DE3885381T2 - Ausgangssignalbehandlungsschaltung für einen Radioempfänger. - Google Patents

Ausgangssignalbehandlungsschaltung für einen Radioempfänger.

Info

Publication number
DE3885381T2
DE3885381T2 DE88113883T DE3885381T DE3885381T2 DE 3885381 T2 DE3885381 T2 DE 3885381T2 DE 88113883 T DE88113883 T DE 88113883T DE 3885381 T DE3885381 T DE 3885381T DE 3885381 T2 DE3885381 T2 DE 3885381T2
Authority
DE
Germany
Prior art keywords
signal
circuit
amplifier
output
electric field
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 - Lifetime
Application number
DE88113883T
Other languages
German (de)
English (en)
Other versions
DE3885381D1 (de
Inventor
Yutaka C O Patent Di Matsumoto
Tadaharu C O Patent Di Shimazu
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3885381D1 publication Critical patent/DE3885381D1/de
Publication of DE3885381T2 publication Critical patent/DE3885381T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/63—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for separation improvements or adjustments
    • 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
    • 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
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
    • H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
DE88113883T 1987-08-25 1988-08-25 Ausgangssignalbehandlungsschaltung für einen Radioempfänger. Expired - Lifetime DE3885381T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62210770A JPS6454827A (en) 1987-08-25 1987-08-25 Fm demodulation output processing circuit

Publications (2)

Publication Number Publication Date
DE3885381D1 DE3885381D1 (de) 1993-12-09
DE3885381T2 true DE3885381T2 (de) 1994-03-03

Family

ID=16594847

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88113883T Expired - Lifetime DE3885381T2 (de) 1987-08-25 1988-08-25 Ausgangssignalbehandlungsschaltung für einen Radioempfänger.

Country Status (5)

Country Link
US (1) US4921466A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0304923B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6454827A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR910004422B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3885381T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2025012A1 (en) * 1989-09-11 1991-03-12 William R. Short Audible noise reducing
EP0449199B1 (en) * 1990-03-28 1995-07-05 Pioneer Electronic Corporation Noise reducing circuit
US5742902A (en) * 1996-03-29 1998-04-21 Gmi Holdings, Inc. Super-regenerative circuit apparatus for a door operator receiver and door operator incorporating the same
DE19942889A1 (de) * 1999-09-08 2001-03-15 Volkswagen Ag Verfahren zur Reduktion von Empfangsstörungen, insbesondere von Mehrwegempfangsstörungen, beim Empfang eines Rundfunksignals sowie eine Schaltungsanordnung zur Durchführung des Verfahrens

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823268A (en) * 1972-06-07 1974-07-09 Mc Intosh Labor Inc Dynamic stereo separation control
US3821649A (en) * 1973-02-15 1974-06-28 Gte Sylvania Inc Signal strength meter circuitry
JPS54111201A (en) * 1978-02-20 1979-08-31 Nec Corp Signal processing circuit
US4186351A (en) * 1978-11-01 1980-01-29 Gte Sylvania Incorporated Signal strength indicator circuit for a radio receiver employing AGC
US4390749A (en) * 1981-04-13 1983-06-28 Superscope, Inc. Noise control system for FM radio
EP0089853B1 (en) * 1982-03-23 1987-04-01 Nec Corporation Interference wave detection circuit for use in radio receiver
JPS61202537A (ja) * 1985-03-06 1986-09-08 Clarion Co Ltd Ｆｍステレオ受信機におけるステレオ雑音低減回路

Also Published As

Publication number Publication date
US4921466A (en) 1990-05-01
KR890004490A (ko) 1989-04-22
DE3885381D1 (de) 1993-12-09
EP0304923A2 (en) 1989-03-01
EP0304923A3 (en) 1990-08-22
KR910004422B1 (ko) 1991-06-27
EP0304923B1 (en) 1993-11-03
JPS6454827A (en) 1989-03-02
JPH0431610B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)