DE69826766D1 - Vorverzerrung zur Linearitätsverbesserung eines Verstärkers - Google Patents

Vorverzerrung zur Linearitätsverbesserung eines Verstärkers

Info

Publication number
DE69826766D1
DE69826766D1 DE69826766T DE69826766T DE69826766D1 DE 69826766 D1 DE69826766 D1 DE 69826766D1 DE 69826766 T DE69826766 T DE 69826766T DE 69826766 T DE69826766 T DE 69826766T DE 69826766 D1 DE69826766 D1 DE 69826766D1
Authority
DE
Germany
Prior art keywords
predistortion
linearity
amplifier
improve
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 - Fee Related
Application number
DE69826766T
Other languages
English (en)
Other versions
DE69826766T2 (de
Inventor
Xiangdong Zhang
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.)
Cobham Advanced Electronic Solutions Inc
Original Assignee
Whitaker LLC
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 Whitaker LLC filed Critical Whitaker LLC
Application granted granted Critical
Publication of DE69826766D1 publication Critical patent/DE69826766D1/de
Publication of DE69826766T2 publication Critical patent/DE69826766T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
DE69826766T 1997-06-27 1998-06-25 Vorverzerrung zur Linearitätsverbesserung eines Verstärkers Expired - Fee Related DE69826766T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/884,424 US6091295A (en) 1997-06-27 1997-06-27 Predistortion to improve linearity of an amplifier
US884424 1997-06-27

Publications (2)

Publication Number Publication Date
DE69826766D1 true DE69826766D1 (de) 2004-11-11
DE69826766T2 DE69826766T2 (de) 2005-11-17

Family

ID=25384602

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69826766T Expired - Fee Related DE69826766T2 (de) 1997-06-27 1998-06-25 Vorverzerrung zur Linearitätsverbesserung eines Verstärkers

Country Status (4)

Country Link
US (2) US6091295A (de)
EP (1) EP0887922B1 (de)
JP (1) JPH1168471A (de)
DE (1) DE69826766T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6091295A (en) * 1997-06-27 2000-07-18 The Whitaker Corporation Predistortion to improve linearity of an amplifier
JP3973486B2 (ja) 2002-05-24 2007-09-12 Ｎｅｃエレクトロニクス株式会社 可変利得増幅器及び差動増幅器
US7729668B2 (en) 2003-04-03 2010-06-01 Andrew Llc Independence between paths that predistort for memory and memory-less distortion in power amplifiers
US7259630B2 (en) * 2003-07-23 2007-08-21 Andrew Corporation Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter
US6963242B2 (en) * 2003-07-31 2005-11-08 Andrew Corporation Predistorter for phase modulated signals with low peak to average ratios
US7023273B2 (en) * 2003-10-06 2006-04-04 Andrew Corporation Architecture and implementation methods of digital predistortion circuitry
US20050140439A1 (en) * 2003-12-26 2005-06-30 Hyoung Chang H. Predistortion linearizer for power amplifier
US7205908B2 (en) * 2004-03-18 2007-04-17 Gallen Ka Leung Tsui Systems and methods for proximity control of a barrier
US7170426B2 (en) * 2004-03-18 2007-01-30 Gallen Ka Leung Tsui Systems and methods for proximity control of a barrier
CA2471975C (en) * 2004-03-18 2006-01-24 Gallen Ka Leung Tsui Systems and methods for proximity control of a barrier
EP1935026A1 (de) 2005-10-12 2008-06-25 Acco Feldeffekttransistor mit isoliertem gate mit einem dummie-gate
JP2008079097A (ja) * 2006-09-22 2008-04-03 Sharp Corp 増幅回路及び電子機器
US8928410B2 (en) 2008-02-13 2015-01-06 Acco Semiconductor, Inc. Electronic circuits including a MOSFET and a dual-gate JFET
US7969243B2 (en) * 2009-04-22 2011-06-28 Acco Semiconductor, Inc. Electronic circuits including a MOSFET and a dual-gate JFET
US7863645B2 (en) * 2008-02-13 2011-01-04 ACCO Semiconductor Inc. High breakdown voltage double-gate semiconductor device
US9240402B2 (en) 2008-02-13 2016-01-19 Acco Semiconductor, Inc. Electronic circuits including a MOSFET and a dual-gate JFET
US8212291B2 (en) * 2008-03-12 2012-07-03 Georgia Tech Research Corporation Inverse mode SiGe HBT cascode device and fabrication method
JP2009253918A (ja) * 2008-04-10 2009-10-29 Panasonic Corp 高周波電力増幅器および通信装置
US7936220B2 (en) * 2008-12-12 2011-05-03 Qualcomm, Incorporated Techniques for improving amplifier linearity
US7808415B1 (en) * 2009-03-25 2010-10-05 Acco Semiconductor, Inc. Sigma-delta modulator including truncation and applications thereof
US8847689B2 (en) * 2009-08-19 2014-09-30 Qualcomm Incorporated Stacked amplifier with diode-based biasing
US7952431B2 (en) * 2009-08-28 2011-05-31 Acco Semiconductor, Inc. Linearization circuits and methods for power amplification
US8532584B2 (en) 2010-04-30 2013-09-10 Acco Semiconductor, Inc. RF switches
US8305142B2 (en) 2010-12-03 2012-11-06 Linear Technology Corporation Third order intermodulation cancellation by in-line generated signal
US10574190B2 (en) 2015-05-06 2020-02-25 Skyworks Solutions, Inc. RF power amplifiers with diode linearizer
TWI647905B (zh) 2017-02-15 2019-01-11 立積電子股份有限公司 用於對放大器的線性度進行補償的前置補償器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7104636A (de) * 1971-04-07 1972-10-10
DE2203632A1 (de) * 1972-01-26 1973-08-02 Siemens Ag Schaltungsanordnung zur verbesserung der kreuz- und intermodulationseigenschaften eines hochfrequenzverstaerkers
US4156283A (en) * 1972-05-30 1979-05-22 Tektronix, Inc. Multiplier circuit
US4075574A (en) * 1975-10-16 1978-02-21 Tektronix, Inc. Wideband differential amplifier
US5132639A (en) * 1989-09-07 1992-07-21 Ortel Corporation Predistorter for linearization of electronic and optical signals
US5252930A (en) * 1989-09-07 1993-10-12 Ortel Corporation Predistorter for linearization of electronic and optical signals
US4992754B1 (en) * 1989-09-07 1997-10-28 Ortel Corp Predistorter for linearization of electronic and optical signals
US5119392A (en) * 1990-11-21 1992-06-02 Gte Laboratories Incorporated Second-order predistortion circuit for use with laser diode
US5221908A (en) * 1991-11-29 1993-06-22 General Electric Co. Wideband integrated distortion equalizer
US5436749A (en) * 1991-12-09 1995-07-25 Scientific-Atlanta, Inc. Method and apparatus for predistortion
GB2263034B (en) * 1991-12-30 1996-05-01 Harris Corp Radio frequency amplifiers
US5451906A (en) * 1994-05-03 1995-09-19 Motorola, Inc. Circuit for compensating an amplifier
DE69426776T2 (de) * 1994-12-27 2001-06-13 St Microelectronics Srl Analog-Multiplizierer mit niedrigem Verbrauch
JP2983160B2 (ja) * 1995-10-06 1999-11-29 八木アンテナ株式会社 高周波増幅装置
US5808511A (en) * 1996-08-09 1998-09-15 Trw Inc. Active feedback pre-distortion linearization
US6091295A (en) * 1997-06-27 2000-07-18 The Whitaker Corporation Predistortion to improve linearity of an amplifier

Also Published As

Publication number Publication date
US6414545B1 (en) 2002-07-02
JPH1168471A (ja) 1999-03-09
DE69826766T2 (de) 2005-11-17
US6091295A (en) 2000-07-18
EP0887922B1 (de) 2004-10-06
EP0887922A1 (de) 1998-12-30

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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
8327 Change in the person/name/address of the patent owner

Owner name: COBHAM DEFENSE ELECTRONIC SYSTEMS CORP., BOLTO, US

8328 Change in the person/name/address of the agent

Representative=s name: WAGNER & GEYER PARTNERSCHAFT PATENT- UND RECHTSANW