JPS5437553A - Elastic surface-wave filter - Google Patents

Elastic surface-wave filter

Info

Publication number
JPS5437553A
JPS5437553A JP10393577A JP10393577A JPS5437553A JP S5437553 A JPS5437553 A JP S5437553A JP 10393577 A JP10393577 A JP 10393577A JP 10393577 A JP10393577 A JP 10393577A JP S5437553 A JPS5437553 A JP S5437553A
Authority
JP
Japan
Prior art keywords
wave filter
elastic surface
load
series
increasing
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
JP10393577A
Other languages
Japanese (ja)
Other versions
JPS6150409B2 (en
Inventor
Katsuhide Tsukamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10393577A priority Critical patent/JPS5437553A/en
Publication of JPS5437553A publication Critical patent/JPS5437553A/en
Publication of JPS6150409B2 publication Critical patent/JPS6150409B2/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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers
    • 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
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different transducers

Landscapes

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

Abstract

PURPOSE:To make a ripple small by a simple constitution without increasing an insersion loss, by series-connecting two output transducers via a load.
JP10393577A 1977-08-29 1977-08-29 Elastic surface-wave filter Granted JPS5437553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10393577A JPS5437553A (en) 1977-08-29 1977-08-29 Elastic surface-wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10393577A JPS5437553A (en) 1977-08-29 1977-08-29 Elastic surface-wave filter

Publications (2)

Publication Number Publication Date
JPS5437553A true JPS5437553A (en) 1979-03-20
JPS6150409B2 JPS6150409B2 (en) 1986-11-04

Family

ID=14367286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10393577A Granted JPS5437553A (en) 1977-08-29 1977-08-29 Elastic surface-wave filter

Country Status (1)

Country Link
JP (1) JPS5437553A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55115712A (en) * 1979-02-28 1980-09-05 Matsushita Electric Ind Co Ltd Elastic surface wave filter
JPS59215110A (en) * 1983-05-23 1984-12-05 Maruyasu Kogyo Kk Elastic surface wave filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55115712A (en) * 1979-02-28 1980-09-05 Matsushita Electric Ind Co Ltd Elastic surface wave filter
JPS6150536B2 (en) * 1979-02-28 1986-11-05 Matsushita Electric Ind Co Ltd
JPS59215110A (en) * 1983-05-23 1984-12-05 Maruyasu Kogyo Kk Elastic surface wave filter

Also Published As

Publication number Publication date
JPS6150409B2 (en) 1986-11-04

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