KR20080044197A - 증폭기 - Google Patents
증폭기 Download PDFInfo
- Publication number
- KR20080044197A KR20080044197A KR1020070116833A KR20070116833A KR20080044197A KR 20080044197 A KR20080044197 A KR 20080044197A KR 1020070116833 A KR1020070116833 A KR 1020070116833A KR 20070116833 A KR20070116833 A KR 20070116833A KR 20080044197 A KR20080044197 A KR 20080044197A
- Authority
- KR
- South Korea
- Prior art keywords
- input
- bias voltage
- envelope
- semiconductor device
- matching circuit
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control 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
- 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
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
- H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (8)
- 증폭용 반도체 디바이스와, 상기 증폭용 반도체 디바이스에 대한 입/출력 매칭 회로를 포함하는 증폭기로서,상기 증폭기는 증폭되어질 신호의 포락선에 대응하는 상기 반도체 디바이스에 공급된 바이어스 전압을 변경하도록 구성되고,상기 바이어스 전압과 동조하여 상기 포락선에 대응하는 상기 입/출력 매칭 회로의 임피던스를 변경시키는 수단을 포함하는, 증폭기.
- 제 1 항에 있어서,상기 수단은 상기 바이어스 전압에 대응시키도록, 상기 입/출력 매칭 회로의 상기 임피던스를 변경시키기 위한 제어 전압을 생성하는, 증폭기.
- 제 2 항에 있어서,상기 수단은, 상기 포락선에 대응하는 각 바이어스 전압에 대응하는 상기 제어 전압을 미리 저장하는 테이블을 가지며, 상기 테이블을 참조하여 상기 바이어스 전압에 대응적으로, 상기 바이어스 전압에 대응하는 상기 제어 전압을 판독하도록 구성되는, 증폭기.
- 제 2 항에 있어서,상기 수단은, 상기 바이어스 전압에 기초하여 다항식 근사법으로부터 상기 제어 전압을 계산하는, 증폭기.
- 제 2 항에 있어서,상기 수단은 상기 바이어스 전압을 저항으로 나누어 상기 제어 전압을 계산하는, 증폭기.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,상기 매칭 회로는 입/출력 전압 제어형의 가변 위상 시프터인, 증폭기.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,상기 포락선에 관한 정보가, 이전 단계의 기저대역 신호 처리부에서 디지털 신호의 진폭에 관한 정보로부터 추출되는, 증폭기
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,상기 증폭되어질 신호를 상기 반도체 디바이스에 인가하기 위한 타이밍을, 상기 바이어스 전압과 상기 제어 전압을 변경시키기 위한 타이밍과 동기시키는 제어 수단을 더 포함하는, 증폭기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2006-00308529 | 2006-11-15 | ||
JP2006308529A JP5028966B2 (ja) | 2006-11-15 | 2006-11-15 | 増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080044197A true KR20080044197A (ko) | 2008-05-20 |
KR100977423B1 KR100977423B1 (ko) | 2010-08-24 |
Family
ID=38858492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070116833A KR100977423B1 (ko) | 2006-11-15 | 2007-11-15 | 증폭기 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7602243B2 (ko) |
JP (1) | JP5028966B2 (ko) |
KR (1) | KR100977423B1 (ko) |
CN (1) | CN101183854B (ko) |
GB (1) | GB2443930B (ko) |
Cited By (2)
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KR101104143B1 (ko) * | 2008-11-24 | 2012-01-13 | 한국전자통신연구원 | 무선 통신 시스템에서 신호의 송신 장치 및 방법 |
KR20150037511A (ko) * | 2013-09-30 | 2015-04-08 | 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드 | 펄스 동적 부하 변조 전력 증폭 회로 |
Families Citing this family (26)
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US8280323B2 (en) * | 2006-10-11 | 2012-10-02 | Bae Systems Information And Electronic Systems Integration Inc. | Fuzzy logic control of an RF power amplifier for automatic self-tuning |
US7609115B2 (en) * | 2007-09-07 | 2009-10-27 | Raytheon Company | Input circuitry for transistor power amplifier and method for designing such circuitry |
CN102282761B (zh) * | 2009-01-26 | 2016-03-23 | 日本电气株式会社 | 高频放大器、无线设备和控制方法 |
