GB8429120D0 - Feedforward amplifiers - Google Patents

Feedforward amplifiers

Info

Publication number
GB8429120D0
GB8429120D0 GB848429120A GB8429120A GB8429120D0 GB 8429120 D0 GB8429120 D0 GB 8429120D0 GB 848429120 A GB848429120 A GB 848429120A GB 8429120 A GB8429120 A GB 8429120A GB 8429120 D0 GB8429120 D0 GB 8429120D0
Authority
GB
United Kingdom
Prior art keywords
feedforward amplifiers
feedforward
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.)
Withdrawn
Application number
GB848429120A
Other versions
GB2167256A (en
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.)
Racal Communications Equipment Ltd
Original Assignee
Racal Communications Equipment Ltd
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 Racal Communications Equipment Ltd filed Critical Racal Communications Equipment Ltd
Priority to GB08429120A priority Critical patent/GB2167256A/en
Publication of GB8429120D0 publication Critical patent/GB8429120D0/en
Publication of GB2167256A publication Critical patent/GB2167256A/en
Withdrawn legal-status Critical Current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)
GB08429120A 1984-11-17 1984-11-17 Feedforward amplifiers Withdrawn GB2167256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08429120A GB2167256A (en) 1984-11-17 1984-11-17 Feedforward amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08429120A GB2167256A (en) 1984-11-17 1984-11-17 Feedforward amplifiers

Publications (2)

Publication Number Publication Date
GB8429120D0 true GB8429120D0 (en) 1984-12-27
GB2167256A GB2167256A (en) 1986-05-21

Family

ID=10569900

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08429120A Withdrawn GB2167256A (en) 1984-11-17 1984-11-17 Feedforward amplifiers

Country Status (1)

Country Link
GB (1) GB2167256A (en)

Families Citing this family (10)

* 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
GB2238197A (en) * 1989-11-16 1991-05-22 Motorola Inc Feed-forward amplifier with amplitude and phase pre-correction
GB2238196A (en) * 1989-11-16 1991-05-22 Motorola Inc Feed forward amplifier with pre-distortion
GB9009295D0 (en) * 1990-04-25 1990-06-20 Kenington Peter B Apparatus and method for reducing distortion in amplification
US5334946A (en) * 1990-04-25 1994-08-02 British Technology Group Limited Apparatus and method for reducing distortion in amplification
US5148117A (en) * 1991-11-25 1992-09-15 American Nucleonics Corporation Adaptive feed-forward method and apparatus for amplifier noise reduction
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control
US5489875A (en) * 1994-09-21 1996-02-06 Simon Fraser University Adaptive feedforward linearizer for RF power amplifiers
US5768699A (en) * 1995-10-20 1998-06-16 Aml Communications, Inc. Amplifier with detuned test signal cancellation for improved wide-band frequency response
AU1959597A (en) * 1996-05-17 1997-12-09 Motorola, Inc. Error path control for feed-forward amplifier

Also Published As

Publication number Publication date
GB2167256A (en) 1986-05-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)