SE418441B - Filterkedja - Google Patents

Filterkedja

Info

Publication number
SE418441B
SE418441B SE7701068A SE7701068A SE418441B SE 418441 B SE418441 B SE 418441B SE 7701068 A SE7701068 A SE 7701068A SE 7701068 A SE7701068 A SE 7701068A SE 418441 B SE418441 B SE 418441B
Authority
SE
Sweden
Prior art keywords
filter chain
chain
filter
Prior art date
Application number
SE7701068A
Other languages
English (en)
Swedish (sv)
Other versions
SE7701068L (sv
Inventor
J A Bezemer
H R C Tromp
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of SE7701068L publication Critical patent/SE7701068L/xx
Publication of SE418441B publication Critical patent/SE418441B/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
    • H03H9/56—Monolithic crystal filters
    • 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
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
SE7701068A 1976-02-04 1977-02-01 Filterkedja SE418441B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7601124,A NL178928C (nl) 1976-02-04 1976-02-04 Verbetering van een piezo-elektrisch filter met een zeer smalle doorlaatband.

Publications (2)

Publication Number Publication Date
SE7701068L SE7701068L (sv) 1977-08-05
SE418441B true SE418441B (sv) 1981-05-25

Family

ID=19825565

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7701068A SE418441B (sv) 1976-02-04 1977-02-01 Filterkedja

Country Status (7)

Country Link
US (1) US4127833A (nl)
JP (1) JPS5295140A (nl)
DE (1) DE2704004C2 (nl)
FR (1) FR2340647A2 (nl)
GB (1) GB1541397A (nl)
NL (1) NL178928C (nl)
SE (1) SE418441B (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5578974A (en) * 1995-04-28 1996-11-26 Motorola, Inc. Piezoelectric filter with a curved electrode
JP5072047B2 (ja) * 2007-08-23 2012-11-14 太陽誘電株式会社 弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機
AT509017B1 (de) * 2009-11-02 2012-05-15 Ctp-Dumag Gmbh Brennerdüse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515979A (en) * 1946-11-25 1950-07-18 Bianchi Attilio Wallpaper cutter
US3638146A (en) * 1968-09-25 1972-01-25 Toko Inc Piezoelectric ceramic filter
US4017753A (en) * 1975-02-05 1977-04-12 Kabushiki Kaisha Meidensha Shaped quartz crystal resonator
US3983518A (en) * 1975-04-24 1976-09-28 De Statt Der Nederlanden, Te Dezen Vertegenwoordigd Door De Directeur-Generaal Der Posterijen, Telegrafie En Telefonie Filter chain

Also Published As

Publication number Publication date
JPS5295140A (en) 1977-08-10
SE7701068L (sv) 1977-08-05
NL178928C (nl) 1986-06-02
GB1541397A (en) 1979-02-28
DE2704004A1 (de) 1977-08-11
NL178928B (nl) 1986-01-02
US4127833A (en) 1978-11-28
NL7601124A (nl) 1977-08-08
JPS6219090B2 (nl) 1987-04-27
DE2704004C2 (de) 1985-10-24
FR2340647B2 (nl) 1980-08-08
FR2340647A2 (fr) 1977-09-02

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