JPS5218148A - Biresonant piezoelectric filter - Google Patents

Biresonant piezoelectric filter

Info

Publication number
JPS5218148A
JPS5218148A JP9458275A JP9458275A JPS5218148A JP S5218148 A JPS5218148 A JP S5218148A JP 9458275 A JP9458275 A JP 9458275A JP 9458275 A JP9458275 A JP 9458275A JP S5218148 A JPS5218148 A JP S5218148A
Authority
JP
Japan
Prior art keywords
biresonant
piezoelectric filter
filter
oscillator
piezoelectric
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP9458275A
Other languages
Japanese (ja)
Inventor
Isao Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9458275A priority Critical patent/JPS5218148A/en
Publication of JPS5218148A publication Critical patent/JPS5218148A/en
Pending legal-status Critical Current

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
    • H03H9/58—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)

Abstract

PURPOSE:In order to suppress the spurious, by inserting a biresonant oscillator through connecting two terminals in the middle of a filter being connected with biresonant oscillator with multistage manner.
JP9458275A 1975-08-01 1975-08-01 Biresonant piezoelectric filter Pending JPS5218148A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9458275A JPS5218148A (en) 1975-08-01 1975-08-01 Biresonant piezoelectric filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9458275A JPS5218148A (en) 1975-08-01 1975-08-01 Biresonant piezoelectric filter

Publications (1)

Publication Number Publication Date
JPS5218148A true JPS5218148A (en) 1977-02-10

Family

ID=14114259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9458275A Pending JPS5218148A (en) 1975-08-01 1975-08-01 Biresonant piezoelectric filter

Country Status (1)

Country Link
JP (1) JPS5218148A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511202A (en) * 1981-12-29 1985-04-16 Fujitsu Limited Ceramic resonator and a ceramic filter using the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50144361A (en) * 1974-05-09 1975-11-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50144361A (en) * 1974-05-09 1975-11-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511202A (en) * 1981-12-29 1985-04-16 Fujitsu Limited Ceramic resonator and a ceramic filter using the same

Similar Documents

Publication Publication Date Title
JPS5218148A (en) Biresonant piezoelectric filter
JPS51146154A (en) Complex type resonator
JPS5425658A (en) Prequency demultiplier
JPS51131242A (en) Elastic surface wave filter
JPS51142943A (en) Elastic surface-wave filter
JPS538005A (en) Frequency mixer
JPS5213793A (en) Piezoelectric oscillator
JPS529344A (en) Mechanical filter
JPS5236491A (en) Tuning folk type electrostriction oscillator
JPS5238863A (en) Power line carrier line filter
JPS5225542A (en) Non-patrol type digital filter
JPS5323257A (en) Phase difference detection circuit
JPS53139963A (en) Flip flop circuit
JPS52149947A (en) Direct-coupled type differential amplifier
JPS5380942A (en) Filter circuit
JPS5218147A (en) Piezoelectric oscillator
JPS51138144A (en) State variable type band pass filter
JPS53955A (en) Chattering prevention circuit
JPS51149745A (en) Ceramic hilter
JPS5232205A (en) Circuit connecting equipment
JPS5355075A (en) Electronic watch
JPS51132053A (en) Filter
JPS51149765A (en) Cagicol circuit
JPS51141565A (en) R c active filter
JPS5353945A (en) Limiter circuit for high frequency usage