DE2626267A1 - Aktive schaltungsanordnung und deren anwendung - Google Patents

Aktive schaltungsanordnung und deren anwendung

Info

Publication number
DE2626267A1
DE2626267A1 DE19762626267 DE2626267A DE2626267A1 DE 2626267 A1 DE2626267 A1 DE 2626267A1 DE 19762626267 DE19762626267 DE 19762626267 DE 2626267 A DE2626267 A DE 2626267A DE 2626267 A1 DE2626267 A1 DE 2626267A1
Authority
DE
Germany
Prior art keywords
resistor
output
operational amplifier
amplifier
capacitor
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.)
Ceased
Application number
DE19762626267
Other languages
German (de)
English (en)
Inventor
Philip Ernest Greenaway
John Mortimer Rollett
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of DE2626267A1 publication Critical patent/DE2626267A1/de
Ceased 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
    • H03H11/08—Frequency selective two-port networks using gyrators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/40—Impedance converters
    • H03H11/42—Gyrators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Networks Using Active Elements (AREA)
  • Manipulation Of Pulses (AREA)
DE19762626267 1975-06-11 1976-06-11 Aktive schaltungsanordnung und deren anwendung Ceased DE2626267A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25103/75A GB1532983A (en) 1975-06-11 1975-06-11 Active networks and signalling equipment

Publications (1)

Publication Number Publication Date
DE2626267A1 true DE2626267A1 (de) 1976-12-30

Family

ID=10222269

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762626267 Ceased DE2626267A1 (de) 1975-06-11 1976-06-11 Aktive schaltungsanordnung und deren anwendung

Country Status (4)

Country Link
US (1) US4051385A (enExample)
DE (1) DE2626267A1 (enExample)
FR (1) FR2314616A1 (enExample)
GB (1) GB1532983A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100515A (en) * 1977-05-05 1978-07-11 Wescom, Inc. Communication circuit having precision capacitor multiplier
NL8105255A (nl) * 1981-11-20 1983-06-16 Philips Nv Filterschakeling uitgevoerd met een verschilversterker.
US4496859A (en) * 1982-09-30 1985-01-29 Barcus-Berry, Inc. Notch filter system
US5263192A (en) * 1992-04-06 1993-11-16 Motorola, Inc. Integrated resonant circuit with temperature compensated quality factor
US6232832B1 (en) * 1994-07-19 2001-05-15 Honeywell International Inc Circuit for limiting an output voltage to a percent of a variable supply voltage
DE10012519B4 (de) * 2000-03-15 2014-12-11 Sennheiser Electronic Gmbh & Co. Kg Drahtlosmikrofon mit einem Mikrofonverstärker
GB2365235B (en) * 2000-07-20 2004-07-21 British Broadcasting Corp A circuit for simulating an impedance
DE10063917A1 (de) * 2000-12-20 2002-06-27 Elac Electroacustic Gmbh Lautsprecher-Schaltung
US8536934B1 (en) * 2012-02-23 2013-09-17 Texas Instruments Incorporated Linear voltage regulator generating sub-reference output voltages

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA939016A (en) * 1972-02-02 1973-12-25 T. Lim Jin Active delay-equalizer network
US3824496A (en) * 1973-09-28 1974-07-16 Hekimian Laboratories Inc Gyrator circuits comprising operational amplifiers and oscillating utilizing same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GB-Proc.IEE, Nov.1959, No.11, Vol.116,S.1838-1850 *
US-IEEE Transactions on Circuit Theory, September 1973, No.5, Vol.CT-20, S.533-540 *

Also Published As

Publication number Publication date
GB1532983A (en) 1978-11-22
FR2314616A1 (fr) 1977-01-07
US4051385A (en) 1977-09-27
FR2314616B1 (enExample) 1982-04-23

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Legal Events

Date Code Title Description
OF Willingness to grant licences before publication of examined application
8126 Change of the secondary classification
8110 Request for examination paragraph 44
8131 Rejection