DE3268437D1 - Multiplier circuit for stereo decoders - Google Patents

Multiplier circuit for stereo decoders

Info

Publication number
DE3268437D1
DE3268437D1 DE8282201222T DE3268437T DE3268437D1 DE 3268437 D1 DE3268437 D1 DE 3268437D1 DE 8282201222 T DE8282201222 T DE 8282201222T DE 3268437 T DE3268437 T DE 3268437T DE 3268437 D1 DE3268437 D1 DE 3268437D1
Authority
DE
Germany
Prior art keywords
multiplier circuit
stereo decoders
decoders
stereo
multiplier
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
DE8282201222T
Other languages
German (de)
English (en)
Inventor
Theodoor A C M Claasen
Albert Jan Stienstra
Roermund Arthur Hermanus M Van
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3268437D1 publication Critical patent/DE3268437D1/de
Expired 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
    • H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
    • H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
    • H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
    • H04H20/48—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for FM 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplitude Modulation (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE8282201222T 1981-10-14 1982-09-30 Multiplier circuit for stereo decoders Expired DE3268437D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8104668A NL8104668A (nl) 1981-10-14 1981-10-14 Vermenigvuldigschakeling voor stereo-decoders.

Publications (1)

Publication Number Publication Date
DE3268437D1 true DE3268437D1 (de) 1986-02-20

Family

ID=19838217

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282201222T Expired DE3268437D1 (de) 1981-10-14 1982-09-30 Multiplier circuit for stereo decoders

Country Status (6)

Country Link
US (1) US4517655A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0077091B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5886667A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU557132B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3268437D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL8104668A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182626A (ja) * 1983-03-31 1984-10-17 Toshiba Corp スイッチング回路
NL8302591A (nl) * 1983-07-20 1985-02-18 Philips Nv Vermenigvuldigschakeling met geschakelde capaciteiten circuits.
NL8401277A (nl) * 1984-04-19 1985-11-18 Philips Nv Fasevergrendelde lus met omschakelbare fasedetektor.
NL8502071A (nl) * 1985-07-18 1987-02-16 Philips Nv Vermenigvuldigschakeling van het geschakelde capaciteiten type.
US4727333A (en) * 1986-06-30 1988-02-23 Rca Corporation Circuitry for multiplying a PCM signal by a sinusoid
US5182521A (en) * 1987-08-28 1993-01-26 The University Of Melbourne Time-multiplexed switched capacitor circuit having reduced capacitance
WO1989006069A1 (en) * 1987-12-24 1989-06-29 The University Of Melbourne Switched capacitor circuits
DE3838872A1 (de) * 1988-11-17 1990-05-23 Olympia Aeg Modulationsverfahren und anordnung zum durchfuehren des verfahrens
KR960038596A (ko) * 1995-04-26 1996-11-21 수나오 타카토리 곱셈회로
EP1515430A1 (en) * 2003-09-15 2005-03-16 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Mixer for the conversion of radio frequency signals into baseband signals

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517298A (en) * 1968-07-09 1970-06-23 Peter L Richman Harmonic-insensitive gated a.c.-to-d.c. converter
NL154082B (nl) * 1968-07-09 1977-07-15 Philips Nv Inrichting voor overdracht van rechthoekige synchrone informatiepulsen.
AT325115B (de) * 1972-05-16 1975-10-10 Siemens Ag Anordnung zur übertragung eines amplitudenmodulierten amplitudensignals
US3962551A (en) * 1974-03-28 1976-06-08 Motorola, Inc. Methods and systems for providing stereo decoding signals
US4142241A (en) * 1977-10-19 1979-02-27 North Atlantic Industries, Inc. Harmonic insensitive phase sensitive demodulator
IT1159657B (it) * 1978-05-05 1987-03-04 Rai Radiotelevisione Italiana Codificatore stereofonico utilizzante un sistema di commutazione multilivello per la formazione del segnale stereofonico
US4194161A (en) * 1978-10-25 1980-03-18 Harris Corporation Switching modulators and demodulators utilizing modified switching signal
GB2052218B (en) * 1979-01-09 1983-04-20 Victor Company Of Japan Method and apparatus for frequency multiplying an electrical signal
US4320361A (en) * 1979-07-20 1982-03-16 Marconi Instruments Limited Amplitude and frequency modulators using a switchable component controlled by data signals
SU955109A1 (ru) * 1979-12-11 1982-08-30 Предприятие П/Я Г-4934 Устройство дл формировани квадратурных гармонических колебаний
US4346354A (en) * 1980-09-29 1982-08-24 Continental Electronics, Inc. Amplitude modulator using variable width rectangular pulse generator

Also Published As

Publication number Publication date
US4517655A (en) 1985-05-14
JPS612990B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-01-29
AU557132B2 (en) 1986-12-04
EP0077091A1 (en) 1983-04-20
NL8104668A (nl) 1983-05-02
EP0077091B1 (en) 1986-01-08
JPS5886667A (ja) 1983-05-24
AU8930882A (en) 1983-04-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee