DE3778271D1 - Linearisierer fuer wanderfeldroehrenverstaerker. - Google Patents

Linearisierer fuer wanderfeldroehrenverstaerker.

Info

Publication number
DE3778271D1
DE3778271D1 DE8787307604T DE3778271T DE3778271D1 DE 3778271 D1 DE3778271 D1 DE 3778271D1 DE 8787307604 T DE8787307604 T DE 8787307604T DE 3778271 T DE3778271 T DE 3778271T DE 3778271 D1 DE3778271 D1 DE 3778271D1
Authority
DE
Germany
Prior art keywords
linearizer
tube amplifiers
walking tube
walking
amplifiers
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
Application number
DE8787307604T
Other languages
English (en)
Inventor
David C M Pham
Allan Podell
John A Steck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Application granted granted Critical
Publication of DE3778271D1 publication Critical patent/DE3778271D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
DE8787307604T 1986-09-26 1987-08-27 Linearisierer fuer wanderfeldroehrenverstaerker. Expired - Lifetime DE3778271D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/912,448 US4752743A (en) 1986-09-26 1986-09-26 Linearizer for TWT amplifiers

Publications (1)

Publication Number Publication Date
DE3778271D1 true DE3778271D1 (de) 1992-05-21

Family

ID=25431940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787307604T Expired - Lifetime DE3778271D1 (de) 1986-09-26 1987-08-27 Linearisierer fuer wanderfeldroehrenverstaerker.

Country Status (4)

Country Link
US (1) US4752743A (de)
EP (1) EP0261813B1 (de)
JP (1) JP2529114B2 (de)
DE (1) DE3778271D1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210633A (en) * 1990-09-12 1993-05-11 General Instrument Corporation Apparatus and method for linearizing the operation of an external optical modulator
US5172068A (en) * 1990-09-17 1992-12-15 Amoco Corporation Third-order predistortion linearization circuit
US5394113A (en) * 1992-08-28 1995-02-28 Harris Corporation High impedance low-distortion linear amplifier
CA2120965A1 (en) * 1993-04-14 1994-10-15 Katsumi Uesaka Distortion generating circuit
JPH06300943A (ja) * 1993-04-16 1994-10-28 Sumitomo Electric Ind Ltd 半導体素子モジュール
US5523716A (en) * 1994-10-13 1996-06-04 Hughes Aircraft Company Microwave predistortion linearizer
US5838195A (en) * 1996-08-06 1998-11-17 Northrop Grumman Corporation Reduction of second order harmonic distortion in high power TWT amplifiers
US5789978A (en) * 1996-11-25 1998-08-04 Space Systems/Loral, Inc. Ku-band linearizer bridge
FI103743B1 (fi) * 1997-08-27 1999-08-31 Insinoeoeritoimisto Juhana Yli Linearisointipiiri
US6204718B1 (en) * 1999-06-25 2001-03-20 Scientific-Atlanta, Inc. Method and apparatus for generating second-order predistortion without third-order distortion
US6255908B1 (en) 1999-09-03 2001-07-03 Amplix Temperature compensated and digitally controlled amplitude and phase channel amplifier linearizer for multi-carrier amplification systems
US6188279B1 (en) * 1999-11-03 2001-02-13 Space Systems/Loral, Inc. Low cost miniature broadband linearizer
US7242725B2 (en) * 2003-04-02 2007-07-10 Harris Stratex Networks Operating Corporation Adaptive broadband post-distortion receiver for digital radio communication system
JP4546052B2 (ja) * 2003-07-24 2010-09-15 日本電気株式会社 Ａｍ−ｐｍ歪補償回路および方法
JP4739717B2 (ja) * 2004-09-21 2011-08-03 古野電気株式会社 歪補償回路
WO2006046294A1 (ja) * 2004-10-28 2006-05-04 Mitsubishi Denki Kabushiki Kaisha リニアライザ
US7596326B2 (en) * 2005-10-27 2009-09-29 Emcore Corporation Distortion cancellation circuitry for optical receivers
US7634198B2 (en) * 2006-06-21 2009-12-15 Emcore Corporation In-line distortion cancellation circuits for linearization of electronic and optical signals with phase and frequency adjustment
US7508266B1 (en) 2006-08-29 2009-03-24 Pmc-Sierra, Inc. Method for enhancing linearity of a transistor amplifier using switched capacitive loads
CN101127534B (zh) * 2007-08-14 2010-05-26 锐德科无线通信技术(上海)有限公司 模拟预失真电路及方法
CN103580658B (zh) * 2013-11-07 2016-06-29 中国电子科技集团公司第四十一研究所 一种射频开关电路
US9625515B2 (en) 2014-06-09 2017-04-18 Communications & Power Industries Llc Predicting the end of service life for a vacuum electron device
CN113285679B (zh) * 2021-04-23 2022-08-23 中国电子科技集团公司第二十九研究所 一种超宽带小型化幅度扩张电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210680A (en) * 1962-12-24 1965-10-05 Collins Radio Co Audio signal variable attentuating circuit
DE214167C (de) * 1970-09-23 Communications Satellite Corp
DE2140851B2 (de) * 1971-08-14 1976-03-11 Rohde & Schwarz, 8000 München Schaltung zum erzeugen einer vorbestimmten, zur kompensation der nichtlinearitaeten eines nachgeschalteten verstaerkers dienenden und hierzu komplementaeren vorverzerrung eines hochfrequenz-, insbesondere eines fernseh- signals
GB1419519A (en) * 1972-10-02 1975-12-31 Pye Ltd Correcting amplifier non-linearity
FR2204334A5 (de) * 1972-10-20 1974-05-17 Thomson Csf

Also Published As

Publication number Publication date
US4752743A (en) 1988-06-21
JPS6386603A (ja) 1988-04-18
JP2529114B2 (ja) 1996-08-28
EP0261813A2 (de) 1988-03-30
EP0261813B1 (de) 1992-04-15
EP0261813A3 (en) 1989-02-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee