JPS4973919A - - Google Patents

Info

Publication number
JPS4973919A
JPS4973919A JP48109179A JP10917973A JPS4973919A JP S4973919 A JPS4973919 A JP S4973919A JP 48109179 A JP48109179 A JP 48109179A JP 10917973 A JP10917973 A JP 10917973A JP S4973919 A JPS4973919 A JP S4973919A
Authority
JP
Japan
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.)
Pending
Application number
JP48109179A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4973919A publication Critical patent/JPS4973919A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/4446—IF amplifier circuits specially adapted for B&W TV
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • H03G5/28—Automatic control in frequency-selective amplifiers having semiconductor devices
    • 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
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H03H7/0169—Intermediate frequency filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuits Of Receivers In General (AREA)
  • Networks Using Active Elements (AREA)
JP48109179A 1972-09-29 1973-09-28 Pending JPS4973919A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US293611A US3872387A (en) 1972-09-29 1972-09-29 Frequency response modifier for fixed-tuned IF amplifiers

Publications (1)

Publication Number Publication Date
JPS4973919A true JPS4973919A (enExample) 1974-07-17

Family

ID=23129780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48109179A Pending JPS4973919A (enExample) 1972-09-29 1973-09-28

Country Status (4)

Country Link
US (1) US3872387A (enExample)
JP (1) JPS4973919A (enExample)
CA (1) CA1025102A (enExample)
ES (1) ES419128A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155433U (enExample) * 1976-05-19 1977-11-25

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931576A (en) * 1975-01-14 1976-01-06 General Electric Company Automatic gain control circuit for radio receiver
US4045740A (en) * 1975-10-28 1977-08-30 The United States Of America As Represented By The Secretary Of The Army Method for optimizing the bandwidth of a radio receiver
DD139378A1 (de) * 1976-07-26 1979-12-27 Wolfgang Heiss Schaltungsanordnung zur rauschminderung,insbesondere bei der wiedergabe aufgezeichneter videosignale,mit einer frequenzabhaengigen filteranordnung
JPS5915141Y2 (ja) * 1976-12-14 1984-05-04 ヤマハ株式会社 チユ−ナの信号切換回路
US4107730A (en) * 1977-03-02 1978-08-15 Zenith Radio Corporation Signal strength responsive sound trap
US4167749A (en) * 1977-05-26 1979-09-11 Rca Corporation Noise reduction apparatus
US4189755A (en) * 1978-03-17 1980-02-19 Microdyne Corporation Television receiver threshold extension system by means of signal-to-noise control of bandwidth
US4352208A (en) * 1980-03-04 1982-09-28 Motorola, Inc. Automatic IF selectivity for radio receiver system
US4316220A (en) * 1980-09-24 1982-02-16 Rca Corporation IF Bandpass shaping circuits
US4371846A (en) * 1980-10-29 1983-02-01 Sperry Corporation Bandwidth control circuitry for radar i-f amplifier
US4399561A (en) * 1980-12-29 1983-08-16 Motorola, Inc. Variable capacitance circuit
US4455674A (en) * 1981-02-19 1984-06-19 Victor Company Of Japan Limited Amplitude-modulated signal receiver having a variable Q circuit
DE3120050A1 (de) * 1981-05-20 1982-12-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Zf-verstaerker fuer einen mehrnormen-fernsehempfaenger
JPS5972871A (ja) * 1982-10-20 1984-04-24 Hitachi Ltd 固体ビデオカメラの低輝度時雑音低減装置
US4654884A (en) * 1984-05-10 1987-03-31 Alps Electric Co., Ltd. Radio receiver with switching circuit for elimination of intermodulation interference
CA1244139A (en) * 1985-12-11 1988-11-01 Larry J. Conway Microwave waveform receiver
US4905087A (en) * 1988-08-29 1990-02-27 The United States Of American As Represented By The United States Department Of Energy UHF FM receiver having improved frequency stability and low RFI emission
JPH02137552A (ja) * 1988-11-18 1990-05-25 Fujitsu Ltd 中継用受信機
KR930007300B1 (ko) * 1989-11-29 1993-08-04 삼성전기 주식회사 더블 콘버젼(Double Conversion) 튜너의 자동 동조방법
US5355520A (en) * 1990-11-30 1994-10-11 Motorola, Inc. In-building microwave communication system permits frequency refuse with external point-to-point microwave systems
KR930006670B1 (ko) * 1991-07-08 1993-07-22 삼성전자 주식회사 영상 시스템의 화면 안정화방법
US5465406A (en) * 1994-09-06 1995-11-07 Ford Motor Company Automatic gain control overshoot limiter for AM receiver
KR100206781B1 (ko) * 1996-04-24 1999-07-01 구자홍 텔레비젼수상기의 초고속 채널기억 장치 및 방법
JPH09307365A (ja) * 1996-05-15 1997-11-28 Alps Electric Co Ltd 増幅器及びその増幅器を用いた携帯電話機
US6614806B1 (en) * 2000-01-06 2003-09-02 Motorola Inc. Method and apparatus for interfering receiver signal overload protection
US8928423B2 (en) * 2013-01-11 2015-01-06 Em Microelectronic-Marin S.A. Narrow band receiver or transceiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025343A (en) * 1958-12-24 1962-03-13 Philco Corp Television receiver employing if amplifier with variable response characteristic
US3108225A (en) * 1961-06-22 1963-10-22 Avco Corp Signal selector and automatic gain control for satellite command receiver
US3447084A (en) * 1966-01-03 1969-05-27 Bell Telephone Labor Inc Correction of frequency shift in carrier systems
US3510580A (en) * 1968-03-05 1970-05-05 Rca Corp Gain controlled transistor amplifier with constant bandwidth operation over the agc control range
US3582540A (en) * 1969-04-17 1971-06-01 Zenith Radio Corp Signal translating apparatus using surface wave acoustic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155433U (enExample) * 1976-05-19 1977-11-25

Also Published As

Publication number Publication date
US3872387A (en) 1975-03-18
ES419128A1 (es) 1976-06-16
CA1025102A (en) 1978-01-24

Similar Documents

Publication Publication Date Title
JPS4973919A (enExample)
FR2181030B1 (enExample)
JPS5557053U (enExample)
JPS579235Y2 (enExample)
JPS4886667A (enExample)
FR2210663B1 (enExample)
FR2185668B1 (enExample)
JPS4945332B2 (enExample)
JPS514099B1 (enExample)
JPS4932036U (enExample)
JPS4990638U (enExample)
CH561531A5 (enExample)
CH561147A5 (enExample)
CH574954A5 (enExample)
CH561657A5 (enExample)
CH561953A5 (enExample)
CH561994A5 (enExample)
CH561444A (enExample)
CH562025A5 (enExample)
CH561326A4 (enExample)
CH561297A5 (enExample)
CH561236A5 (enExample)
CH562149A5 (enExample)
CH562394A5 (enExample)
CH563006A5 (enExample)