FR2582170A1 - Dipole auto-adaptatif - Google Patents

Dipole auto-adaptatif Download PDF

Info

Publication number
FR2582170A1
FR2582170A1 FR8507436A FR8507436A FR2582170A1 FR 2582170 A1 FR2582170 A1 FR 2582170A1 FR 8507436 A FR8507436 A FR 8507436A FR 8507436 A FR8507436 A FR 8507436A FR 2582170 A1 FR2582170 A1 FR 2582170A1
Authority
FR
France
Prior art keywords
terminal
resistor
comparator
frequency
input
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.)
Granted
Application number
FR8507436A
Other languages
English (en)
French (fr)
Other versions
FR2582170B1 (da
Inventor
Joel Cotty
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR8507436A priority Critical patent/FR2582170A1/fr
Publication of FR2582170A1 publication Critical patent/FR2582170A1/fr
Application granted granted Critical
Publication of FR2582170B1 publication Critical patent/FR2582170B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H03H11/48—One-port networks simulating reactances
    • H03H11/485—Simulating inductances using operational amplifiers

Landscapes

  • Networks Using Active Elements (AREA)
FR8507436A 1985-05-15 1985-05-15 Dipole auto-adaptatif Granted FR2582170A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8507436A FR2582170A1 (fr) 1985-05-15 1985-05-15 Dipole auto-adaptatif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8507436A FR2582170A1 (fr) 1985-05-15 1985-05-15 Dipole auto-adaptatif

Publications (2)

Publication Number Publication Date
FR2582170A1 true FR2582170A1 (fr) 1986-11-21
FR2582170B1 FR2582170B1 (da) 1994-08-19

Family

ID=9319339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8507436A Granted FR2582170A1 (fr) 1985-05-15 1985-05-15 Dipole auto-adaptatif

Country Status (1)

Country Link
FR (1) FR2582170A1 (da)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627336A1 (fr) * 1988-02-17 1989-08-18 Thomson Csf Filtre auto-adaptatif commutable pour poste emetteur et/ou recepteur radio
DE9013686U1 (de) * 1990-10-01 1990-12-06 W. Steenbeck & Co. (GmbH & Co.), 2000 Hamburg Magnetische Abgleichschaltung
EP0650645A4 (en) * 1992-04-06 1994-12-15 Motorola Inc RESONANT INTEGRATED CIRCUIT WITH TEMPERATURE COMPENSATED QUALITY FACTOR.
WO1996002975A1 (en) * 1994-07-19 1996-02-01 Matsushita Communication Industrial Corporation Of America Loop filter with a variable response time
DE19755250A1 (de) * 1997-12-12 1999-07-01 Philips Patentverwaltung Schaltungsanordnung zum Einstellen der Resonanzfrequenz
WO2008059097A1 (es) * 2006-11-15 2008-05-22 Universitat De València, Estudi General Circuito electrónico para obtener una impedancia capacitiva variable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1351417A (en) * 1972-07-10 1974-05-01 Gen Electric Co Ltd Self-tuning circuits
US3835399A (en) * 1972-01-24 1974-09-10 R Holmes Adjustable electronic tunable filter with simulated inductor
US4079330A (en) * 1975-08-15 1978-03-14 Victor Company Of Japan, Limited System for demodulating angle-modulated signals
US4485356A (en) * 1982-06-04 1984-11-27 Lorenzo Fassino Variable low frequency sinusoidal oscillator using simulated inductance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835399A (en) * 1972-01-24 1974-09-10 R Holmes Adjustable electronic tunable filter with simulated inductor
GB1351417A (en) * 1972-07-10 1974-05-01 Gen Electric Co Ltd Self-tuning circuits
US4079330A (en) * 1975-08-15 1978-03-14 Victor Company Of Japan, Limited System for demodulating angle-modulated signals
US4485356A (en) * 1982-06-04 1984-11-27 Lorenzo Fassino Variable low frequency sinusoidal oscillator using simulated inductance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELECTRONICS AND COMMUNICATIONS IN JAPAN, vol. 53-B, no. 1, 1970, pages 98-106, Washington, US; T. OSATAKE et al.: "FM reception by a parametric tracking filter" *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627336A1 (fr) * 1988-02-17 1989-08-18 Thomson Csf Filtre auto-adaptatif commutable pour poste emetteur et/ou recepteur radio
EP0329525A1 (fr) * 1988-02-17 1989-08-23 Thomson-Csf Filtre auto-adaptatif commutable pour poste émetteur et/ou récepteur radio
DE9013686U1 (de) * 1990-10-01 1990-12-06 W. Steenbeck & Co. (GmbH & Co.), 2000 Hamburg Magnetische Abgleichschaltung
EP0650645A4 (en) * 1992-04-06 1994-12-15 Motorola Inc RESONANT INTEGRATED CIRCUIT WITH TEMPERATURE COMPENSATED QUALITY FACTOR.
EP0650645A1 (en) * 1992-04-06 1995-05-03 Motorola, Inc. Integrated resonant circuit with temperature compensated quality factor
WO1996002975A1 (en) * 1994-07-19 1996-02-01 Matsushita Communication Industrial Corporation Of America Loop filter with a variable response time
DE19755250A1 (de) * 1997-12-12 1999-07-01 Philips Patentverwaltung Schaltungsanordnung zum Einstellen der Resonanzfrequenz
WO2008059097A1 (es) * 2006-11-15 2008-05-22 Universitat De València, Estudi General Circuito electrónico para obtener una impedancia capacitiva variable
ES2321786A1 (es) * 2006-11-15 2009-06-10 Universitat De Valencia, Estudi Genera Circuito electronico para obtener una impedancia capacitiva variable.

Also Published As

Publication number Publication date
FR2582170B1 (da) 1994-08-19

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