NL7702711A - Kristalfilter. - Google Patents

Kristalfilter.

Info

Publication number
NL7702711A
NL7702711A NL7702711A NL7702711A NL7702711A NL 7702711 A NL7702711 A NL 7702711A NL 7702711 A NL7702711 A NL 7702711A NL 7702711 A NL7702711 A NL 7702711A NL 7702711 A NL7702711 A NL 7702711A
Authority
NL
Netherlands
Prior art keywords
crystal filter
crystal
filter
Prior art date
Application number
NL7702711A
Other languages
English (en)
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of NL7702711A publication Critical patent/NL7702711A/nl

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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NL7702711A 1976-04-28 1977-03-14 Kristalfilter. NL7702711A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA251,326A CA1041186A (en) 1976-04-28 1976-04-28 Monolithic crystal filters
US05/681,438 US4028647A (en) 1976-04-28 1976-04-29 Monolithic crystal filters

Publications (1)

Publication Number Publication Date
NL7702711A true NL7702711A (nl) 1977-11-01

Family

ID=25668282

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7702711A NL7702711A (nl) 1976-04-28 1977-03-14 Kristalfilter.

Country Status (8)

Country Link
US (1) US4028647A (nl)
JP (1) JPS52132655A (nl)
CA (1) CA1041186A (nl)
DE (1) DE2713882A1 (nl)
FR (1) FR2349999A1 (nl)
GB (1) GB1567269A (nl)
NL (1) NL7702711A (nl)
SE (1) SE7704852L (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112147A (en) * 1977-05-13 1978-09-05 Western Electric Company, Inc. Method of manufacturing a monolithic crystal filter
US4423394A (en) * 1977-06-06 1983-12-27 Motorola, Inc. Multiple pole bandpass filter having monolithic crystal elements
US4246554A (en) * 1978-12-11 1981-01-20 E-Systems, Inc. Inductorless monolithic crystal filter network
US4433316A (en) * 1981-08-28 1984-02-21 General Electric Company Crystal filter and method for fabrication
US4704556A (en) * 1983-12-05 1987-11-03 Leslie Kay Transducers
FR2637136A1 (fr) * 1988-09-23 1990-03-30 Cepe Filtre piezoelectrique a selectivite amelioree utilisant des cellules monolithiques
US5051711A (en) * 1989-04-27 1991-09-24 Ten-Tec, Inc. Variable bandwidth crystal filter with varactor diodes
US5030934A (en) * 1989-07-05 1991-07-09 Motorola, Inc. Crystal notch filter comprising discrete quartz crystals coupled to a trimmable RC bridging network
JP4073177B2 (ja) * 2001-05-11 2008-04-09 株式会社村田製作所 圧電フィルタ
JP4541147B2 (ja) * 2002-09-12 2010-09-08 エヌエックスピー ビー ヴィ バルク弾性波フィルタにおける通過帯域リップルを抑制する手段を有するバルク弾性波共振器
JP5736774B2 (ja) * 2010-12-28 2015-06-17 株式会社大真空 帯域阻止フィルタ
WO2019178255A1 (en) * 2018-03-13 2019-09-19 Drexel University Enhanced circuity security through hidden state transitions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248776A (en) * 1938-07-28 1941-07-08 Bell Telephone Labor Inc Wave filter
US3564463A (en) * 1966-04-11 1971-02-16 Bell Telephone Labor Inc Monolithic piezoelectric filter having mass loaded electrodes for resonation regions acoustically coupled together

Also Published As

Publication number Publication date
US4028647A (en) 1977-06-07
FR2349999A1 (fr) 1977-11-25
SE7704852L (sv) 1977-10-29
GB1567269A (en) 1980-05-14
CA1041186A (en) 1978-10-24
JPS52132655A (en) 1977-11-07
DE2713882A1 (de) 1977-11-17

Similar Documents

Publication Publication Date Title
SE7712120L (sv) Vetskefilter
NL7707473A (nl) Terugspoelbare filterinrichting.
NL7704340A (nl) Filtermedium.
NL167857C (nl) Filtreerinrichting.
NL7710683A (nl) Filtreerinrichting.
NL7703681A (nl) Filter.
NL7707346A (nl) Filterelement.
DK138677A (da) Filteraggregat
NL7709787A (nl) Halfgeleiderfilter.
NL7711688A (nl) Kleurfilter.
NL7707054A (nl) Digitaal filter.
NL7702711A (nl) Kristalfilter.
FI773371A (fi) Filter foer tobaksroek
NO144948C (no) Skivefilter.
BE852940A (nl) Filtersamenstel
IT1078700B (it) Filtro
NL7710544A (nl) Filterelement.
BR7701150A (pt) Filtro electromecanico
SE431826B (sv) Filterelement
AT367314B (de) Filteranlage
NL7713734A (nl) Filterinrichting.
NL7701162A (nl) Filterelement.
NL7707865A (nl) Filterinrichting.
SE7700566L (sv) Filterpase
NL7714198A (nl) Transversaal filter.

Legal Events

Date Code Title Description
BV The patent application has lapsed