ATE506746T1 - Stromverstärkerlinearisierung unter verwendung von hochfrequenz-feedback - Google Patents
Stromverstärkerlinearisierung unter verwendung von hochfrequenz-feedbackInfo
- Publication number
- ATE506746T1 ATE506746T1 AT08290846T AT08290846T ATE506746T1 AT E506746 T1 ATE506746 T1 AT E506746T1 AT 08290846 T AT08290846 T AT 08290846T AT 08290846 T AT08290846 T AT 08290846T AT E506746 T1 ATE506746 T1 AT E506746T1
- Authority
- AT
- Austria
- Prior art keywords
- phase
- quadrature hybrid
- subtracter
- splitters
- combiner
- Prior art date
Links
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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/345—Negative-feedback-circuit arrangements with or without positive feedback using hybrid or directional couplers
-
- 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
- H03F3/20—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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
- H04B1/207—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver with an audio or audio/video bus for signal distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/03—Hybrid circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08290846A EP2161832B1 (de) | 2008-09-09 | 2008-09-09 | Stromverstärkerlinearisierung unter Verwendung von Hochfrequenz-Feedback |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE506746T1 true ATE506746T1 (de) | 2011-05-15 |
Family
ID=40566203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT08290846T ATE506746T1 (de) | 2008-09-09 | 2008-09-09 | Stromverstärkerlinearisierung unter verwendung von hochfrequenz-feedback |
Country Status (9)
Country | Link |
---|---|
US (1) | US7940120B2 (de) |
EP (1) | EP2161832B1 (de) |
JP (1) | JP2012502569A (de) |
KR (1) | KR20110059845A (de) |
CN (1) | CN101674056B (de) |
AT (1) | ATE506746T1 (de) |
DE (1) | DE602008006401D1 (de) |
MY (1) | MY163585A (de) |
WO (1) | WO2010028742A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101083531B1 (ko) | 2009-09-01 | 2011-11-18 | 에스케이 텔레콤주식회사 | 송수신 신호 분리를 위한 결합장치 및 제어방법 |
US8326239B1 (en) | 2009-10-16 | 2012-12-04 | Qualcomm Atheros, Inc. | Power amplifier linearization using digital predistortion |
US8340602B1 (en) | 2009-10-16 | 2012-12-25 | Qualcomm Incorporated | Power amplifier linearization system and method |
US8565343B1 (en) | 2010-06-29 | 2013-10-22 | Qualcomm Incorporated | Transmit power control utilizing loopback error vector magnitude thresholds |
US9431975B2 (en) | 2011-04-04 | 2016-08-30 | The Trustees Of Columbia University In The City Of New York | Circuits for providing class-E power amplifiers |
US8729962B2 (en) | 2011-12-15 | 2014-05-20 | Qualcomm Incorporated | Millimeter wave power amplifier |
CN104185953B (zh) * | 2012-02-09 | 2016-08-17 | 天工方案公司 | 用于包络跟踪的装置和方法 |
US10063197B2 (en) | 2014-03-05 | 2018-08-28 | The Trustees Of Columbia University In The City Of New York | Circuits for power-combined power amplifier arrays |
US9614541B2 (en) | 2014-10-01 | 2017-04-04 | The Trustees Of Columbia University In The City Of New York | Wireless-transmitter circuits including power digital-to-amplitude converters |
US10270394B2 (en) | 2015-12-30 | 2019-04-23 | Skyworks Solutions, Inc. | Automated envelope tracking system |
US10727587B2 (en) | 2017-04-26 | 2020-07-28 | Gilat Satellite Networks Ltd. | High-resolution phase shifter |
US11146223B2 (en) * | 2019-07-01 | 2021-10-12 | Raytheon Company | High power radio frequency (RF) amplifiers |
US11700026B2 (en) | 2021-01-12 | 2023-07-11 | Skyworks Solutions, Inc. | Feedforward power amplifier for broadband operation |
WO2022241627A1 (zh) * | 2021-05-17 | 2022-11-24 | 广州拓品技术有限公司 | 一种前馈放大电路、音频放大器和音频播放装置 |
CN113871832B (zh) * | 2021-09-27 | 2022-07-12 | 中国电信股份有限公司 | 耦合装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638134A (en) * | 1969-11-26 | 1972-01-25 | Bell Telephone Labor Inc | Reflectionless amplifier |
US4490684A (en) * | 1983-01-03 | 1984-12-25 | Motorola, Inc. | Adaptive quadrature combining apparatus |
JPH06104603A (ja) * | 1992-09-18 | 1994-04-15 | Mitsubishi Electric Corp | 移相器 |
