CH624802A5 - - Google Patents

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Publication number
CH624802A5
CH624802A5 CH791678A CH791678A CH624802A5 CH 624802 A5 CH624802 A5 CH 624802A5 CH 791678 A CH791678 A CH 791678A CH 791678 A CH791678 A CH 791678A CH 624802 A5 CH624802 A5 CH 624802A5
Authority
CH
Switzerland
Prior art keywords
frequency
self
crystals
crystal
inductance
Prior art date
Application number
CH791678A
Other languages
English (en)
French (fr)
Inventor
Paul Bouchou
Claude Nigoghossian
Guy Sillioc
Original Assignee
Cepe
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 Cepe filed Critical Cepe
Publication of CH624802A5 publication Critical patent/CH624802A5/fr

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Filters And Equalizers (AREA)
CH791678A 1977-07-22 1978-07-21 CH624802A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7722566A FR2398413A1 (fr) 1977-07-22 1977-07-22 Filtre electrique de frequence a cristaux piezoelectriques

Publications (1)

Publication Number Publication Date
CH624802A5 true CH624802A5 (de) 1981-08-14

Family

ID=9193686

Family Applications (1)

Application Number Title Priority Date Filing Date
CH791678A CH624802A5 (de) 1977-07-22 1978-07-21

Country Status (8)

Country Link
US (1) US4205284A (de)
JP (1) JPS5459860A (de)
CA (1) CA1112727A (de)
CH (1) CH624802A5 (de)
DE (1) DE2832168C2 (de)
FR (1) FR2398413A1 (de)
GB (1) GB2001498B (de)
NL (1) NL7807714A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782480A (en) * 1985-11-19 1988-11-01 Alcatel Usa, Corp. Telephone line access apparatus
US6269241B1 (en) * 1997-11-26 2001-07-31 Aerocomm, Inc. Ultra-Q filter
US11581853B2 (en) * 2021-01-27 2023-02-14 Avago Technologies International Sales Pte. Limited Wideband filter for direct connection to differential power amplifier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2097458A (en) * 1931-09-24 1937-11-02 Rca Corp Filter
DE2500512C2 (de) * 1970-11-16 1983-09-15 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Filterschaltung mit Kapazitäten und beidseitig geerdeten Gyratoren
US4060776A (en) * 1976-05-17 1977-11-29 Westinghouse Electric Corporation Intermediate-band crystal filter with low-transient response

Also Published As

Publication number Publication date
DE2832168C2 (de) 1986-03-20
DE2832168A1 (de) 1979-02-01
CA1112727A (fr) 1981-11-17
JPS5459860A (en) 1979-05-14
NL7807714A (nl) 1979-01-24
GB2001498A (en) 1979-01-31
GB2001498B (en) 1982-05-12
US4205284A (en) 1980-05-27
FR2398413B1 (de) 1982-11-19
FR2398413A1 (fr) 1979-02-16

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Legal Events

Date Code Title Description
AUV Undeliverable decisions opened (patents)

Free format text: LE BREVET PRINCIPAL CI-DESSUS EST TOMBE EN DECHEANCE, FAUTE DE PAIEMENT, DE LA 16E ANNUITE.

PL Patent ceased
PL Patent ceased