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DE2745047A1 - Phasenstarre schaltung und stereophoner fm-demodulator - Google Patents

Phasenstarre schaltung und stereophoner fm-demodulator

Info

Publication number
DE2745047A1
DE2745047A1 DE19772745047 DE2745047A DE2745047A1 DE 2745047 A1 DE2745047 A1 DE 2745047A1 DE 19772745047 DE19772745047 DE 19772745047 DE 2745047 A DE2745047 A DE 2745047A DE 2745047 A1 DE2745047 A1 DE 2745047A1
Authority
DE
Germany
Prior art keywords
signal
pass filter
phase
low
amplifier
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
DE19772745047
Other languages
German (de)
English (en)
Inventor
Masanori Ienaka
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
Publication of DE2745047A1 publication Critical patent/DE2745047A1/de
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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE19772745047 1976-10-08 1977-10-06 Phasenstarre schaltung und stereophoner fm-demodulator Pending DE2745047A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12035476A JPS5346255A (en) 1976-10-08 1976-10-08 Pll circuit

Publications (1)

Publication Number Publication Date
DE2745047A1 true DE2745047A1 (de) 1978-04-20

Family

ID=14784133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772745047 Pending DE2745047A1 (de) 1976-10-08 1977-10-06 Phasenstarre schaltung und stereophoner fm-demodulator

Country Status (3)

Country Link
JP (1) JPS5346255A (ja)
DE (1) DE2745047A1 (ja)
NL (1) NL7711066A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2383481A (en) * 2001-12-17 2003-06-25 Mitsubishi Electric Corp RDS Decoder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5648738A (en) * 1979-09-28 1981-05-02 Hitachi Ltd Stereophonic demodulation system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5171764A (en) * 1974-12-19 1976-06-21 Tokyo Shibaura Electric Co Fueizu rotsuku ruupu

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2383481A (en) * 2001-12-17 2003-06-25 Mitsubishi Electric Corp RDS Decoder
GB2383481B (en) * 2001-12-17 2003-11-05 Mitsubishi Electric Corp RDS Decoder

Also Published As

Publication number Publication date
JPS5346255A (en) 1978-04-25
NL7711066A (nl) 1978-04-11

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
OHN Withdrawal