JPS6120171B2 - - Google Patents

Info

Publication number
JPS6120171B2
JPS6120171B2 JP12381475A JP12381475A JPS6120171B2 JP S6120171 B2 JPS6120171 B2 JP S6120171B2 JP 12381475 A JP12381475 A JP 12381475A JP 12381475 A JP12381475 A JP 12381475A JP S6120171 B2 JPS6120171 B2 JP S6120171B2
Authority
JP
Japan
Prior art keywords
filter
resonators
ladder
damping capacity
series
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.)
Expired
Application number
JP12381475A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5248452A (en
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
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 JPS5248452A (en) 1977-04-18
JPS6120171B2 true JPS6120171B2 (en]) 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 (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6325768Y2 (en]) * 1980-03-18 1988-07-13
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
USRE40036E1 (en) 1991-10-28 2008-01-29 Fujitsu Limited Surface acoustic wave filter
JP2800905B2 (ja) 1991-10-28 1998-09-21 富士通株式会社 弾性表面波フィルタ
JP2000286676A (ja) 1999-03-31 2000-10-13 Sanyo Electric Co Ltd 弾性表面波フィルター

Also Published As

Publication number Publication date
JPS5248452A (en) 1977-04-18

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