NL7807714A - Elektrisch frequentiefilter met piezo-elektrische kristallen. - Google Patents

Elektrisch frequentiefilter met piezo-elektrische kristallen.

Info

Publication number
NL7807714A
NL7807714A NL7807714A NL7807714A NL7807714A NL 7807714 A NL7807714 A NL 7807714A NL 7807714 A NL7807714 A NL 7807714A NL 7807714 A NL7807714 A NL 7807714A NL 7807714 A NL7807714 A NL 7807714A
Authority
NL
Netherlands
Prior art keywords
electrical
frequency filter
crystals
piezo
electrical frequency
Prior art date
Application number
NL7807714A
Other languages
English (en)
Dutch (nl)
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 NL7807714A publication Critical patent/NL7807714A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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)
NL7807714A 1977-07-22 1978-07-19 Elektrisch frequentiefilter met piezo-elektrische kristallen. NL7807714A (nl)

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
NL7807714A true NL7807714A (nl) 1979-01-24

Family

ID=9193686

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7807714A NL7807714A (nl) 1977-07-22 1978-07-19 Elektrisch frequentiefilter met piezo-elektrische kristallen.

Country Status (8)

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

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
DE2832168A1 (de) 1979-02-01
CH624802A5 (xx) 1981-08-14
JPS5459860A (en) 1979-05-14
US4205284A (en) 1980-05-27
DE2832168C2 (de) 1986-03-20
FR2398413A1 (fr) 1979-02-16
GB2001498A (en) 1979-01-31
GB2001498B (en) 1982-05-12
FR2398413B1 (xx) 1982-11-19
CA1112727A (fr) 1981-11-17

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed