GB9425845D0 - Receiver circuit - Google Patents

Receiver circuit

Info

Publication number
GB9425845D0
GB9425845D0 GBGB9425845.6A GB9425845A GB9425845D0 GB 9425845 D0 GB9425845 D0 GB 9425845D0 GB 9425845 A GB9425845 A GB 9425845A GB 9425845 D0 GB9425845 D0 GB 9425845D0
Authority
GB
United Kingdom
Prior art keywords
receiver circuit
receiver
circuit
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Withdrawn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
GBGB9425845.6A
Other versions
GB2296615A (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.)
University of Bristol
Original Assignee
University of Bristol
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 University of Bristol filed Critical University of Bristol
Priority to GB9425845A priority Critical patent/GB2296615A/en
Publication of GB9425845D0 publication Critical patent/GB9425845D0/en
Priority to PCT/GB1995/003000 priority patent/WO1996019864A1/en
Priority to EP95941787A priority patent/EP0799523A1/en
Priority to AU43091/96A priority patent/AU4309196A/en
Publication of GB2296615A publication Critical patent/GB2296615A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
GB9425845A 1994-12-21 1994-12-21 Distortion and noise reduction in wide band feedforward amplifier/mixer Withdrawn GB2296615A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9425845A GB2296615A (en) 1994-12-21 1994-12-21 Distortion and noise reduction in wide band feedforward amplifier/mixer
PCT/GB1995/003000 WO1996019864A1 (en) 1994-12-21 1995-12-21 Receiver circuit
EP95941787A EP0799523A1 (en) 1994-12-21 1995-12-21 Receiver circuit
AU43091/96A AU4309196A (en) 1994-12-21 1995-12-21 Receiver circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9425845A GB2296615A (en) 1994-12-21 1994-12-21 Distortion and noise reduction in wide band feedforward amplifier/mixer

Publications (2)

Publication Number Publication Date
GB9425845D0 true GB9425845D0 (en) 1995-03-01
GB2296615A GB2296615A (en) 1996-07-03

Family

ID=10766317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9425845A Withdrawn GB2296615A (en) 1994-12-21 1994-12-21 Distortion and noise reduction in wide band feedforward amplifier/mixer

Country Status (4)

Country Link
EP (1) EP0799523A1 (en)
AU (1) AU4309196A (en)
GB (1) GB2296615A (en)
WO (1) WO1996019864A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5862459A (en) * 1996-08-27 1999-01-19 Telefonaktiebolaget Lm Ericsson Method of and apparatus for filtering intermodulation products in a radiocommunication system
GB9801123D0 (en) * 1998-01-21 1998-03-18 Secr Defence Mixer circuit
GB9804744D0 (en) * 1998-03-06 1998-04-29 Wireless Systems Int Ltd Feed forward amplifier
US6097324A (en) * 1998-06-17 2000-08-01 Lucent Technologies Inc. Method and apparatus for extending the spurious free dynamic range of an analog-to-digital converter
US6339701B1 (en) 1998-06-17 2002-01-15 Lucent Technologies, Inc. Method and apparatus for extending the dynamic range of a frequency mixer
US6363120B1 (en) 1998-06-17 2002-03-26 Lucent Technologies Inc. Apparatus and method for extending the dynamic range of a mixer using feed forward distortion reduction
GB2339917A (en) * 1998-07-21 2000-02-09 Ifr Limited Generating a multitone test signal
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
US6714775B1 (en) 2000-02-24 2004-03-30 Veridian Engineering, Inc. Interference canceller
US6525603B1 (en) * 2001-01-05 2003-02-25 Remec, Inc. Feedforward amplifier linearization adapting off modulation
DE60204823T2 (en) 2001-07-05 2005-12-29 Pfizer Products Inc., Groton Heterocyclo-alkylsulfonyl-pyrazoles as anti-inflammatory / analgesic agents
CN107332521A (en) * 2017-05-31 2017-11-07 苏州真感微电子科技有限公司 High accuracy, low drifting, low imbalance, the chopper amplifier of low noise
CN109974799B (en) * 2019-04-19 2020-09-08 合肥工业大学 Self-adaptive electromagnetic flowmeter polarization noise cancellation system based on feedforward control
TR202000842A1 (en) * 2020-01-20 2021-07-26 Aselsan Elektronik Sanayi Ve Ticaret Anonim Sirketi AN ANALOGUE NOISE GENERATOR

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB802218A (en) * 1955-10-21 1958-10-01 Standard Telephones Cables Ltd Circuit for reducing the effect of delay distortion of amplifier systems on angularly modulated waves
US3886470A (en) * 1973-12-04 1975-05-27 Amplifier Design And Service I Feed-forward amplifier system
DE2915947A1 (en) * 1979-04-20 1980-11-06 Siemens Ag CIRCUIT ARRANGEMENT FOR REDUCING AMPLITUDE-DEPENDENT DISTORTIONS IN OVERLAY RECEIVERS
GB2227907B (en) * 1979-12-01 1990-11-14 Plessey Co Ltd Improvements now relating to interference suppressors
GB2254505B (en) * 1990-04-25 1993-05-05 British Tech Group Apparatus and method for reducing distortion in amplification
US5117197A (en) * 1990-11-09 1992-05-26 Hughes Aircraft Company High-power feed-forward microwave amplifier apparatus with out-of-band intermodulation product suppression
US5396655A (en) * 1992-11-30 1995-03-07 At&T Corp. Adaptive canceler for contiguous band filtering
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control

Also Published As

Publication number Publication date
EP0799523A1 (en) 1997-10-08
GB2296615A (en) 1996-07-03
AU4309196A (en) 1996-07-10
WO1996019864A1 (en) 1996-06-27

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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)