US8779857B2 (en) * | 2009-08-14 | 2014-07-15 | Qualcomm Incorporated | Amplifier with variable matching circuit to improve linearity |
EP2288021A1 (en) * | 2009-08-20 | 2011-02-23 | Alcatel Lucent | Amplifier and method for amplification of an RF signal |
JP5212316B2 (ja) | 2009-09-03 | 2013-06-19 | 富士通株式会社 | 無線通信装置及び無線通信方法 |
KR101101560B1 (ko) * | 2009-12-07 | 2012-01-02 | 삼성전기주식회사 | 전력 증폭기 |
EP2525488A4 (en) * | 2010-01-14 | 2013-03-06 | Sumitomo Electric Industries | AMPLIFIER AND SIGNAL PROCESSING DEVICE |
CN102844981B (zh) * | 2010-04-09 | 2015-04-01 | 住友电气工业株式会社 | 放大器电路和无线通信装置 |
US8416023B2 (en) | 2010-06-08 | 2013-04-09 | Nxp B.V. | System and method for compensating for changes in an output impedance of a power amplifier |
US8749307B2 (en) * | 2010-09-02 | 2014-06-10 | Samsung Electronics Co., Ltd. | Apparatus and method for a tunable multi-mode multi-band power amplifier module |
US9154356B2 (en) * | 2012-05-25 | 2015-10-06 | Qualcomm Incorporated | Low noise amplifiers for carrier aggregation |
JP2014045371A (ja) * | 2012-08-27 | 2014-03-13 | Fujitsu Ltd | 電力増幅装置 |
JP2014072557A (ja) * | 2012-09-27 | 2014-04-21 | Sumitomo Electric Ind Ltd | 高調波処理回路、及びこれを用いた増幅装置 |
US11128261B2 (en) | 2012-12-28 | 2021-09-21 | Psemi Corporation | Constant Vds1 bias control for stacked transistor configuration |
US9667195B2 (en) | 2012-12-28 | 2017-05-30 | Peregrine Semiconductor Corporation | Amplifiers operating in envelope tracking mode or non-envelope tracking mode |
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US9571048B2 (en) * | 2015-03-06 | 2017-02-14 | Qorvo Us, Inc. | Differential power amplifier for mobile cellular envelope tracking |
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US10276371B2 (en) | 2017-05-19 | 2019-04-30 | Psemi Corporation | Managed substrate effects for stabilized SOI FETs |
WO2020087237A1 (zh) * | 2018-10-30 | 2020-05-07 | 华为技术有限公司 | 功率放大电路、控制功率放大器的方法以及功率放大器 |
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-
2006
- 2006-11-15 JP JP2006308529A patent/JP5028966B2/ja not_active Expired - Fee Related
-
2007
- 2007-10-30 US US11/928,664 patent/US7602243B2/en not_active Expired - Fee Related
- 2007-11-09 GB GB0722090A patent/GB2443930B/en not_active Expired - Fee Related
- 2007-11-15 CN CN2007101703771A patent/CN101183854B/zh not_active Expired - Fee Related
- 2007-11-15 KR KR1020070116833A patent/KR100977423B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101104143B1 (ko) * | 2008-11-24 | 2012-01-13 | 한국전자통신연구원 | 무선 통신 시스템에서 신호의 송신 장치 및 방법 |
KR20150037511A (ko) * | 2013-09-30 | 2015-04-08 | 아바고 테크놀로지스 제너럴 아이피 (싱가포르) 피티이 리미티드 | 펄스 동적 부하 변조 전력 증폭 회로 |
Also Published As
Publication number | Publication date |
---|---|
JP5028966B2 (ja) | 2012-09-19 |
KR100977423B1 (ko) | 2010-08-24 |
GB0722090D0 (en) | 2007-12-19 |
CN101183854A (zh) | 2008-05-21 |
GB2443930A (en) | 2008-05-21 |
US7602243B2 (en) | 2009-10-13 |
US20080278231A1 (en) | 2008-11-13 |
CN101183854B (zh) | 2011-11-09 |
JP2008124947A (ja) | 2008-05-29 |
GB2443930B (en) | 2009-08-05 |
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