CN103580623A - Radiofrequency power amplifier device and radiofrequency power amplifying method - Google Patents
Radiofrequency power amplifier device and radiofrequency power amplifying method Download PDFInfo
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- CN103580623A CN103580623A CN201210284534.2A CN201210284534A CN103580623A CN 103580623 A CN103580623 A CN 103580623A CN 201210284534 A CN201210284534 A CN 201210284534A CN 103580623 A CN103580623 A CN 103580623A
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- power
- branch road
- phase shifter
- doherty
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- 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
- H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
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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
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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
- H03F3/20—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
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/411—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising two power stages
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a radiofrequency power amplifier device and a radiofrequency power amplifying method. The radiofrequency power amplifier device comprises N power branches in parallel connection, wherein each of the power branches comprises a phase shifter and a Doherty power amplifier; N is an integer being more than 1: the phase shifter is used for performing signal phase compensation. According to the scheme, the combination for two or more Doherty power amplifiers is performed, the combined Doherty power amplifiers are adjusted, and in a combined Doherty circuit, the phase shifter is introduced for performing the phase compensation on the signals, so that the efficiency of power amplification is increased, the indexes of efficiency, linearity, and the like, are ensured, and meanwhile, the debugging is more convenient and easy, the consistency of the device is better and the running is more stable and reliable. According to the scheme, the new requirements such as, higher power, higher peak-to-average ratio and the like, of a user can be met.
Description
Technical field
The present invention relates to circuit design technique field, relate in particular to a kind of radio-frequency (RF) power amplification device and a kind of radio-frequency power amplifying method.
Background technology
In the face of day by day fierce Communications Market competition, the efficiency of base station product has become the focus of competition in the industry, power amplifier product is as the critical piece in base station, its improved efficiency has also become the most important thing, each producer is all at the lifting scheme of studying power amplification efficiency, Doherty (Doherty) power amplifier technology is a ripe power amplifier technology, and Fig. 1 is that corresponding module forms structure.Each manufacturer is all at this power amplifier of batch production, and each manufacturer is still exploring Doherty technology, and this technology is more easily debugged, and consistency is better, and performance is more reliable and more stable.
Along with the competition of base station product is more and more fierce, client puts forward many new demands, and such as peak-to-average force ratio further increases, the further lifting of power take-off etc., current single Doherty power amplifier can not meet this type of demand.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of radio-frequency (RF) power amplification device and a kind of radio-frequency power amplifying method, solves the problem that single Doherty power amplifier can not meet power amplifier performance requirement.
In order to solve the problems of the technologies described above, the invention provides a kind of radio-frequency (RF) power amplification device, described device comprises N power branch road in parallel; Each power branch road comprises phase shifter and Doherty power amplifier; Wherein N is greater than 1 integer; Described phase shifter, for carrying out signal phase compensation.
Further, said apparatus can also have following characteristics:
In each power branch road, the output of described phase shifter connects the input of driver, and the output of described driver connects the output of Doherty power amplifier.
Further, said apparatus can also have following characteristics:
Described phase shifter is chip apparatus or analogue means.
Further, said apparatus can also have following characteristics:
Described N is greater than 1 integer.
Further, said apparatus can also have following characteristics:
Described device comprises power division module and power synthesis module;
The input of described N power branch road in parallel connects the output of described power distribution unit;
The output of described N power branch road in parallel connects the input of described power synthesis module.
In order to solve the problems of the technologies described above, the invention provides a kind of radio-frequency power amplifying method, comprise: signal is assigned on N power branch road in parallel, after using phase shifter to carry out signal phase compensation on each power branch road, by Doherty power amplifier, carry out signal amplification, wherein N is greater than 1 integer.
Further, said method can also have following characteristics:
In each power branch road, by phase shifter, undertaken inputing to driver after signal phase compensation, the output signal of driver is inputed to Doherty power amplifier.
Further, said method can also have following characteristics:
Described phase shifter is chip apparatus or analogue means.
Further, said method can also have following characteristics:
Described N is greater than 1 integer.
Further, said method can also have following characteristics:
By power distribution unit, input signal is assigned to described N power branch road in parallel, by power synthesis module, the power amplification signal of described N power branch road in parallel is synthesized to output.
This programme carries out two, and even two above dohertny power amplifiers are synthetic, and synthetic doherty power amplifier is adjusted, in synthetic doherty circuit, introduce phase shifter signal is carried out to phase compensation, when improving power amplification efficiency, the indexs such as guaranteed efficiency, linearity make to debug convenient and easy simultaneously, and make the consistent performance of device better, move more reliable and more stablely, this programme can also meet user's new demand, demands such as higher power and larger peak-to-average force ratio.
Accompanying drawing explanation
Fig. 1 is the structure chart of Doherty power amplifier in prior art;
Fig. 2 is the structure chart of radio-frequency (RF) power amplification device in embodiment;
Fig. 3 is the structure chart of another kind of radio-frequency (RF) power amplification device in embodiment.
Embodiment
While adjusting the phase place of doherty in Fig. 1, need to adjust the phase place that biasing 1 and 2 two microstrip lines of biasing are adjusted doherty, this kind of method will realize by operations such as secant, benefit lines, inconvenient debugging, and consistency is poor.In this programme, introduced in the doherty circuit on phase shifter ，Mei road, adopted phase shifter, by phase shifter, compensated easily the phase place between every road doherty, while making power synthetic, right more convenient, more accurate of phase place, takes into account efficiency more easily with linear.
As shown in Figure 2, radio-frequency (RF) power amplification device comprises the power branch road that N (N is greater than 1 integer, and for example N is 2 or 3) is in parallel, and each power branch road comprises phase shifter and Doherty power amplifier, and described phase shifter is used for carrying out signal phase compensation.
As shown in Figure 3, in physical circuit, can also comprise driver (driver) in each power branch road, the output of phase shifter connects the input of driver, and the output of driver connects the output of Doherty power amplifier.Described device can also comprise power division module and power synthesis module; The input of described N power branch road in parallel connects the output of described power distribution unit; The output of described N power branch road in parallel connects the input of described power synthesis module.
Described phase shifter is chip apparatus or analogue means.
The radio-frequency power amplifying method corresponding with said apparatus comprises: signal is assigned to N, and (N is greater than 1 integer, for example N is 2 or 3) in parallel power branch road, by Doherty power amplifier, carry out signal amplification after using phase shifter to carry out signal phase compensation on each power branch road.
In each power branch road, by phase shifter, undertaken inputing to driver after signal phase compensation, the output signal of driver is inputed to Doherty power amplifier.
Described phase shifter is chip apparatus or analogue means.
By power distribution unit, input signal is assigned to described N power branch road in parallel, by power synthesis module, the power amplification signal of described N power branch road in parallel is synthesized to output.
In sum, this programme, by synthetic doherty circuit, is introduced phase shifter technology, and to adapt to higher power take-off, the indexs such as while guaranteed efficiency, linearity, adopt present technique to make debugging easier, and consistent performance is better, moves more reliable and more stable.
It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
One of ordinary skill in the art will appreciate that all or part of step in said method can come instruction related hardware to complete by program, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (10)
1. a radio-frequency (RF) power amplification device, is characterized in that,
Described device comprises N power branch road in parallel; Each power branch road comprises phase shifter and Doherty power amplifier; Wherein N is greater than 1 integer;
Described phase shifter, for carrying out signal phase compensation.
2. device as claimed in claim 1, is characterized in that,
In each power branch road, the output of described phase shifter connects the input of driver, and the output of described driver connects the output of Doherty power amplifier.
3. device as claimed in claim 1 or 2, is characterized in that,
Described phase shifter is chip apparatus or analogue means.
4. device as claimed in claim 1 or 2, is characterized in that,
Described N is greater than 1 integer.
5. device as claimed in claim 1 or 2, is characterized in that,
Described device comprises power division module and power synthesis module;
The input of described N power branch road in parallel connects the output of described power distribution unit;
The output of described N power branch road in parallel connects the input of described power synthesis module.
6. a radio-frequency power amplifying method, is characterized in that,
Signal is assigned on N power branch road in parallel, by Doherty power amplifier carries out signal amplification after using phase shifter to carry out signal phase compensation on each power branch road, wherein N is greater than 1 integer.
7. method as claimed in claim 6, is characterized in that,
In each power branch road, by phase shifter, undertaken inputing to driver after signal phase compensation, the output signal of driver is inputed to Doherty power amplifier.
8. the method as described in claim 6 or 7, is characterized in that,
Described phase shifter is chip apparatus or analogue means.
9. the method as described in claim 6 or 7, is characterized in that,
Described N is greater than 1 integer.
