DE60142382D1 - Vorwärtsgekoppelter Verstärker - Google Patents
Vorwärtsgekoppelter VerstärkerInfo
- Publication number
- DE60142382D1 DE60142382D1 DE60142382T DE60142382T DE60142382D1 DE 60142382 D1 DE60142382 D1 DE 60142382D1 DE 60142382 T DE60142382 T DE 60142382T DE 60142382 T DE60142382 T DE 60142382T DE 60142382 D1 DE60142382 D1 DE 60142382D1
- Authority
- DE
- Germany
- Prior art keywords
- coupled amplifier
- forward coupled
- amplifier
- coupled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
-
- 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
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
- H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3218—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the main amplifier or error amplifier being a feedforward amplifier
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000146327A JP3877937B2 (ja) | 2000-05-18 | 2000-05-18 | フィードフォワード増幅器 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60142382D1 true DE60142382D1 (de) | 2010-07-29 |
Family
ID=18652704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60142382T Expired - Lifetime DE60142382D1 (de) | 2000-05-18 | 2001-05-15 | Vorwärtsgekoppelter Verstärker |
Country Status (5)
Country | Link |
---|---|
US (1) | US6392483B2 (de) |
EP (1) | EP1158661B1 (de) |
JP (1) | JP3877937B2 (de) |
CN (1) | CN1220327C (de) |
DE (1) | DE60142382D1 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9616142D0 (en) | 1996-08-01 | 1996-09-11 | Northern Telecom Ltd | Distribution network |
EP1113637B1 (de) * | 1999-12-28 | 2006-04-05 | NTT DoCoMo, Inc. | Schaltung zur Komprimierung des dynamischen Bereich eines Signals |
US6630899B2 (en) * | 2000-07-20 | 2003-10-07 | Tripath Technology, Inc. | Scheme for maximizing efficiency of power amplifier under power backoff conditions |
KR100547843B1 (ko) * | 2001-07-13 | 2006-02-01 | 삼성전자주식회사 | 이동통신 시스템의 송신전력 제어장치 및 방법 |
US6677817B2 (en) * | 2001-12-17 | 2004-01-13 | Powerwave Technologies, Inc. | Feed forward amplifier with amplifier stage failure detection using pilot tones |
CA2476246C (en) * | 2002-02-14 | 2011-10-04 | Powerwave Technologies, Inc. | Feed forward rf power amplifier with high efficiency main amplifier and highly linear error amplifier |
DE10206966B4 (de) * | 2002-02-19 | 2011-08-11 | Rohde & Schwarz GmbH & Co. KG, 81671 | Verfahren zum Schätzen von Verstärkungsfaktoren eines CDMA-Signals |
KR100459065B1 (ko) * | 2002-07-25 | 2004-12-03 | 학교법인 포항공과대학교 | 피크 대 평균 전력비의 축소와 확장을 통한 선형화 장치 |
US7209715B2 (en) * | 2002-07-30 | 2007-04-24 | Matsushita Electric Industrial Co., Ltd. | Power amplifying method, power amplifier, and communication apparatus |
CA2442938A1 (en) * | 2002-09-30 | 2004-03-30 | Vcom Inc. | Method and apparatus for reducing the power consumption of the power amplifier used in a qam modulator |
US7180368B2 (en) * | 2002-11-14 | 2007-02-20 | Hitachi Kokusai Electric Inc. | Distortion compensation circuit, distortion compensation signal generating method, and power amplifier |
GB2402308B (en) * | 2003-05-28 | 2006-01-04 | Nokia Corp | Par reduction for edge clipper |
US7129778B2 (en) * | 2003-07-23 | 2006-10-31 | Northrop Grumman Corporation | Digital cross cancellation system |
US7042287B2 (en) | 2003-07-23 | 2006-05-09 | Northrop Grumman Corporation | System and method for reducing dynamic range and improving linearity in an amplication system |
JP3910167B2 (ja) * | 2003-09-25 | 2007-04-25 | 松下電器産業株式会社 | 増幅回路 |
KR101009778B1 (ko) * | 2003-10-23 | 2011-01-19 | 삼성전자주식회사 | 높은 첨두전력 대 평균전력비를 가지는 전력증폭 장치 및 방법 |
DE602005023551D1 (de) * | 2004-01-28 | 2010-10-28 | Ntt Docomo Inc | Mehrfachband-Vorwärtskopplungsverstärker und Methode zur Einstellung desselben |
US7826435B1 (en) * | 2004-03-05 | 2010-11-02 | Zte (Usa) Inc. | Power control in OFDM and OFDMA wireless communication networks |
US7157967B2 (en) * | 2004-03-11 | 2007-01-02 | Powerwave Technologies Inc. | System and method for control of loop alignment in adaptive feed forward amplifiers |
US7327803B2 (en) | 2004-10-22 | 2008-02-05 | Parkervision, Inc. | Systems and methods for vector power amplification |
US7355470B2 (en) | 2006-04-24 | 2008-04-08 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
EP1732206B1 (de) * | 2005-06-03 | 2007-09-26 | NTT DoCoMo INC. | Bandauswahl-Vorwärtskopplungsverstärker |
CN100576767C (zh) * | 2005-06-03 | 2009-12-30 | 株式会社Ntt都科摩 | 多频带用前馈放大器 |
US8334722B2 (en) | 2007-06-28 | 2012-12-18 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation and amplification |
US9106316B2 (en) | 2005-10-24 | 2015-08-11 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification |
US8013675B2 (en) | 2007-06-19 | 2011-09-06 | Parkervision, Inc. | Combiner-less multiple input single output (MISO) amplification with blended control |
US7911272B2 (en) | 2007-06-19 | 2011-03-22 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments |
US8031804B2 (en) | 2006-04-24 | 2011-10-04 | Parkervision, Inc. | Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion |
US7937106B2 (en) | 2006-04-24 | 2011-05-03 | ParkerVision, Inc, | Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same |
JP4880502B2 (ja) * | 2007-03-13 | 2012-02-22 | 日本無線株式会社 | 中継装置 |
WO2008144017A1 (en) | 2007-05-18 | 2008-11-27 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
US7778318B1 (en) * | 2007-08-15 | 2010-08-17 | Agilent Technologies, Inc. | OFDM gain compression measurement |
JP4424418B2 (ja) | 2007-12-26 | 2010-03-03 | トヨタ自動車株式会社 | 燃料電池システム及び燃料電池車両 |
US8755762B2 (en) * | 2008-08-05 | 2014-06-17 | Broadcom Corporation | RF receiver with oscillation based blocker |
US7782141B2 (en) * | 2008-12-29 | 2010-08-24 | Texas Instruments Incorporated | Adaptive signal-feed-forward circuit and method for reducing amplifier power without signal distortion |
US8447245B2 (en) * | 2010-01-22 | 2013-05-21 | Freescale Semiconductor, Inc. | Radio frequency transmitter having an amplifier with power supply modulation |
WO2012139126A1 (en) | 2011-04-08 | 2012-10-11 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
JP6174574B2 (ja) | 2011-06-02 | 2017-08-02 | パーカーヴィジョン インコーポレイテッド | アンテナ制御 |
KR101674415B1 (ko) * | 2012-04-27 | 2016-11-09 | 삼성전자주식회사 | 디지털 신호 처리 시스템에서 신호 이득 제어 방법 및 장치 |
KR20160058855A (ko) | 2013-09-17 | 2016-05-25 | 파커비전, 인크. | 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템 |
CN104467718B (zh) * | 2014-11-19 | 2017-05-17 | 天津光电通信技术有限公司 | 一种压缩射频信号动态范围的模块电路 |
EP3485567A1 (de) | 2016-07-14 | 2019-05-22 | Telefonaktiebolaget LM Ericsson (PUBL) | Verstärkerschaltung und verfahren zur kompensation eines an einem ausgang der verstärkerschaltung bereitgestellten ausgangssignals |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4943783A (en) * | 1989-07-31 | 1990-07-24 | Nippon Telegraph And Telephone Corporation | Feed forward distortion correction circuit |
US5638403A (en) * | 1995-04-28 | 1997-06-10 | Motorola, Inc. | Low-splatter peak-to-average signal reduction with interpolation |
RU2142670C1 (ru) * | 1995-11-16 | 1999-12-10 | Самсунг Электроникс Ко., Лтд. | Устройство линейного усиления мощности |
US5760646A (en) * | 1996-03-29 | 1998-06-02 | Spectrian | Feed-forward correction loop with adaptive predistortion injection for linearization of RF power amplifier |
US6175270B1 (en) * | 1998-03-05 | 2001-01-16 | Lucent Technologies Inc. | Method and apparatus for tailored distortion of a signal prior to amplification to reduce clipping |
US6046635A (en) * | 1998-04-08 | 2000-04-04 | Powerwave Technologies, Inc. | Dynamic predistortion compensation for a power amplifier |
DE60041469D1 (de) * | 1999-03-31 | 2009-03-19 | Nippon Telegraph & Telephone | Vorwärtskopplungsverstärker |
US6211733B1 (en) * | 1999-10-22 | 2001-04-03 | Powerwave Technologies, Inc. | Predistortion compensation for a power amplifier |
-
2000
- 2000-05-18 JP JP2000146327A patent/JP3877937B2/ja not_active Expired - Fee Related
-
2001
- 2001-05-15 DE DE60142382T patent/DE60142382D1/de not_active Expired - Lifetime
- 2001-05-15 US US09/854,476 patent/US6392483B2/en not_active Expired - Lifetime
- 2001-05-15 EP EP01111223A patent/EP1158661B1/de not_active Expired - Lifetime
- 2001-05-16 CN CN01117687.3A patent/CN1220327C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1158661A3 (de) | 2002-10-02 |
JP3877937B2 (ja) | 2007-02-07 |
CN1220327C (zh) | 2005-09-21 |
EP1158661B1 (de) | 2010-06-16 |
US20010043118A1 (en) | 2001-11-22 |
US6392483B2 (en) | 2002-05-21 |
JP2001326538A (ja) | 2001-11-22 |
EP1158661A2 (de) | 2001-11-28 |
CN1325182A (zh) | 2001-12-05 |
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