JPS5915141Y2 - チユ−ナの信号切換回路 - Google Patents

チユ−ナの信号切換回路

Info

Publication number
JPS5915141Y2
JPS5915141Y2 JP1976166694U JP16669476U JPS5915141Y2 JP S5915141 Y2 JPS5915141 Y2 JP S5915141Y2 JP 1976166694 U JP1976166694 U JP 1976166694U JP 16669476 U JP16669476 U JP 16669476U JP S5915141 Y2 JPS5915141 Y2 JP S5915141Y2
Authority
JP
Japan
Prior art keywords
signal
switching circuit
transistor
signal path
resistor
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.)
Expired
Application number
JP1976166694U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5384216U (enExample
Inventor
実 荻田
有三 石垣
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.)
Yamaha Corp
Original Assignee
Yamaha 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 Yamaha Corp filed Critical Yamaha Corp
Priority to JP1976166694U priority Critical patent/JPS5915141Y2/ja
Priority to US05/850,310 priority patent/US4178551A/en
Priority to DE19772751933 priority patent/DE2751933A1/de
Publication of JPS5384216U publication Critical patent/JPS5384216U/ja
Application granted granted Critical
Publication of JPS5915141Y2 publication Critical patent/JPS5915141Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/14—Manually-operated control in frequency-selective amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Noise Elimination (AREA)
  • Amplifiers (AREA)
  • Superheterodyne Receivers (AREA)
  • Networks Using Active Elements (AREA)
JP1976166694U 1976-12-14 1976-12-14 チユ−ナの信号切換回路 Expired JPS5915141Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1976166694U JPS5915141Y2 (ja) 1976-12-14 1976-12-14 チユ−ナの信号切換回路
US05/850,310 US4178551A (en) 1976-12-14 1977-11-10 Bandwidth switching circuits of radio receiver
DE19772751933 DE2751933A1 (de) 1976-12-14 1977-11-21 Bandbreitenschaltkreis fuer funkempfaenger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1976166694U JPS5915141Y2 (ja) 1976-12-14 1976-12-14 チユ−ナの信号切換回路

Publications (2)

Publication Number Publication Date
JPS5384216U JPS5384216U (enExample) 1978-07-12
JPS5915141Y2 true JPS5915141Y2 (ja) 1984-05-04

Family

ID=15836000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1976166694U Expired JPS5915141Y2 (ja) 1976-12-14 1976-12-14 チユ−ナの信号切換回路

Country Status (3)

Country Link
US (1) US4178551A (enExample)
JP (1) JPS5915141Y2 (enExample)
DE (1) DE2751933A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399561A (en) * 1980-12-29 1983-08-16 Motorola, Inc. Variable capacitance circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872387A (en) * 1972-09-29 1975-03-18 Zenith Radio Corp Frequency response modifier for fixed-tuned IF amplifiers
US3904968A (en) * 1974-05-13 1975-09-09 Rockwell International Corp Threshold extension switch
US3991374A (en) * 1975-02-26 1976-11-09 General Electric Company Controllable bandwidth IF filter circuit for radio receivers
JPS51127609A (en) * 1975-04-28 1976-11-06 Trio Kenwood Corp Switching circuit for band width of intermediate frequency amplifying stage of fm receiver
JPS5610021Y2 (enExample) * 1975-05-28 1981-03-05
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

Also Published As

Publication number Publication date
US4178551A (en) 1979-12-11
JPS5384216U (enExample) 1978-07-12
DE2751933A1 (de) 1978-06-15

Similar Documents

Publication Publication Date Title
JPS5915141Y2 (ja) チユ−ナの信号切換回路
JPH0223047B2 (enExample)
JPH09102729A (ja) 制御可能なフィルタ装置
US4716321A (en) Low noise, high thermal stability attenuator of the integratable type
US5107134A (en) Matrix circuit of fm stereo multiplex demodulation circuit
JP4050354B2 (ja) 増幅回路
JP2004266706A (ja) 高周波装置
JPH0526814Y2 (enExample)
JPH084731Y2 (ja) 周波数特性選択回路
JPS58516U (ja) グラフイツク・イコライザ回路
JPS62272Y2 (enExample)
JPS6145623Y2 (enExample)
JPH0332110Y2 (enExample)
JPH0641384Y2 (ja) 音質調整回路
JPH0249236U (enExample)
JPS6347067Y2 (enExample)
JPS6016093Y2 (ja) 能動フイルタ・オツシレ−タ
JPS62224103A (ja) 電力増幅器
JPS5879350A (ja) ステレオ復調回路
JPS637088A (ja) ノツチフイルタ−のスイツチ回路
JPH0630426B2 (ja) 利得可変回路
JPH03162009A (ja) 受信装置
JPH03249878A (ja) クランプ回路
JPH07321601A (ja) フィルタ装置
JPS5836855B2 (ja) スイツチング回路