10. the method as described in claim 6 or 7, is characterized in that,
By power distribution unit, input signal is assigned to described N power branch road in parallel, by power synthesis module, the power amplification signal of described N power branch road in parallel is synthesized to output.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284534.2A CN103580623A (en) | 2012-08-10 | 2012-08-10 | Radiofrequency power amplifier device and radiofrequency power amplifying method |
| PCT/CN2013/081012 WO2014023234A1 (en) | 2012-08-10 | 2013-08-07 | Radiofrequency power amplifier device and radiofrequency power amplification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284534.2A CN103580623A (en) | 2012-08-10 | 2012-08-10 | Radiofrequency power amplifier device and radiofrequency power amplifying method |
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| CN103580623A true CN103580623A (en) | 2014-02-12 |
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| CN201210284534.2A Pending CN103580623A (en) | 2012-08-10 | 2012-08-10 | Radiofrequency power amplifier device and radiofrequency power amplifying method |
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| CN (1) | CN103580623A (en) |
| WO (1) | WO2014023234A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105897181A (en) * | 2016-05-24 | 2016-08-24 | 桂林市思奇通信设备有限公司 | High-speed power amplifier device for digital signal transmitter |
| CN106330102A (en) * | 2015-07-07 | 2017-01-11 | 中兴通讯股份有限公司 | Power amplification system, method and device |
| WO2017015858A1 (en) * | 2015-07-28 | 2017-02-02 | 华为技术有限公司 | Power amplifier, power amplification method, and power amplification control device and method |
| CN109067364A (en) * | 2018-06-07 | 2018-12-21 | 佛山市顺德区中山大学研究院 | A kind of Doherty power amplifier of high-efficient wide-frequency output |
| CN109905092A (en) * | 2017-12-11 | 2019-06-18 | 华为技术有限公司 | A kind of power amplifier device and signal processing method |
| CN111082817A (en) * | 2019-12-27 | 2020-04-28 | 四川九洲电器集团有限责任公司 | Phase compensation method and system for improving linearity |
| CN114051309A (en) * | 2021-11-03 | 2022-02-15 | 北京航天广通科技有限公司分公司 | Control system and method for radio frequency power and amplitude of particle accelerator |
| CN114828174A (en) * | 2022-03-14 | 2022-07-29 | 西安电子科技大学 | Power distribution method and system based on series-parallel connection of power amplifiers |
| WO2023046109A1 (en) * | 2021-09-23 | 2023-03-30 | 广州慧智微电子股份有限公司 | Phase shifter and phase shifting method |
| CN116317978A (en) * | 2023-05-22 | 2023-06-23 | 广东工业大学 | Dual-mode power amplifier, power amplifying method and related equipment thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10211784B2 (en) | 2016-11-03 | 2019-02-19 | Nxp Usa, Inc. | Amplifier architecture reconfiguration |
| CN115021685B (en) * | 2022-05-11 | 2023-08-11 | 锐石创芯(深圳)科技股份有限公司 | Doherty power amplifying circuit and radio frequency front end module |
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| CN102427332B (en) * | 2011-11-28 | 2015-04-08 | 华为技术有限公司 | Doherty power amplifier and method and equipment for improving power amplification efficiency of Doherty power amplifier |
| CN102594265A (en) * | 2012-02-29 | 2012-07-18 | 中国科学院微电子研究所 | Electric adjusting Doherty power amplifier |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330102A (en) * | 2015-07-07 | 2017-01-11 | 中兴通讯股份有限公司 | Power amplification system, method and device |
| US10432146B2 (en) | 2015-07-28 | 2019-10-01 | Huawei Technologies Co., Ltd. | Power amplifier, power amplification method, and power amplification control apparatus and method |
| WO2017015858A1 (en) * | 2015-07-28 | 2017-02-02 | 华为技术有限公司 | Power amplifier, power amplification method, and power amplification control device and method |
| CN107112956A (en) * | 2015-07-28 | 2017-08-29 | 华为技术有限公司 | Power amplifier, power-magnifying method, power amplification control device and method |
| CN107112956B (en) * | 2015-07-28 | 2020-09-08 | 华为技术有限公司 | Power amplifier, power amplification method, power amplification control device and method |
| CN105897181B (en) * | 2016-05-24 | 2018-11-09 | 桂林市思奇通信设备有限公司 | A kind of high speed digital signals transmitter power amplifying device |
| CN105897181A (en) * | 2016-05-24 | 2016-08-24 | 桂林市思奇通信设备有限公司 | High-speed power amplifier device for digital signal transmitter |
| CN109905092B (en) * | 2017-12-11 | 2022-02-25 | 华为技术有限公司 | Power amplification device and signal processing method |
| CN109905092A (en) * | 2017-12-11 | 2019-06-18 | 华为技术有限公司 | A kind of power amplifier device and signal processing method |
| CN109067364A (en) * | 2018-06-07 | 2018-12-21 | 佛山市顺德区中山大学研究院 | A kind of Doherty power amplifier of high-efficient wide-frequency output |
| CN109067364B (en) * | 2018-06-07 | 2022-04-19 | 佛山市顺德区中山大学研究院 | Doherty power amplifier with broadband and efficient output |
| CN111082817A (en) * | 2019-12-27 | 2020-04-28 | 四川九洲电器集团有限责任公司 | Phase compensation method and system for improving linearity |
| CN111082817B (en) * | 2019-12-27 | 2021-04-06 | 四川九洲电器集团有限责任公司 | Phase compensation method and system for improving linearity |
| WO2023046109A1 (en) * | 2021-09-23 | 2023-03-30 | 广州慧智微电子股份有限公司 | Phase shifter and phase shifting method |
| CN114051309A (en) * | 2021-11-03 | 2022-02-15 | 北京航天广通科技有限公司分公司 | Control system and method for radio frequency power and amplitude of particle accelerator |
| CN114828174A (en) * | 2022-03-14 | 2022-07-29 | 西安电子科技大学 | Power distribution method and system based on series-parallel connection of power amplifiers |
| CN116317978A (en) * | 2023-05-22 | 2023-06-23 | 广东工业大学 | Dual-mode power amplifier, power amplifying method and related equipment thereof |
| CN116317978B (en) * | 2023-05-22 | 2023-07-21 | 广东工业大学 | Dual-mode power amplifier, power amplifying method and related equipment thereof |
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| WO2014023234A1 (en) | 2014-02-13 |
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