DE3061310D1 - Frequency shift modulator - Google Patents

Frequency shift modulator

Info

Publication number
DE3061310D1
DE3061310D1 DE8080200301T DE3061310T DE3061310D1 DE 3061310 D1 DE3061310 D1 DE 3061310D1 DE 8080200301 T DE8080200301 T DE 8080200301T DE 3061310 T DE3061310 T DE 3061310T DE 3061310 D1 DE3061310 D1 DE 3061310D1
Authority
DE
Germany
Prior art keywords
frequency shift
shift modulator
modulator
frequency
shift
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
DE8080200301T
Other languages
English (en)
Inventor
Robert Boudault
Gerard Societe Civi Pouzoullic
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Application granted granted Critical
Publication of DE3061310D1 publication Critical patent/DE3061310D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
DE8080200301T 1979-04-06 1980-03-31 Frequency shift modulator Expired DE3061310D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908725A FR2453536A1 (fr) 1979-04-06 1979-04-06 Modulateur a deplacement de frequence

Publications (1)

Publication Number Publication Date
DE3061310D1 true DE3061310D1 (en) 1983-01-20

Family

ID=9224044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080200301T Expired DE3061310D1 (en) 1979-04-06 1980-03-31 Frequency shift modulator

Country Status (7)

Country Link
US (1) US4323862A (de)
EP (1) EP0017301B1 (de)
JP (1) JPS55135455A (de)
AU (1) AU530833B2 (de)
CA (1) CA1112308A (de)
DE (1) DE3061310D1 (de)
FR (1) FR2453536A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485306A1 (fr) * 1980-06-23 1981-12-24 Trt Telecom Radio Electr Systeme de test local d'un modem utilisant la modulation par deplacement de frequence
US4411005A (en) * 1981-12-21 1983-10-18 General Electric Company Data circuit for frequency modulating an oscillator
FR2529418A1 (fr) * 1982-06-25 1983-12-30 Trt Telecom Radio Electr Circuit d'emission pour des modems utilisant la modulation par deplacement de frequence
FR2530094B1 (fr) * 1982-07-07 1988-05-13 Trt Telecom Radio Electr Modulateur pour transmission de donnees analogiques
GB2351620A (en) * 1999-07-01 2001-01-03 Semelab Plc Triangle wave generator, current sensor, class D power amplifier, anti-hiss circuit and loudspeaker protection circuit
KR100759553B1 (ko) 2005-04-06 2007-09-18 삼성에스디아이 주식회사 플라즈마 디스플레이 모듈

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835419A (en) * 1973-04-18 1974-09-10 Us Navy Current switching frequency modulator
DE2325393C3 (de) * 1973-05-18 1978-05-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Oszillator zur Erzeugung eines Signals, dessen Impulsfolgefrequenz steuerbar um eine konstante Mittenfrequenz variiert
US3914694A (en) * 1973-09-12 1975-10-21 Sun Oil Co Pennsylvania Frequency modulation circuit
CA1037565A (en) * 1974-05-09 1978-08-29 Gte Lenkurt Electric (Canada) Ltd. Digital frequency shift-keyed transmitter
JPS576138B2 (de) * 1975-01-17 1982-02-03

Also Published As

Publication number Publication date
JPS55135455A (en) 1980-10-22
EP0017301B1 (de) 1982-12-15
AU5714080A (en) 1980-10-09
JPS6324345B2 (de) 1988-05-20
AU530833B2 (en) 1983-07-28
FR2453536A1 (fr) 1980-10-31
EP0017301A1 (de) 1980-10-15
CA1112308A (en) 1981-11-10
US4323862A (en) 1982-04-06
FR2453536B1 (de) 1982-06-04

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee