DE69804193T2 - Pilottondetektionsschaltung für Steuerungssystem zur Reduzierung der durch elektrische Schaltungen erzeugten Entzerrung - Google Patents

Pilottondetektionsschaltung für Steuerungssystem zur Reduzierung der durch elektrische Schaltungen erzeugten Entzerrung

Info

Publication number
DE69804193T2
DE69804193T2 DE69804193T DE69804193T DE69804193T2 DE 69804193 T2 DE69804193 T2 DE 69804193T2 DE 69804193 T DE69804193 T DE 69804193T DE 69804193 T DE69804193 T DE 69804193T DE 69804193 T2 DE69804193 T2 DE 69804193T2
Authority
DE
Germany
Prior art keywords
reduce
control system
detection circuit
electrical circuits
pilot detection
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
DE69804193T
Other languages
English (en)
Other versions
DE69804193D1 (de
Inventor
Robert Evan Myer
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69804193D1 publication Critical patent/DE69804193D1/de
Publication of DE69804193T2 publication Critical patent/DE69804193T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Amplifiers (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE69804193T 1997-12-12 1998-12-01 Pilottondetektionsschaltung für Steuerungssystem zur Reduzierung der durch elektrische Schaltungen erzeugten Entzerrung Expired - Lifetime DE69804193T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/989,529 US6094096A (en) 1997-12-12 1997-12-12 Pilot detection for a control system that reduces distortion produced by electrical circuits

Publications (2)

Publication Number Publication Date
DE69804193D1 DE69804193D1 (de) 2002-04-18
DE69804193T2 true DE69804193T2 (de) 2002-10-02

Family

ID=25535188

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804193T Expired - Lifetime DE69804193T2 (de) 1997-12-12 1998-12-01 Pilottondetektionsschaltung für Steuerungssystem zur Reduzierung der durch elektrische Schaltungen erzeugten Entzerrung

Country Status (9)

Country Link
US (1) US6094096A (de)
EP (1) EP0923193B1 (de)
JP (1) JPH11355070A (de)
KR (1) KR100340376B1 (de)
CN (1) CN1128511C (de)
BR (1) BR9805344A (de)
CA (1) CA2254229C (de)
DE (1) DE69804193T2 (de)
TW (1) TW406485B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411644B1 (en) * 1998-09-29 2002-06-25 Lucent Technologies Inc. Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits
JP4015782B2 (ja) * 1998-10-22 2007-11-28 日本無線株式会社 フィードフォワード非線形歪補償増幅器
JP3951495B2 (ja) * 1999-03-18 2007-08-01 株式会社日立製作所 進行波型電力合成回路及び無線基地局
JP2001339251A (ja) * 2000-05-25 2001-12-07 Mitsubishi Electric Corp フィードフォワード増幅器
US7038540B2 (en) * 2003-02-14 2006-05-02 Powerwave Technologies, Inc. Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier
US6985706B2 (en) * 2003-01-23 2006-01-10 Powerwave Technologies, Inc. Feed forward amplifier system employing self-generating alignment lists and adaptive controller
US8594244B2 (en) * 2009-04-06 2013-11-26 Mediatek Inc. Data signal phase reversal correction method and system implementing the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR907911A (fr) * 1946-06-21 1946-03-26 Arbel Ets Wagon à déchargement automatique, utilisable notamment pour l'empierrement des voies ferrées
GB803974A (en) * 1954-12-04 1958-11-05 Mason & Sons Ltd E N Means for tracking an apron round roller, cylinder or like rotary means
GB2238195A (en) * 1989-11-16 1991-05-22 Motorola Inc Feed forward amplifier with pilot tone cancellation
GB2238196A (en) * 1989-11-16 1991-05-22 Motorola Inc Feed forward amplifier with pre-distortion
WO1994014238A1 (en) * 1992-12-15 1994-06-23 British Technology Group Limited Method and apparatus for signal processing using reference signals
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control
US5610554A (en) * 1994-07-28 1997-03-11 Aval Communications Inc. Cancellation loop, for a feed-forward amplifier, employing an adaptive controller
US5455537A (en) * 1994-08-19 1995-10-03 Radio Frequency Systems, Inc. Feed forward amplifier
US5644268A (en) * 1995-01-06 1997-07-01 Spectrian, Inc. Feed forward RF amplifier for combined signal and error amplification
US5796304A (en) * 1996-04-24 1998-08-18 Powerwave Technologies, Inc. Broadband amplifier with quadrature pilot signal
US5808512A (en) * 1997-01-31 1998-09-15 Ophir Rf, Inc. Feed forward amplifiers and methods
US5874856A (en) * 1997-06-30 1999-02-23 Motorola, Inc. Feed forward amplifier

Also Published As

Publication number Publication date
KR100340376B1 (ko) 2002-11-18
JPH11355070A (ja) 1999-12-24
TW406485B (en) 2000-09-21
CA2254229A1 (en) 1999-06-12
CN1128511C (zh) 2003-11-19
BR9805344A (pt) 1999-11-09
KR19990062983A (ko) 1999-07-26
CN1219806A (zh) 1999-06-16
CA2254229C (en) 2001-12-18
US6094096A (en) 2000-07-25
EP0923193A1 (de) 1999-06-16
EP0923193B1 (de) 2002-03-13
DE69804193D1 (de) 2002-04-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition