DE2751933A1 - Bandbreitenschaltkreis fuer funkempfaenger - Google Patents

Bandbreitenschaltkreis fuer funkempfaenger

Info

Publication number
DE2751933A1
DE2751933A1 DE19772751933 DE2751933A DE2751933A1 DE 2751933 A1 DE2751933 A1 DE 2751933A1 DE 19772751933 DE19772751933 DE 19772751933 DE 2751933 A DE2751933 A DE 2751933A DE 2751933 A1 DE2751933 A1 DE 2751933A1
Authority
DE
Germany
Prior art keywords
bandwidth
circuit
signal paths
branch
switching elements
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.)
Withdrawn
Application number
DE19772751933
Other languages
German (de)
English (en)
Inventor
Yuzo Ishigaki
Minoru Ogita
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki 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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Publication of DE2751933A1 publication Critical patent/DE2751933A1/de
Withdrawn legal-status Critical Current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)
DE19772751933 1976-12-14 1977-11-21 Bandbreitenschaltkreis fuer funkempfaenger Withdrawn DE2751933A1 (de)

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 (1)

Publication Number Publication Date
DE2751933A1 true DE2751933A1 (de) 1978-06-15

Family

ID=15836000

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772751933 Withdrawn DE2751933A1 (de) 1976-12-14 1977-11-21 Bandbreitenschaltkreis fuer funkempfaenger

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
JPS5915141Y2 (ja) 1984-05-04

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Legal Events

Date Code Title Description
OAR Request for search filed
OB Request for examination as to novelty
OC Search report available
8128 New person/name/address of the agent

Representative=s name: KERN, R., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee