KR101693269B1 - 마이크로웨이브 음파 필터들의 개선된 설계 - Google Patents

마이크로웨이브 음파 필터들의 개선된 설계 Download PDF

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Publication number
KR101693269B1
KR101693269B1 KR1020147037070A KR20147037070A KR101693269B1 KR 101693269 B1 KR101693269 B1 KR 101693269B1 KR 1020147037070 A KR1020147037070 A KR 1020147037070A KR 20147037070 A KR20147037070 A KR 20147037070A KR 101693269 B1 KR101693269 B1 KR 101693269B1
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South Korea
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filter
resonator
frequency
resonators
circuit design
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KR20150023561A (ko
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리차드 엔. 실버
커트 라인
닐오. 펜지
로버트 비. 해먼드
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레저넌트 인크.
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    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/30—Circuit design
    • G06F30/36—Circuit design at the analogue level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • 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
    • H03H9/462—Microelectro-mechanical filters
    • 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
    • H03H9/462—Microelectro-mechanical filters
    • H03H9/465—Microelectro-mechanical filters in combination with other electronic elements
    • 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
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
    • 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
    • H03H9/56—Monolithic crystal filters
    • 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
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor
    • H03H9/568—Electric coupling means therefor consisting of a ladder configuration
    • 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
    • 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
    • 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
    • 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
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6483—Ladder SAW filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2260/00—Theory relating to impedance networks

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
KR1020147037070A 2013-03-15 2014-02-27 마이크로웨이브 음파 필터들의 개선된 설계 Expired - Fee Related KR101693269B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361798482P 2013-03-15 2013-03-15
US61/798,482 2013-03-15
US13/934,051 2013-07-02
US13/934,051 US9325294B2 (en) 2013-03-15 2013-07-02 Microwave acoustic wave filters
US13/939,065 US8701065B1 (en) 2013-03-15 2013-07-10 Microwave acoustic wave filters
US13/939,065 2013-07-10
PCT/US2014/019091 WO2014149506A1 (en) 2013-03-15 2014-02-27 Improved design of microwave acoustic wave filters

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020167037064A Division KR102001884B1 (ko) 2013-03-15 2014-02-27 마이크로웨이브 음파 필터들의 개선된 설계

Publications (2)

Publication Number Publication Date
KR20150023561A KR20150023561A (ko) 2015-03-05
KR101693269B1 true KR101693269B1 (ko) 2017-01-06

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KR1020147037070A Expired - Fee Related KR101693269B1 (ko) 2013-03-15 2014-02-27 마이크로웨이브 음파 필터들의 개선된 설계

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Country Status (8)

Country Link
US (3) US9325294B2 (enExample)
JP (3) JP5939696B2 (enExample)
KR (2) KR102001884B1 (enExample)
CN (2) CN104412268B (enExample)
DE (1) DE112014000126T5 (enExample)
GB (1) GB2518555A (enExample)
IN (1) IN2014KN02977A (enExample)
WO (1) WO2014149506A1 (enExample)

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KR20190100646A (ko) 2018-02-21 2019-08-29 전북대학교산학협력단 Q-인자 성능이 향상된 박막 체적 탄성파 공진기

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US8701065B1 (en) 2014-04-15
US20140266510A1 (en) 2014-09-18
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