DE2739669C2 - Multiplex-Stereo-Dekoder - Google Patents

Multiplex-Stereo-Dekoder

Info

Publication number
DE2739669C2
DE2739669C2 DE2739669A DE2739669A DE2739669C2 DE 2739669 C2 DE2739669 C2 DE 2739669C2 DE 2739669 A DE2739669 A DE 2739669A DE 2739669 A DE2739669 A DE 2739669A DE 2739669 C2 DE2739669 C2 DE 2739669C2
Authority
DE
Germany
Prior art keywords
transistor
amplifier
output
input
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.)
Expired
Application number
DE2739669A
Other languages
German (de)
English (en)
Other versions
DE2739669A1 (de
Inventor
Masanori Kodaira Ienaka
Yasuo Kokubunji Kominami
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 DE2739669A1 publication Critical patent/DE2739669A1/de
Application granted granted Critical
Publication of DE2739669C2 publication Critical patent/DE2739669C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D1/2227—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 switches for the decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Amplifiers (AREA)
DE2739669A 1976-09-13 1977-09-02 Multiplex-Stereo-Dekoder Expired DE2739669C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10879276A JPS5335301A (en) 1976-09-13 1976-09-13 Mpx decoder circuit

Publications (2)

Publication Number Publication Date
DE2739669A1 DE2739669A1 (de) 1978-03-16
DE2739669C2 true DE2739669C2 (de) 1983-06-30

Family

ID=14493585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2739669A Expired DE2739669C2 (de) 1976-09-13 1977-09-02 Multiplex-Stereo-Dekoder

Country Status (3)

Country Link
US (1) US4139738A (ref)
JP (1) JPS5335301A (ref)
DE (1) DE2739669C2 (ref)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2630787B2 (ja) * 1987-11-19 1997-07-16 三洋電機株式会社 ステレオ復調回路
US5171930A (en) * 1990-09-26 1992-12-15 Synchro Voice Inc. Electroglottograph-driven controller for a MIDI-compatible electronic music synthesizer device
US5157697A (en) * 1991-03-21 1992-10-20 Novatel Communications, Ltd. Receiver employing correlation technique for canceling cross-talk between in-phase and quadrature channels prior to decoding
US5550507A (en) * 1995-10-03 1996-08-27 U.S. Philips Corporation Demodulator employing cyclic switching of the gain factor of an operational amplifier between different predetermined values

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546612A (en) * 1968-09-16 1970-12-08 Barber Colman Co Non-linear condition sensor and compensating amplifier therefor
US3573382A (en) * 1969-02-06 1971-04-06 Motorola Inc A stereophonic receiver muting means with substitution of a dc circuit for an ac circuit
US3707603A (en) * 1969-12-29 1972-12-26 Rca Corp Fm stereophonic receiver detection apparatus and disabling means
US3721766A (en) * 1970-11-16 1973-03-20 Motorola Inc Frequency multiplying circuit utilizing time gates and switching signals of differing phases
US3711652A (en) * 1971-03-10 1973-01-16 Gen Electric Monolithic stereo decoder with balanced decoder operation
JPS5437213Y2 (ref) * 1973-09-13 1979-11-08
JPS5847108B2 (ja) * 1975-11-18 1983-10-20 ソニー株式会社 ステレオ復調装置の同期検波回路

Also Published As

Publication number Publication date
JPS5525550B2 (ref) 1980-07-07
DE2739669A1 (de) 1978-03-16
JPS5335301A (en) 1978-04-01
US4139738A (en) 1979-02-13

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
8128 New person/name/address of the agent

Representative=s name: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT. EBBINGHAUS

D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW. SCHULZ, R., DIPL.-PHYS. DR.RER.NAT., PAT.- U. RECHTSANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee
8328 Change in the person/name/address of the agent

Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN