IT1152022B - Rete di trasformazione dell'impedenza per un filtro ad onde acustiche superficiali - Google Patents

Rete di trasformazione dell'impedenza per un filtro ad onde acustiche superficiali

Info

Publication number
IT1152022B
IT1152022B IT22463/82A IT2246382A IT1152022B IT 1152022 B IT1152022 B IT 1152022B IT 22463/82 A IT22463/82 A IT 22463/82A IT 2246382 A IT2246382 A IT 2246382A IT 1152022 B IT1152022 B IT 1152022B
Authority
IT
Italy
Prior art keywords
acoustic wave
surface acoustic
wave filter
impedance transformation
transformation network
Prior art date
Application number
IT22463/82A
Other languages
English (en)
Other versions
IT8222463A0 (it
IT8222463A1 (it
Inventor
Max Ward Muterspaugh
Gary Allen Whitledge
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of IT8222463A0 publication Critical patent/IT8222463A0/it
Publication of IT8222463A1 publication Critical patent/IT8222463A1/it
Application granted granted Critical
Publication of IT1152022B publication Critical patent/IT1152022B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
IT22463/82A 1981-07-20 1982-07-19 Rete di trasformazione dell'impedenza per un filtro ad onde acustiche superficiali IT1152022B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/285,237 US4410864A (en) 1981-07-20 1981-07-20 Impedance transformation network for a SAW filter

Publications (3)

Publication Number Publication Date
IT8222463A0 IT8222463A0 (it) 1982-07-19
IT8222463A1 IT8222463A1 (it) 1984-01-19
IT1152022B true IT1152022B (it) 1986-12-24

Family

ID=23093380

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22463/82A IT1152022B (it) 1981-07-20 1982-07-19 Rete di trasformazione dell'impedenza per un filtro ad onde acustiche superficiali

Country Status (12)

Country Link
US (1) US4410864A (it)
JP (1) JPS5824217A (it)
KR (1) KR930011648B1 (it)
AU (1) AU555470B2 (it)
CA (1) CA1181823A (it)
DE (1) DE3227087C2 (it)
FR (1) FR2509928B1 (it)
GB (1) GB2103445B (it)
HK (1) HK24687A (it)
IT (1) IT1152022B (it)
MY (1) MY8700373A (it)
NZ (1) NZ201323A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6056438U (ja) * 1983-09-26 1985-04-19 ナショナル住宅産業株式会社 パネル製造装置
US4496979A (en) * 1983-11-22 1985-01-29 Casat Technology, Inc. FM High-fidelity processor
JPS6171930A (ja) * 1984-09-13 1986-04-12 Chubu Kogyo Kk 自動車用ドアガラスのスライダ−組付装置
US4633316A (en) * 1984-11-14 1986-12-30 Zenith Electronics Corporation Stable low cost 4.5 MHz remodulator
GB2198303A (en) * 1986-12-05 1988-06-08 Philips Electronic Associated Amplifier circuit arrangement
US5130669A (en) * 1990-04-12 1992-07-14 Thomson Consumer Electronics, Inc. Apparatus for driving a mechanical resonator from a high impedance source
US5170500A (en) * 1990-08-03 1992-12-08 Goldstar Products Co., Limited Intermediate frequency circuit for cellular telephone transceiver using surface acoustic wave filter
EP0746904B1 (en) * 1994-12-23 2001-10-04 Koninklijke Philips Electronics N.V. Television receiver with saw filter coupling
JPH0983269A (ja) * 1995-09-20 1997-03-28 Fujitsu Ltd バイアス回路
GB2342238A (en) * 1998-09-30 2000-04-05 Sony Uk Ltd Digital terrestrial TV tuner
TWI540850B (zh) * 2015-04-02 2016-07-01 啟碁科技股份有限公司 無線通訊裝置與其濾波器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441865A (en) * 1965-05-14 1969-04-29 Rca Corp Inter-stage coupling circuit for neutralizing internal feedback in transistor amplifiers
US3582837A (en) * 1967-11-08 1971-06-01 Zenith Radio Corp Signal filter utilizing frequency-dependent variation of input impedance of one-port transducer
JPS5588528U (it) * 1978-12-14 1980-06-18
US4297660A (en) * 1978-12-14 1981-10-27 Murata Manufacturing Co., Ltd. Electric circuit using surface acoustic wave device
US4253119A (en) * 1979-09-27 1981-02-24 Zenith Radio Corporation Interface system for surface wave integratable filter
US4271433A (en) * 1979-11-23 1981-06-02 Rca Corporation SAW Filter preamplifier
US4316220A (en) * 1980-09-24 1982-02-16 Rca Corporation IF Bandpass shaping circuits

Also Published As

Publication number Publication date
JPH057890B2 (it) 1993-01-29
MY8700373A (en) 1987-12-31
HK24687A (en) 1987-03-27
FR2509928A1 (fr) 1983-01-21
GB2103445B (en) 1985-03-27
US4410864A (en) 1983-10-18
IT8222463A0 (it) 1982-07-19
IT8222463A1 (it) 1984-01-19
KR840001017A (ko) 1984-03-26
CA1181823A (en) 1985-01-29
AU8597182A (en) 1983-01-27
AU555470B2 (en) 1986-09-25
NZ201323A (en) 1987-11-27
KR930011648B1 (ko) 1993-12-16
FR2509928B1 (fr) 1989-06-30
DE3227087C2 (de) 1994-01-27
GB2103445A (en) 1983-02-16
JPS5824217A (ja) 1983-02-14
DE3227087A1 (de) 1983-02-03

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970729