GB1395545A - Equalizers - Google Patents

Equalizers

Info

Publication number
GB1395545A
GB1395545A GB3506772A GB3506772A GB1395545A GB 1395545 A GB1395545 A GB 1395545A GB 3506772 A GB3506772 A GB 3506772A GB 3506772 A GB3506772 A GB 3506772A GB 1395545 A GB1395545 A GB 1395545A
Authority
GB
United Kingdom
Prior art keywords
july
amplifiers
elements
resistors
equalizers
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
GB3506772A
Other languages
English (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.)
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
Publication of GB1395545A publication Critical patent/GB1395545A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1252—Two integrator-loop-filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Amplifiers (AREA)
GB3506772A 1971-07-29 1972-07-27 Equalizers Expired GB1395545A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16724271A 1971-07-29 1971-07-29

Publications (1)

Publication Number Publication Date
GB1395545A true GB1395545A (en) 1975-05-29

Family

ID=22606539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3506772A Expired GB1395545A (en) 1971-07-29 1972-07-27 Equalizers

Country Status (9)

Country Link
US (1) US3715680A (enExample)
AU (1) AU476471B2 (enExample)
BE (1) BE786756A (enExample)
CA (1) CA944444A (enExample)
DE (1) DE2236318A1 (enExample)
FR (1) FR2147304B1 (enExample)
GB (1) GB1395545A (enExample)
IT (1) IT964774B (enExample)
NL (1) NL7210185A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1442163A (en) * 1973-10-01 1976-07-07 Post Office Arrangement for simulating inductance and filter networks incorpo rating such improvements
GB1547362A (en) * 1975-03-24 1979-06-13 Post Office Active amplitude equalizers
US4424499A (en) 1980-02-11 1984-01-03 Reliance Electric Company Equalizer circuit for a repeater
NL8401370A (nl) * 1984-05-01 1985-12-02 Philips Nv Filterschakeling.
DE4325790C1 (de) * 1993-07-31 1995-04-27 Pko Osmo Telcom Gmbh Entzerrer
DE19837574A1 (de) * 1998-08-19 2000-02-24 Philips Corp Intellectual Pty Aktive elektronische Filterschaltung

Also Published As

Publication number Publication date
BE786756A (fr) 1972-11-16
AU476471B2 (en) 1976-09-23
NL7210185A (enExample) 1973-01-31
FR2147304A1 (enExample) 1973-03-09
FR2147304B1 (enExample) 1980-03-21
AU4494872A (en) 1974-01-31
IT964774B (it) 1974-01-31
DE2236318A1 (de) 1973-02-08
CA944444A (en) 1974-03-26
US3715680A (en) 1973-02-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee