KR101094050B1 - 다중 스위치를 갖는 동적 바이어스 공급장치 - Google Patents
다중 스위치를 갖는 동적 바이어스 공급장치 Download PDFInfo
- Publication number
- KR101094050B1 KR101094050B1 KR1020090067212A KR20090067212A KR101094050B1 KR 101094050 B1 KR101094050 B1 KR 101094050B1 KR 1020090067212 A KR1020090067212 A KR 1020090067212A KR 20090067212 A KR20090067212 A KR 20090067212A KR 101094050 B1 KR101094050 B1 KR 101094050B1
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- South Korea
- Prior art keywords
- dynamic
- dynamic bias
- bias supply
- amplifier
- parallel
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- Expired - Fee Related
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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
- H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
- H03F1/0266—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
-
- 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
-
- 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
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
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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
- 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
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor amplifiers
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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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
-
- 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
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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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/222—A circuit being added at the input of an amplifier to adapt the input impedance of the amplifier
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/27—A biasing circuit node being switched in an amplifier circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21142—Output signals of a plurality of power amplifiers are parallel combined to a common output
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (6)
- 도허티(Doherty) 증폭기를 포함하여 복수개의 전력 증폭기들을 병렬로 연결하는 다중 병렬 전력 증폭기를 위한 동적 바이어스 공급 장치에 있어서,상기 복수개의 병렬 전력 증폭기들에 각각 대응하는 복수개의 스위칭부; 및포락선 신호에 따라 상기 스위칭부들에 필요한 신호 레벨을 가진 동적 신호를 생성하고, 생성된 신호를 상기 스위칭부들로 각각 제공하는 복수개의 포락선 신호 처리부를 포함하는 것을 특징으로 하는 동적 바이어스 공급장치.
- 삭제
- 도허티(Doherty) 증폭기를 포함하여 복수개의 전력 증폭기들을 병렬로 연결하는 다중 병렬 전력 증폭기를 위한 동적 바이어스 공급 장치에 있어서,상기 복수개의 병렬 전력 증폭기들에 각각 대응하는 복수개의 스위칭부; 및상기 복수개의 스위칭부에 포락선에 대한 동적 신호를 공급하는 한 개의 포락선 신호 처리부를 포함하는 것을 특징으로 하는 동적 바이어스 공급장치.
- 제3항에 있어서,상기 복수개의 스위칭부에 대하여 한 개의 포락선 신호 처리부를 갖는 구조가 한 개 또는 그 이상의 개수가 병렬로 연결되어 사용되는 것을 특징으로 하는 동적 바이어스 공급장치.
- 제1항 또는 제3항에 있어서,상기 동적 바이어스 공급장치는 밸런스형(Balanced) 증폭기, 도허티(Doherty) 증폭기, 피드포워드(Feed-forward) 증폭기, 피드백 증폭기(Feedback amplifier), 및 폴라(Polar) 송신기를 포함하는, 다중 병렬 구조를 사용하는 모든 증폭기에 대하여 적용되는 것을 특징으로 하는 동적 바이어스 공급장치.
- 제1항 또는 제3항에 있어서,상기 동적 바이어스 공급장치는, EER(Envelope Elimination and Restoration), Hybrid-EER, ET(Envelope Tracking) 또는 DBS(Dynamic-Bias Switching)에 적용되는 것을 특징으로 하는 동적 바이어스 공급 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090067212A KR101094050B1 (ko) | 2009-07-23 | 2009-07-23 | 다중 스위치를 갖는 동적 바이어스 공급장치 |
US12/705,208 US8054126B2 (en) | 2009-07-23 | 2010-02-12 | Dynamic bias supply devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090067212A KR101094050B1 (ko) | 2009-07-23 | 2009-07-23 | 다중 스위치를 갖는 동적 바이어스 공급장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110009815A KR20110009815A (ko) | 2011-01-31 |
KR101094050B1 true KR101094050B1 (ko) | 2011-12-19 |
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Family Applications (1)
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KR1020090067212A Expired - Fee Related KR101094050B1 (ko) | 2009-07-23 | 2009-07-23 | 다중 스위치를 갖는 동적 바이어스 공급장치 |
Country Status (2)
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US (1) | US8054126B2 (ko) |
KR (1) | KR101094050B1 (ko) |
Cited By (1)
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KR20140024204A (ko) * | 2012-08-15 | 2014-02-28 | 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드 | 전력 증폭기 |
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2009
- 2009-07-23 KR KR1020090067212A patent/KR101094050B1/ko not_active Expired - Fee Related
-
2010
- 2010-02-12 US US12/705,208 patent/US8054126B2/en not_active Expired - Fee Related
Patent Citations (2)
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KR100480496B1 (ko) * | 2002-11-18 | 2005-04-07 | 학교법인 포항공과대학교 | 도허티 증폭기를 이용한 신호 증폭 장치 |
KR100710509B1 (ko) | 2006-04-11 | 2007-04-25 | 남상욱 | 펄스면적변조를 이용한 고효율 선형 전력증폭기 시스템 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140024204A (ko) * | 2012-08-15 | 2014-02-28 | 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드 | 전력 증폭기 |
KR101629063B1 (ko) | 2012-08-15 | 2016-06-09 | 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드 | 전력 증폭기 |
Also Published As
Publication number | Publication date |
---|---|
US8054126B2 (en) | 2011-11-08 |
US20110018628A1 (en) | 2011-01-27 |
KR20110009815A (ko) | 2011-01-31 |
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