JPS5648738A - Stereophonic demodulation system - Google Patents

Stereophonic demodulation system

Info

Publication number
JPS5648738A
JPS5648738A JP12406079A JP12406079A JPS5648738A JP S5648738 A JPS5648738 A JP S5648738A JP 12406079 A JP12406079 A JP 12406079A JP 12406079 A JP12406079 A JP 12406079A JP S5648738 A JPS5648738 A JP S5648738A
Authority
JP
Japan
Prior art keywords
signal
output
input
multiplier
subcarrier
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.)
Pending
Application number
JP12406079A
Other languages
English (en)
Inventor
Shigeki Inoue
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12406079A priority Critical patent/JPS5648738A/ja
Publication of JPS5648738A publication Critical patent/JPS5648738A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04H40/54—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 generating subcarriers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP12406079A 1979-09-28 1979-09-28 Stereophonic demodulation system Pending JPS5648738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12406079A JPS5648738A (en) 1979-09-28 1979-09-28 Stereophonic demodulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12406079A JPS5648738A (en) 1979-09-28 1979-09-28 Stereophonic demodulation system

Publications (1)

Publication Number Publication Date
JPS5648738A true JPS5648738A (en) 1981-05-02

Family

ID=14875964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12406079A Pending JPS5648738A (en) 1979-09-28 1979-09-28 Stereophonic demodulation system

Country Status (1)

Country Link
JP (1) JPS5648738A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58134546A (ja) * 1982-02-04 1983-08-10 Pioneer Electronic Corp ステレオ復調装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346255A (en) * 1976-10-08 1978-04-25 Hitachi Ltd Pll circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346255A (en) * 1976-10-08 1978-04-25 Hitachi Ltd Pll circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58134546A (ja) * 1982-02-04 1983-08-10 Pioneer Electronic Corp ステレオ復調装置

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