DE60124485D1 - Vorwärtskopplungsverstärker - Google Patents
VorwärtskopplungsverstärkerInfo
- Publication number
- DE60124485D1 DE60124485D1 DE60124485T DE60124485T DE60124485D1 DE 60124485 D1 DE60124485 D1 DE 60124485D1 DE 60124485 T DE60124485 T DE 60124485T DE 60124485 T DE60124485 T DE 60124485T DE 60124485 D1 DE60124485 D1 DE 60124485D1
- Authority
- DE
- Germany
- Prior art keywords
- feedforward amplifier
- feedforward
- amplifier
- 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
- H03F1/3223—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000289539 | 2000-09-22 | ||
JP2000289539 | 2000-09-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60124485D1 true DE60124485D1 (de) | 2006-12-28 |
DE60124485T2 DE60124485T2 (de) | 2007-03-01 |
Family
ID=18772918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60124485T Expired - Lifetime DE60124485T2 (de) | 2000-09-22 | 2001-09-21 | Vorwärtskopplungsverstärker |
Country Status (3)
Country | Link |
---|---|
US (1) | US6710652B2 (de) |
EP (1) | EP1193861B1 (de) |
DE (1) | DE60124485T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6590449B2 (en) * | 2000-05-30 | 2003-07-08 | Matsushita Electric Industrial Co., Ltd. | Predistortion circuit, low-distortion power amplifier, and control methods therefor |
US6850115B2 (en) * | 2002-08-26 | 2005-02-01 | Powerwave Technologies, Inc. | Enhanced efficiency LDMOS based feed forward amplifier |
US7126421B2 (en) * | 2003-09-23 | 2006-10-24 | Powerwave Technologies, Inc. | Method for aligning feed forward loops |
US7541868B2 (en) * | 2007-05-31 | 2009-06-02 | Andrew, Llc | Delay modulator pre-distortion circuit for an amplifier |
US20090243721A1 (en) * | 2008-03-28 | 2009-10-01 | Motorola, Inc. | Feedforward amplifier circuit and method for controlling a feedforward amplifier circuit |
US8706062B1 (en) * | 2008-12-19 | 2014-04-22 | Scintera Networks, Inc. | Self-adaptive power amplification |
WO2010120768A2 (en) | 2009-04-13 | 2010-10-21 | Viasat, Inc. | Active hybrids for antenna systems |
US8693970B2 (en) | 2009-04-13 | 2014-04-08 | Viasat, Inc. | Multi-beam active phased array architecture with independant polarization control |
JP5591322B2 (ja) | 2009-04-13 | 2014-09-17 | ビアサット・インコーポレイテッド | 半二重位相配列アンテナシステム |
US8587492B2 (en) * | 2009-04-13 | 2013-11-19 | Viasat, Inc. | Dual-polarized multi-band, full duplex, interleaved waveguide antenna aperture |
US10516219B2 (en) | 2009-04-13 | 2019-12-24 | Viasat, Inc. | Multi-beam active phased array architecture with independent polarization control |
WO2011108228A1 (ja) * | 2010-03-02 | 2011-09-09 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
US8699626B2 (en) | 2011-11-29 | 2014-04-15 | Viasat, Inc. | General purpose hybrid |
US8737531B2 (en) | 2011-11-29 | 2014-05-27 | Viasat, Inc. | Vector generator using octant symmetry |
CN111413660B (zh) * | 2020-04-29 | 2022-09-02 | 云南电网有限责任公司电力科学研究院 | 一种电能表误差自检测功能的测试方法及系统 |
US20230184889A1 (en) * | 2021-12-14 | 2023-06-15 | Infineon Technologies Ag | Receiver down-converter architecture including an hybrid coupler, a quadrature down-converter and a baseband signal linear combiner |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3993961A (en) * | 1975-10-31 | 1976-11-23 | Bell Telephone Laboratories, Incorporated | Overcompensated feedforward method and apparatus using overdistorted main amplifiers |
US4617522A (en) * | 1984-03-20 | 1986-10-14 | General Instrument Corporation | Temperature regulated feedforward amplifier |
JP3064901B2 (ja) * | 1996-05-08 | 2000-07-12 | 日本電気株式会社 | フィードフォワード増幅器 |
DE69724146T2 (de) * | 1996-12-30 | 2004-02-26 | Samsung Electronics Co., Ltd., Suwon | Kombinierte lineare leistungsverstärkungsvorrichtung und verfahren |
US6069521A (en) * | 1997-06-27 | 2000-05-30 | Sun Microsystems | Voltage regulation method for attenuating inductance-induced on-chip supply variations |
JPH11261343A (ja) * | 1998-03-10 | 1999-09-24 | Fujitsu Ltd | フィードフォーワード増幅器 |
US6127889A (en) * | 1998-11-18 | 2000-10-03 | Lucent Technologies Inc. | Nested feed forward distortion reduction system |
US6255903B1 (en) * | 1999-12-06 | 2001-07-03 | Motorola | Linear power amplifier with configurable feedforward error correction circuits |
JP3533351B2 (ja) * | 1999-12-28 | 2004-05-31 | 日本無線株式会社 | フィードフォワード増幅器及びその制御回路 |
-
2001
- 2001-09-21 DE DE60124485T patent/DE60124485T2/de not_active Expired - Lifetime
- 2001-09-21 US US09/961,144 patent/US6710652B2/en not_active Expired - Fee Related
- 2001-09-21 EP EP01122758A patent/EP1193861B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6710652B2 (en) | 2004-03-23 |
EP1193861A3 (de) | 2004-05-26 |
US20020113648A1 (en) | 2002-08-22 |
EP1193861B1 (de) | 2006-11-15 |
EP1193861A2 (de) | 2002-04-03 |
DE60124485T2 (de) | 2007-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |