamic output power range and efficient RF power amplification device concurrently - Google Patents
Have Larger Dynamic output power range and efficient RF power amplification device concurrently Download PDFInfo
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- CN107196614A CN107196614A CN201710364485.6A CN201710364485A CN107196614A CN 107196614 A CN107196614 A CN 107196614A CN 201710364485 A CN201710364485 A CN 201710364485A CN 107196614 A CN107196614 A CN 107196614A
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- power amplifier
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- MIQYPPGTNIFAPO-CABCVRRESA-N PS(6:0/6:0) Chemical compound CCCCCC(=O)OC[C@@H](OC(=O)CCCCC)COP(O)(=O)OC[C@H](N)C(O)=O MIQYPPGTNIFAPO-CABCVRRESA-N 0.000 claims abstract description 18
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2176—Class E amplifiers
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- Power Engineering (AREA)
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Abstract
Larger Dynamic output power range and efficient RF power amplification device are had concurrently the present invention relates to one kind, belong to wireless communication RF amplifier manufacturing technology field.It is made up of Power Amplifier Unit array, numerical control bias generator, DCPS digitally controlled power source, switch arrays;It is characterized in:The input of Power Amplifier Unit array is simultaneously connected to numerical control bias generator, and the operating voltage end of Power Amplifier Unit array is each connected with DCPS digitally controlled power source respectively;The phase signal of Power Amplifier Unit array is connected to the input of Power Amplifier Unit array by switch arrays.Reduce the quiescent dissipation of Power Amplifier Unit array to avoid efficiency from being degraded by the value of the bias value and numerical control supply voltage that reduce numerical control bias generator, power output dynamic range is big, efficiency high.Solve it is existing power output dynamic range is improved while introduce quiescent dissipation by numerical control bias generator, reduction efficiency, and the problem of efficiency deterioration degree is deepened during back-off can not be avoided.
Description
Technical field
Larger Dynamic output power range and efficient RF power amplification device are had concurrently the present invention relates to one kind, belong to channel radio
Believe radio frequency multiplying arrangement manufacturing technology field.
Background technology
Numerical control switch power amplifier has the higher efficiency of amplifier more isostructural than A, B class, more preferable process compatible
Property, therefore be used widely in wireless communication technology field.But, existing high-frequency, the amplification of high-power numerical control switch power
Device improves its power output dynamic range generally by numerical control bias generator is introduced, and dynamic is improved although so doing
Scope but quiescent dissipation is have also been introduced simultaneously, reduce high-frequency, the efficiency of high-power numerical control switch power amplifier, and in height
Not introduce numerical control inclined for the degree ratio of its degradation in efficiency when frequency, the power output of high-power numerical control switch power amplifier retract
Put bigger during generator.How to ensure that high-frequency, high-power numerical control switch power amplifier had both had the output of Larger Dynamic scope
Power has high efficiency again, is urgently to be resolved hurrily and very stubborn problem.Therefore, research and development are a has dynamic range concurrently greatly and exports
The radio frequency power amplifying device of efficiency high is necessary.
The content of the invention
It is an object of the present invention to for above-mentioned the deficiencies in the prior art there is provided one kind the guaranteed efficiency in back-off
Do not deteriorate, power output dynamic range is big, efficiency high, and stable and reliable in work has Larger Dynamic output power range and high efficiency concurrently
RF power amplification device.
The present invention is to realize above-mentioned purpose by the following technical solutions:
This have concurrently Larger Dynamic output power range and efficient RF power amplification device by Power Amplifier Unit array PA1~
Pan, numerical control bias generator VB1~VBn, DCPS digitally controlled power source VDD1~VDDn, switch arrays S1~Sn are constituted, it is characterised in that:
The input of Power Amplifier Unit array is connected in parallel to numerical control bias generator;The work electricity of Power Amplifier Unit array
Pressure side is each connected with DCPS digitally controlled power source respectively;The phase signal RFin of Power Amplifier Unit array is connected to by switch arrays
The input of Power Amplifier Unit array;The output end synthesis of Power Amplifier Unit array includes RFin phase signals and width
Spend the output signal RFout of signal.
Described Power Amplifier Unit array is the E power-like amplifiers of commonsource amplifier structure.
Described switch arrays are used to control opening or closing for Power Amplifier Unit array.
Described numerical control bias generator is mutually cooperateed with DCPS digitally controlled power source, reduce numerical control bias generator voltage bias VB 1~
The value of VBn value and voltage VDD1~VDDn of DCPS digitally controlled power source, it is possible to decrease the quiescent dissipation of Power Amplifier Unit array, it is to avoid
Efficiency is degraded, it is ensured that Power Amplifier Unit array both has big power output dynamic range, and in output power range
With high efficiency.
The beneficial effect of the present invention compared with prior art is:
This has Larger Dynamic output power range concurrently and efficient RF power amplification device controls power amplifier by switch arrays
The size of cell array power output;Make digital switch power amplifier that there is larger output work by numerical control bias generator
Rate dynamic range;The quiescent dissipation that numerical control bias generator is produced is offset by DCPS digitally controlled power source, makes Power Amplifier Unit array
Both there is big power output dynamic range, and with higher efficiency in output power range.Relatively low transmission power can be with
Realized by the number for reducing Power Amplifier Unit, but cause efficiency to be degraded, at this point it is possible to by reducing numerical control bias
The bias value of generator and the value of numerical control supply voltage reduce the quiescent dissipation of Power Amplifier Unit array to avoid efficiency quilt
Deteriorate.Solve it is existing by numerical control bias generator improve numerical control switch power amplifier dynamic range, introduce quiescent dissipation,
The efficiency of numerical control switch power amplifier is reduced, and the deterioration degree of the efficiency in back-off can not be avoided to deepen or even worse
The problem of.
Brief description of the drawings
Fig. 1 has Larger Dynamic output power range concurrently and the operation principle square frame of efficient RF power amplification device shows to be a kind of
It is intended to;
Fig. 2 is the structural representation of E power-like amplifier cell arrays;
Fig. 3 is the circuit structure block diagram of numerical control bias generator;
Fig. 4 is the circuit structure block diagram of DCPS digitally controlled power source voltage;
Fig. 5 is the circuit structure block diagram of switch arrays.
In figure:1st, Power Amplifier Unit array, 2, numerical control bias generator, 3, DCPS digitally controlled power source voltage, 4, switch arrays.
Embodiment
Have the embodiment party of Larger Dynamic output power range and efficient RF power amplification device concurrently to this below in conjunction with the accompanying drawings
Formula is described in further detail:
This have concurrently Larger Dynamic output power range and efficient RF power amplification device by Power Amplifier Unit array 1PA1~
Pan, numerical control bias generator 2VB1~VBn, DCPS digitally controlled power source voltage 3VDD1~VDDn, switch arrays 4S1~Sn are constituted, power
The input of amplifier unit array 1 is connected in parallel to numerical control bias generator 2, the work electricity of Power Amplifier Unit array 1
Pressure side is each connected with DCPS digitally controlled power source 3 respectively;The phase signal RFin of Power Amplifier Unit array 1 is connected by switch arrays 4
It is connected to the input of Power Amplifier Unit array 1;The output end synthesis of Power Amplifier Unit array 1 includes RFin phases letter
Number and range signal output signal RFout.
Described Power Amplifier Unit array 1 is the E power-like amplifiers of commonsource amplifier structure.
Described switch arrays 4 open or close for control Power Amplifier Unit array 1.
Described numerical control bias generator 2 is mutually cooperateed with DCPS digitally controlled power source 3, reduces the voltage bias VB 1 of numerical control bias generator 2
~VBn values, and reduce voltage VDD1~VDDn values of DCPS digitally controlled power source 3 so that Power Amplifier Unit array 1 has big output work
Rate dynamic range, reduces the quiescent dissipation of Power Amplifier Unit array 1, it is ensured that Power Amplifier Unit array 1 is with big
Efficiency does not deteriorate while power output dynamic range, i.e., have high efficiency in big output power range.
(Referring to Fig. 1~5)
For the power consumption and connectedness of balanced low-power consumption Wide Area Network, high-frequency, Larger Dynamic power amplifier will not only have larger
Power output dynamic range, in addition it is also necessary to higher efficiency is presented in whole output power range.In high-frequency, Larger Dynamic work(
In rate amplifier, efficiency is degraded during back-off, and power output dynamic range it is bigger when the degree that deteriorates it is bigger.Therefore,
Realize simultaneously the power amplifier of high efficiency and Larger Dynamic scope turn into build high-performance, one of low-power consumption wide area network increasingly
Prominent problem.Digital switch power amplifier has higher efficiency compared with A classes, the isostructural amplifier of B classes, together
When, numerically controlled switch power amplifier has more preferable processing compatibility.Therefore, digital switch power amplifier is design
A kind of Ideal of high efficiency Larger Dynamic range power amplifier.
This has Larger Dynamic output power range concurrently and the operation principle of efficient RF power amplification device is as follows:
(Referring to Fig. 1)RFin is the phase input signal of Power Amplifier Unit array 1.Switch arrays 4 are used to control power to put
The power tube of big device cell array 1 is opened or closed, make Power Amplifier Unit array 1 synthesis comprising input RFin phase signals and
The output signal RFout of required amplitude.
VB1~VBn and VDD1~VDDn are respectively the bias voltage and working power electricity of Power Amplifier Unit array 1
Pressure.The adjustable size for changing bias voltage VB1~VBn of numerical control bias generator 2, makes power amplifier have bigger output
Power Dynamic Range.Numerical control bias generator 2 and numerical control supply voltage 3 can reduce bias voltage VB1~VBn and operating voltage
VDD1~VDDn value, making the power tube of Power Amplifier Unit array 1 has small quiescent dissipation.
(Referring to Fig. 2), take a single example and be illustrated:Power Amplifier Unit array 1 uses the E of commonsource amplifier structure
Power-like amplifier.The switch S1 control efferent ducts M2 of switch arrays 4 on or off, for selecting Power Amplifier Unit
Each amplifirer unit in array 1.Electric capacity C1 is used for the common-mode voltage for isolating upper level circuit, meanwhile, electric capacity C1 and inductance
L1 constitutes input matching network.Bias voltage VB1 is added in input pipe M1 grid by resistance R1, for improving the defeated of RFout
Go out Power Dynamic Range.Inductance L2 is used for the AC noise that the operating voltage VDD1 of isolated digital control power supply 3 is produced.
(Referring to Fig. 3)M3 pipes produce reference current by M1, M2 and M4, the electric current in M5 mirror images M3, M0 size constancy,
M6 breadth length ratio is changed by digital control, and breadth length ratio is bigger, and bias voltage VBn value is smaller.By selecting M6 different
Breadth length ratio produces no VBn values, the power output dynamic range for improving Power Amplifier Unit array 1.
(Referring to Fig. 4)The power output RFout of envelope detector detection Power Amplifier Unit array 1, then pass through amplification
Device is amplified to detection result, then adjusted by biasing control module the voltage VDD1 of Power Amplifier Unit array 1~
The size of VDDn values.
(Referring to Fig. 5)Digital amplitude signal is the control word for the power that Power Amplifier Unit array 1 needs output, numeral
Digital amplitude signal is converted to amplitude control words by transmission power control module by adaptively changing power gain;Binary system
Code turns the switch controlling signal that thermometer-code module is converted to amplitude control words Power Amplifier Unit array 1, for adjusting
The power output of Power Amplifier Unit array 1.
When the power amplifier in Power Amplifier Unit array 1 is started working, determined according to the requirement of transmission power
Switching signal S1~Sn of switch arrays 4 level value, and DCPS digitally controlled power source 3VDD1~VDDn and numerical control bias generator 2
Bias voltage VB1~VBn size.When the value reduction of transmission power, power is reduced in the presence of switching signal S1~SN
The number of amplifier unit array 1, now the efficiency of power amplifier can be degraded, by reduce VDD1~VDDn and VB1~
VBn value, you can the quiescent dissipation of reduction power amplifier, is prevented effectively from efficiency and is degraded.
The problem of power output that present invention applicant is directed to Larger Dynamic scope in existing amplifier is contradicted with efficiency, grinds
What hair proposed that efficiency a kind of power output that can realize Larger Dynamic scope is avoided that back-off again when is degraded has concurrently greatly
Dynamic range power output and efficient RF power amplification device, wherein Power Amplifier Unit use the circuit of E class A amplifier As
Structure.Numerical control bias generator 2 produces the input stage that one group of adjustable bias voltage of size is added in power amplifier, for realizing
The power output of Larger Dynamic scope.Voltage VB1~VBn of numerical control bias generator 2 and voltage VDD1~VDDn of DCPS digitally controlled power source 3
It is respectively used to change bias voltage, the size of operating voltage, two are combined so that power amplifier has required output work
Rate, meanwhile, with small quiescent dissipation, it is ensured that the power amplifier unit of Power Amplifier Unit array 1 is in whole power output model
High efficiency is respectively provided with enclosing.This have Larger Dynamic output power range concurrently and efficient RF power amplification device be particularly suitable for use in it is all
Such as low-power consumption wide area network class, and to application field that power output dynamic range and efficiency have higher requirements;It is stable and reliable in work,
Using effect is good.
The preferred embodiment of simply patent of the present invention described above, the example above illustrates reality not to patent of the present invention
Matter content makees any formal limitation, and person of an ordinary skill in the technical field is after this specification has been read according to this hair
Any simple modification or deformation that the technical spirit of bright patent is made to above embodiment, and taken off possibly also with above-mentioned
The technology contents shown are changed or are modified to the equivalence enforcement of equivalent variations, still fall within the model of art solutions of the present invention
In enclosing, without departing from the spirit and scope of patent of the present invention.
Claims (4)
1. one kind has Larger Dynamic output power range and efficient RF power amplification device concurrently, it is by Power Amplifier Unit array
(1)PA1~Pan, numerical control bias generator(2)VB1~VBn, DCPS digitally controlled power source voltage(3)VDD1~VDDn, switch arrays(4)S1
~Sn is constituted;It is characterized in that:Power Amplifier Unit array(1)Input be connected in parallel to numerical control bias generator(2),
Power Amplifier Unit array(1)Operating voltage end respectively each and DCPS digitally controlled power source(3)Connection;Power Amplifier Unit array
(1)Phase signal RFin pass through switch arrays(4)It is connected to Power Amplifier Unit array(1)Input;Power amplification
Device cell array(1)Output end synthesis comprising input RFin phase signals and range signal output signal RFout.
2. one kind according to claim 1 has Larger Dynamic output power range and efficient RF power amplification device concurrently, its
It is characterised by:Described Power Amplifier Unit array(1)For the E power-like amplifiers of commonsource amplifier structure.
3. one kind according to claim 1 has Larger Dynamic output power range and efficient RF power amplification device concurrently, its
It is characterised by:Described switch arrays(4)For controlling Power Amplifier Unit array(1)Open or close.
4. a kind of new digital switch power amplifier according to claim 1, it is characterised in that:Described numerical control bias
Generator(2)With DCPS digitally controlled power source(3)Mutually collaboration, reduces numerical control bias generator(2)Voltage bias VB 1~VBn values, and reduction number
Control power supply(3)Voltage VDD1~VDDn values so that Power Amplifier Unit array(1)With big power output dynamic range,
Reduce Power Amplifier Unit array(1)Quiescent dissipation, it is ensured that Power Amplifier Unit array(1)With big power output
Efficiency does not deteriorate while dynamic range, i.e., have high efficiency in big output power range.
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Cited By (5)
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CN108574534A (en) * | 2018-07-02 | 2018-09-25 | 中国电子科技集团公司第三十四研究所 | A kind of radar antenna receives signal conditioner and preprocess method |
CN110166004A (en) * | 2019-04-18 | 2019-08-23 | 翱捷科技(上海)有限公司 | A kind of power amplifier reduces the method and device of power consumption |
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 |
CN111049485A (en) * | 2019-12-11 | 2020-04-21 | 西安空间无线电技术研究所 | High-efficiency satellite self-closing loop power follow-up system based on HBT power amplifier |
CN113485515A (en) * | 2021-06-29 | 2021-10-08 | 中国科学院合肥物质科学研究院 | High-power radio frequency power source output power linear control system and method |
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Cited By (9)
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---|---|---|---|---|
CN108574534A (en) * | 2018-07-02 | 2018-09-25 | 中国电子科技集团公司第三十四研究所 | A kind of radar antenna receives signal conditioner and preprocess method |
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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 |
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CN111049485A (en) * | 2019-12-11 | 2020-04-21 | 西安空间无线电技术研究所 | High-efficiency satellite self-closing loop power follow-up system based on HBT power amplifier |
CN111049485B (en) * | 2019-12-11 | 2023-03-21 | 西安空间无线电技术研究所 | High-efficiency satellite self-closing loop power follow-up system based on HBT power amplifier |
CN113485515A (en) * | 2021-06-29 | 2021-10-08 | 中国科学院合肥物质科学研究院 | High-power radio frequency power source output power linear control system and method |
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