AU7462896A - Wideband power amplifier control systems - Google Patents

Wideband power amplifier control systems

Info

Publication number
AU7462896A
AU7462896A AU74628/96A AU7462896A AU7462896A AU 7462896 A AU7462896 A AU 7462896A AU 74628/96 A AU74628/96 A AU 74628/96A AU 7462896 A AU7462896 A AU 7462896A AU 7462896 A AU7462896 A AU 7462896A
Authority
AU
Australia
Prior art keywords
signal
output
power amplifier
control
carrier
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.)
Abandoned
Application number
AU74628/96A
Other languages
English (en)
Inventor
Joseph L. Clark
Leroy Plymale Jr.
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of AU7462896A publication Critical patent/AU7462896A/en
Abandoned 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
    • H03F1/3223—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
    • H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
AU74628/96A 1995-08-23 1996-06-25 Wideband power amplifier control systems Abandoned AU7462896A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US51828795A 1995-08-23 1995-08-23
US518287 1995-08-23
PCT/US1996/010827 WO1997008822A1 (fr) 1995-08-23 1996-06-25 Systemes de commande d'amplificateur de puissance a bande large

Publications (1)

Publication Number Publication Date
AU7462896A true AU7462896A (en) 1997-03-19

Family

ID=24063320

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74628/96A Abandoned AU7462896A (en) 1995-08-23 1996-06-25 Wideband power amplifier control systems

Country Status (2)

Country Link
AU (1) AU7462896A (fr)
WO (1) WO1997008822A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963091A (en) * 1998-04-01 1999-10-05 Chen; Jiunn-Tsair Article comprising a power amplifier with feed forward linearizer using a RLS parameter tracking algorithm
US6493543B1 (en) * 1998-10-19 2002-12-10 Powerwave Technologies, Inc. Multichannel amplification system using mask detection
US6144255A (en) * 1998-10-19 2000-11-07 Powerwave Technologies, Inc. Feedforward amplification system having mask detection compensation
US6147555A (en) * 1998-10-19 2000-11-14 Powerwave Technologies, Inc. Amplification system having mask detection
US6140874A (en) * 1998-10-19 2000-10-31 Powerwave Technologies, Inc. Amplification system having mask detection and bias compensation
US6118339A (en) * 1998-10-19 2000-09-12 Powerwave Technologies, Inc. Amplification system using baseband mixer
EP1245077B1 (fr) * 2000-01-07 2011-08-24 Powerwave Technologies, Inc. Mécanisme de suppression de la porteuse pour détecteur à balayage utilisé pour mesurer et corriger une distorsion d'amplificateur de puissance haute fréquence
US20020146996A1 (en) 2001-03-06 2002-10-10 Bachman Thomas A. Scanning receiver for use in power amplifier linearization
US6829471B2 (en) 2001-03-07 2004-12-07 Andrew Corporation Digital baseband receiver in a multi-carrier power amplifier
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
US7403573B2 (en) 2003-01-15 2008-07-22 Andrew Corporation Uncorrelated adaptive predistorter
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885551A (en) * 1988-10-31 1989-12-05 American Telephone And Telegraph Company At&T Bell Laboratories Feed forward linear amplifier
US5489875A (en) * 1994-09-21 1996-02-06 Simon Fraser University Adaptive feedforward linearizer for RF power amplifiers

Also Published As

Publication number Publication date
WO1997008822A1 (fr) 1997-03-06

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