CA921993A - Feed-forward amplifier having arbitrary gain-frequency characteristic - Google Patents

Feed-forward amplifier having arbitrary gain-frequency characteristic

Info

Publication number
CA921993A
CA921993A CA109473A CA109473A CA921993A CA 921993 A CA921993 A CA 921993A CA 109473 A CA109473 A CA 109473A CA 109473 A CA109473 A CA 109473A CA 921993 A CA921993 A CA 921993A
Authority
CA
Canada
Prior art keywords
feed
frequency characteristic
forward amplifier
arbitrary gain
gain
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
Application number
CA109473A
Other languages
English (en)
Other versions
CA109473S (en
Inventor
R. Beurrier Henry
Seidel Harold
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA921993A publication Critical patent/CA921993A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00Networks using active elements
    • H03H11/02Multiple-port networks
    • H03H11/04Frequency selective two-port networks
    • H03H11/12Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/06Control of transmission; Equalising by the transmitted signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/12Arrangements for reducing cross-talk between channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CA109473A 1970-09-04 1971-04-02 Feed-forward amplifier having arbitrary gain-frequency characteristic Expired CA921993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6975770A 1970-09-04 1970-09-04

Publications (1)

Publication Number Publication Date
CA921993A true CA921993A (en) 1973-02-27

Family

ID=22091025

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109473A Expired CA921993A (en) 1970-09-04 1971-04-02 Feed-forward amplifier having arbitrary gain-frequency characteristic

Country Status (9)

Country Link
US (1) US3667065A (de)
AU (1) AU461095B2 (de)
BE (1) BE772159A (de)
CA (1) CA921993A (de)
DE (1) DE2143707C3 (de)
FR (1) FR2107272A5 (de)
GB (1) GB1341717A (de)
NL (1) NL7111924A (de)
SE (1) SE362757B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763437A (en) * 1972-03-15 1973-10-02 Bell Telephone Labor Inc Frequency-shaped amplifier with pedestal amplifying stage
US3886470A (en) * 1973-12-04 1975-05-27 Amplifier Design And Service I Feed-forward amplifier system
FR2312152A1 (fr) * 1975-05-23 1976-12-17 Lgt Lab Gen Telecomm Generateur de produits de non linearite et precorrecteur de systeme de transmission utilisant un tel generateur
US3993961A (en) * 1975-10-31 1976-11-23 Bell Telephone Laboratories, Incorporated Overcompensated feedforward method and apparatus using overdistorted main amplifiers
US4028634A (en) * 1976-02-11 1977-06-07 Bell Telephone Laboratories, Incorporated Feed-forward amplifier with simple resistive coupling
JPS5910094B2 (ja) * 1978-04-12 1984-03-07 日本電気株式会社 振幅等化装置
US4348642A (en) * 1980-08-29 1982-09-07 Rockwell International Corporation Feedforward wideband amplifier
US4394624A (en) * 1981-08-07 1983-07-19 The United States Of America As Represented By The Secretary Of The Navy Channelized feed-forward system
US4583049A (en) * 1984-06-15 1986-04-15 Trw Inc. Feed-forward circuit
US4801901A (en) * 1987-03-13 1989-01-31 Hittite Microwave Corporation Non-ferrite non-reciprocal phase shifter and circulator
DE4301916A1 (de) * 1993-01-25 1994-08-11 Arthur Wolf HF-Fernsprechverstärker
US5955916A (en) * 1994-11-23 1999-09-21 Lucent Technologies Inc. Modulator linear feed-forward amplifier
US7142625B2 (en) * 2003-11-07 2006-11-28 Jones James L Nuclear material detection apparatus and method
US7091781B2 (en) * 2004-10-29 2006-08-15 Motorola, Inc. Wideband feed forward linear power amplifier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541467A (en) * 1969-04-25 1970-11-17 Bell Telephone Labor Inc Feed-forward amplifier with frequency shaping

Also Published As

Publication number Publication date
AU3286371A (en) 1973-03-08
BE772159A (fr) 1972-01-17
AU461095B2 (en) 1975-05-15
FR2107272A5 (de) 1972-05-05
DE2143707B2 (de) 1979-12-20
GB1341717A (en) 1973-12-25
SE362757B (de) 1973-12-17
DE2143707C3 (de) 1980-08-14
DE2143707A1 (de) 1972-03-09
NL7111924A (de) 1972-03-07
US3667065A (en) 1972-05-30

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