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JPS5377102A - Fm stereo demodulating circuit - Google Patents

Fm stereo demodulating circuit

Info

Publication number
JPS5377102A
JPS5377102A JP15326076A JP15326076A JPS5377102A JP S5377102 A JPS5377102 A JP S5377102A JP 15326076 A JP15326076 A JP 15326076A JP 15326076 A JP15326076 A JP 15326076A JP S5377102 A JPS5377102 A JP S5377102A
Authority
JP
Japan
Prior art keywords
demodulating circuit
stereo demodulating
signal
stereo
pilot signal
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.)
Granted
Application number
JP15326076A
Other languages
English (en)
Other versions
JPS5440881B2 (ja
Inventor
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
Priority to JP15326076A priority Critical patent/JPS5377102A/ja
Priority to DE19772755472 priority patent/DE2755472A1/de
Priority to US05/861,606 priority patent/US4164624A/en
Publication of JPS5377102A publication Critical patent/JPS5377102A/ja
Publication of JPS5440881B2 publication Critical patent/JPS5440881B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
    • H03D1/2236—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using a phase locked loop
    • 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
    • H04B1/1653—Detection of the presence of stereo signals and pilot signal regeneration
    • 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)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP15326076A 1976-12-20 1976-12-20 Fm stereo demodulating circuit Granted JPS5377102A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15326076A JPS5377102A (en) 1976-12-20 1976-12-20 Fm stereo demodulating circuit
DE19772755472 DE2755472A1 (de) 1976-12-20 1977-12-13 Demodulatorschaltung fuer einen fm-stereoempfaenger
US05/861,606 US4164624A (en) 1976-12-20 1977-12-19 Demodulation circuits of FM stereophonic receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15326076A JPS5377102A (en) 1976-12-20 1976-12-20 Fm stereo demodulating circuit

Publications (2)

Publication Number Publication Date
JPS5377102A true JPS5377102A (en) 1978-07-08
JPS5440881B2 JPS5440881B2 (ja) 1979-12-05

Family

ID=15558556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15326076A Granted JPS5377102A (en) 1976-12-20 1976-12-20 Fm stereo demodulating circuit

Country Status (3)

Country Link
US (1) US4164624A (ja)
JP (1) JPS5377102A (ja)
DE (1) DE2755472A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174312C (nl) * 1978-05-17 1984-05-16 Philips Nv Stereodecoder met 19khz-piloot onderdrukking en verbeterende oscillatie-fase-vergrendeling.
JPS5531342A (en) * 1978-08-28 1980-03-05 Pioneer Electronic Corp Receiving device
JPS5853805B2 (ja) * 1979-02-15 1983-12-01 日本ビクター株式会社 パイロット信号の除去装置
US4475088A (en) * 1981-06-04 1984-10-02 Westinghouse Electric Corp. Gain imbalance corrected quadrature phase detector
JPS60186142A (ja) * 1984-03-05 1985-09-21 Nec Corp ステレオ復調回路
JP2757377B2 (ja) * 1988-06-28 1998-05-25 ソニー株式会社 ステレオ復調回路
US7034517B2 (en) * 2004-03-15 2006-04-25 Fluke Corporation Multimeter with filtered measurement mode
TWI361281B (en) * 2008-04-17 2012-04-01 Cyrustek Co A measurement unit including an auto switch low-pass filter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329962B2 (ja) * 1971-09-30 1978-08-24
JPS5075759A (ja) * 1973-11-06 1975-06-21
JPS5228208A (en) * 1975-08-28 1977-03-03 Nippon Gakki Seizo Kk Fm multiplex stereo demodulator circuit
JPS593905B2 (ja) * 1975-09-02 1984-01-26 パイオニア株式会社 Ｍｐｘ フクチヨウキノ パイロツトシンゴウジヨキヨソウチ
JPS52127103A (en) * 1976-04-19 1977-10-25 Pioneer Electronic Corp Circuit for generating pilot cancel signal in mpx demodulator
JPH05189302A (ja) * 1992-01-09 1993-07-30 Hitachi Ltd データ転送制御回路

Also Published As

Publication number Publication date
JPS5440881B2 (ja) 1979-12-05
US4164624A (en) 1979-08-14
DE2755472A1 (de) 1978-07-06
DE2755472C2 (ja) 1987-11-19

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