JPS51114844A - Acoustic surface wave bandpass filter - Google Patents

Acoustic surface wave bandpass filter

Info

Publication number
JPS51114844A
JPS51114844A JP3956475A JP3956475A JPS51114844A JP S51114844 A JPS51114844 A JP S51114844A JP 3956475 A JP3956475 A JP 3956475A JP 3956475 A JP3956475 A JP 3956475A JP S51114844 A JPS51114844 A JP S51114844A
Authority
JP
Japan
Prior art keywords
bandpass filter
surface wave
acoustic surface
wave bandpass
acoustic
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
JP3956475A
Other languages
Japanese (ja)
Other versions
JPS555887B2 (en
Inventor
Fujio Ishihara
Yahei Oyamada
Shuji Urabe
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3956475A priority Critical patent/JPS51114844A/en
Publication of JPS51114844A publication Critical patent/JPS51114844A/en
Publication of JPS555887B2 publication Critical patent/JPS555887B2/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
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6496—Reducing ripple in transfer characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:An acoustic surface wave bandpass filter with a small insertion loss and with no ripples in bandpass filter characteristic curves.
JP3956475A 1975-04-01 1975-04-01 Acoustic surface wave bandpass filter Granted JPS51114844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3956475A JPS51114844A (en) 1975-04-01 1975-04-01 Acoustic surface wave bandpass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3956475A JPS51114844A (en) 1975-04-01 1975-04-01 Acoustic surface wave bandpass filter

Publications (2)

Publication Number Publication Date
JPS51114844A true JPS51114844A (en) 1976-10-08
JPS555887B2 JPS555887B2 (en) 1980-02-12

Family

ID=12556565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3956475A Granted JPS51114844A (en) 1975-04-01 1975-04-01 Acoustic surface wave bandpass filter

Country Status (1)

Country Link
JP (1) JPS51114844A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5573123A (en) * 1978-11-27 1980-06-02 Toshiba Corp Elastic surface wave filter
JPS6324708A (en) * 1986-07-16 1988-02-02 Japan Radio Co Ltd Surface acoustic wave filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5573123A (en) * 1978-11-27 1980-06-02 Toshiba Corp Elastic surface wave filter
JPS6324708A (en) * 1986-07-16 1988-02-02 Japan Radio Co Ltd Surface acoustic wave filter

Also Published As

Publication number Publication date
JPS555887B2 (en) 1980-02-12

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