NO844688L - DEVICE FOR REPRESSION OF PARASITIC RESPONSES IN CRYSTAL FILTERS - Google Patents

DEVICE FOR REPRESSION OF PARASITIC RESPONSES IN CRYSTAL FILTERS

Info

Publication number
NO844688L
NO844688L NO844688A NO844688A NO844688L NO 844688 L NO844688 L NO 844688L NO 844688 A NO844688 A NO 844688A NO 844688 A NO844688 A NO 844688A NO 844688 L NO844688 L NO 844688L
Authority
NO
Norway
Prior art keywords
repression
crystal filters
parasitic responses
parasitic
responses
Prior art date
Application number
NO844688A
Other languages
Norwegian (no)
Other versions
NO170378C (en
NO170378B (en
Inventor
Robert J Higgins
Original Assignee
Motorola Inc
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
Priority claimed from US06/488,874 external-priority patent/US4533885A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of NO844688L publication Critical patent/NO844688L/en
Publication of NO170378B publication Critical patent/NO170378B/en
Publication of NO170378C publication Critical patent/NO170378C/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Steroid Compounds (AREA)
  • Fats And Perfumes (AREA)
NO84844688A 1983-04-27 1984-11-26 DEVICE FOR REPRESSION OF PARASITIC RESPONSES IN CRYSTAL FILTERS NO170378C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/488,874 US4533885A (en) 1983-04-27 1983-04-27 Apparatus for suppression of spurious attenuation poles in crystal filters
PCT/US1984/000565 WO1984004434A1 (en) 1983-04-27 1984-04-12 Apparatus for suppression of spurious attenuation poles in crystal filters

Publications (3)

Publication Number Publication Date
NO844688L true NO844688L (en) 1984-11-26
NO170378B NO170378B (en) 1992-06-29
NO170378C NO170378C (en) 1992-10-07

Family

ID=26770235

Family Applications (1)

Application Number Title Priority Date Filing Date
NO84844688A NO170378C (en) 1983-04-27 1984-11-26 DEVICE FOR REPRESSION OF PARASITIC RESPONSES IN CRYSTAL FILTERS

Country Status (2)

Country Link
HK (1) HK17194A (en)
NO (1) NO170378C (en)

Also Published As

Publication number Publication date
HK17194A (en) 1994-03-11
NO170378C (en) 1992-10-07
NO170378B (en) 1992-06-29

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