JP3115738B2 (ja) * | 1993-05-31 | 2000-12-11 | 三菱電機株式会社 | 線形増幅装置 |
US6268768B1 (en) * | 1999-11-29 | 2001-07-31 | Lucent Technologies Inc. | Amplifier having linear characteristics |
JP3851758B2 (ja) * | 2000-06-14 | 2006-11-29 | 富士通株式会社 | 増幅装置 |
US7142054B2 (en) * | 2004-05-06 | 2006-11-28 | Raytheon Company | Amplifying signals using a quadrature coupled amplifier |
CN100521512C (zh) * | 2006-08-29 | 2009-07-29 | 徐源 | 一种对功率自适应的rf基波抵消电路 |
-
2008
- 2008-09-09 DE DE602008006401T patent/DE602008006401D1/de active Active
- 2008-09-09 AT AT08290846T patent/ATE506746T1/de not_active IP Right Cessation
- 2008-09-09 EP EP08290846A patent/EP2161832B1/de not_active Not-in-force
-
2009
- 2009-08-18 JP JP2011526390A patent/JP2012502569A/ja active Pending
- 2009-08-18 WO PCT/EP2009/006069 patent/WO2010028742A1/en active Application Filing
- 2009-08-18 MY MYPI2011000790A patent/MY163585A/en unknown
- 2009-08-18 KR KR1020117005428A patent/KR20110059845A/ko active IP Right Grant
- 2009-08-26 US US12/461,847 patent/US7940120B2/en not_active Expired - Fee Related
- 2009-09-09 CN CN2009100022917A patent/CN101674056B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101674056A (zh) | 2010-03-17 |
KR20110059845A (ko) | 2011-06-07 |
EP2161832A1 (de) | 2010-03-10 |
EP2161832B1 (de) | 2011-04-20 |
WO2010028742A1 (en) | 2010-03-18 |
US7940120B2 (en) | 2011-05-10 |
US20100060353A1 (en) | 2010-03-11 |
JP2012502569A (ja) | 2012-01-26 |
CN101674056B (zh) | 2012-08-22 |
MY163585A (en) | 2017-09-29 |
DE602008006401D1 (de) | 2011-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE506746T1 (de) | Stromverstärkerlinearisierung unter verwendung von hochfrequenz-feedback | |
Choi et al. | Efficiency enhancement of feedforward amplifiers by employing a negative group-delay circuit | |
Birafane et al. | On the linearity and efficiency of outphasing microwave amplifiers | |
Barton et al. | Multi-way lossless outphasing system based on an all-transmission-line combiner | |
Cai et al. | A simplified transistor-based analog predistorter for a GaN power amplifier | |
Giofre et al. | New output combiner for Doherty amplifiers | |
US9787259B2 (en) | Outphasing power amplifier signal splitter using next stage input impedance and multiple biasing | |
Colantonio et al. | Theory and experimental results of a class F AB-C Doherty power amplifier | |
Li et al. | A 2–24GHz 360° full-span differential vector modulator phase rotator with transformer-based poly-phase quadrature network | |
US20110187453A1 (en) | Linearizer incorporating a phase shifter | |
KR20060058423A (ko) | 하이브리드 커플러가 없는 직렬구조의 도허티 증폭기 | |
JP2019134404A5 (de) | ||
Alsulami et al. | A novel 3-way dual-band Doherty power amplifier for enhanced concurrent operation | |
CN111988003A (zh) | 一种适用于twta和sspa的模拟预失真器通用结构 | |
Guo et al. | 1-d reconfigurable pseudo-doherty load modulated balanced amplifier with intrinsic vswr resilience across wide bandwidth | |
Chen et al. | A 40-GHz load modulated balanced power amplifier using unequal power splitter and phase compensation network in 45-nm SOI CMOS | |
US20190356275A1 (en) | Amplifier and transmitter | |
Abdulkhaleq et al. | Load‐modulation technique without using quarter‐wavelength transmission line | |
Rawat et al. | Design strategy for tri-band Doherty power amplifier | |
KR101712753B1 (ko) | 높은 이득 특성을 갖는 피드백 포트 증폭기 및 그 동작방법 | |
Paul et al. | Wideband 80 W balanced power amplifier for ISM and LTE-bands | |
Helaoui et al. | On the outphasing power amplifier nonlinearity analysis and correction using digital predistortion technique | |
Chen et al. | Design of An Asymmetrical Pseudo-Doherty Load-Modulated Balanced Amplifier with 15-dB Back-Off High Efficiency | |
Maleš-Ilić et al. | Linearization of two-way Doherty amplifier by injection of second and forth order nonlinear signals at the input and output of the carrier cell | |
Afanasyev et al. | Nonlinearity Modeling of Chireix Outphasing Power Combiner Under Amplitude Imbalance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |