JPS5248452A - Ladder-type piezoelectric filter - Google Patents

Ladder-type piezoelectric filter

Info

Publication number
JPS5248452A
JPS5248452A JP12381475A JP12381475A JPS5248452A JP S5248452 A JPS5248452 A JP S5248452A JP 12381475 A JP12381475 A JP 12381475A JP 12381475 A JP12381475 A JP 12381475A JP S5248452 A JPS5248452 A JP S5248452A
Authority
JP
Japan
Prior art keywords
ladder
type piezoelectric
piezoelectric filter
filter
increased
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.)
Granted
Application number
JP12381475A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6120171B2 (enrdf_load_stackoverflow
Inventor
Hiroki Honda
Hirohiko Izumi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12381475A priority Critical patent/JPS5248452A/ja
Publication of JPS5248452A publication Critical patent/JPS5248452A/ja
Publication of JPS6120171B2 publication Critical patent/JPS6120171B2/ja
Granted 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 elements; 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
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration

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)
JP12381475A 1975-10-16 1975-10-16 Ladder-type piezoelectric filter Granted JPS5248452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12381475A JPS5248452A (en) 1975-10-16 1975-10-16 Ladder-type piezoelectric filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12381475A JPS5248452A (en) 1975-10-16 1975-10-16 Ladder-type piezoelectric filter

Publications (2)

Publication Number Publication Date
JPS5248452A true JPS5248452A (en) 1977-04-18
JPS6120171B2 JPS6120171B2 (enrdf_load_stackoverflow) 1986-05-21

Family

ID=14869987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12381475A Granted JPS5248452A (en) 1975-10-16 1975-10-16 Ladder-type piezoelectric filter

Country Status (1)

Country Link
JP (1) JPS5248452A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56137513U (enrdf_load_stackoverflow) * 1980-03-18 1981-10-17
JPS57208713A (en) * 1981-06-17 1982-12-21 Pioneer Electronic Corp Bias controlling circuit
US4933645A (en) * 1986-11-21 1990-06-12 Takafumi Kasai Amplifier having a constant-current bias circuit
USRE37375E1 (en) 1991-10-28 2001-09-18 Fujitsu Limited Surface acoustic wave filter
US6480075B1 (en) 1999-03-31 2002-11-12 Sanyo Electric Co., Ltd. Surface acoustic wave filter
USRE40036E1 (en) 1991-10-28 2008-01-29 Fujitsu Limited Surface acoustic wave filter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56137513U (enrdf_load_stackoverflow) * 1980-03-18 1981-10-17
JPS57208713A (en) * 1981-06-17 1982-12-21 Pioneer Electronic Corp Bias controlling circuit
US4933645A (en) * 1986-11-21 1990-06-12 Takafumi Kasai Amplifier having a constant-current bias circuit
USRE37375E1 (en) 1991-10-28 2001-09-18 Fujitsu Limited Surface acoustic wave filter
USRE37790E1 (en) 1991-10-28 2002-07-16 Fujitsu Limited Surface acoustic wave filter
USRE40036E1 (en) 1991-10-28 2008-01-29 Fujitsu Limited Surface acoustic wave filter
US6480075B1 (en) 1999-03-31 2002-11-12 Sanyo Electric Co., Ltd. Surface acoustic wave filter

Also Published As

Publication number Publication date
JPS6120171B2 (enrdf_load_stackoverflow) 1986-05-21

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