JPS56162507A - Frequency modulator - Google Patents

Frequency modulator

Info

Publication number
JPS56162507A
JPS56162507A JP5779881A JP5779881A JPS56162507A JP S56162507 A JPS56162507 A JP S56162507A JP 5779881 A JP5779881 A JP 5779881A JP 5779881 A JP5779881 A JP 5779881A JP S56162507 A JPS56162507 A JP S56162507A
Authority
JP
Japan
Prior art keywords
frequency modulator
modulator
frequency
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.)
Granted
Application number
JP5779881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0147923B2 (enExample
Inventor
Ansonii Jiyoodan Piitaa
Jiimusu Andaahiru Maikeru
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
Publication of JPS56162507A publication Critical patent/JPS56162507A/ja
Publication of JPH0147923B2 publication Critical patent/JPH0147923B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
JP5779881A 1980-04-16 1981-04-16 Frequency modulator Granted JPS56162507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8012481A GB2074421B (en) 1980-04-16 1980-04-16 Frequency modulator circuit arrangement

Publications (2)

Publication Number Publication Date
JPS56162507A true JPS56162507A (en) 1981-12-14
JPH0147923B2 JPH0147923B2 (enExample) 1989-10-17

Family

ID=10512816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5779881A Granted JPS56162507A (en) 1980-04-16 1981-04-16 Frequency modulator

Country Status (5)

Country Link
US (1) US4503405A (enExample)
JP (1) JPS56162507A (enExample)
DE (1) DE3113800A1 (enExample)
FR (1) FR2481023A1 (enExample)
GB (1) GB2074421B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117198A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
GB2117197A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
GB2117199A (en) * 1982-03-19 1983-10-05 Philips Electronic Associated Frequency synthesiser
AT387679B (de) * 1984-07-25 1989-02-27 Sat Systeme Automatisierung Senderschaltung zur erzeugung frequenzmodulierter signale
JP3135253B2 (ja) * 1990-11-02 2001-02-13 キヤノン株式会社 信号処理装置
US5255269A (en) * 1992-03-30 1993-10-19 Spacecom Systems, Inc. Transmission of data by frequency modulation using gray code
DE4302543A1 (de) * 1993-01-29 1994-08-04 Siemens Ag Phasenmodulator
JP2001111450A (ja) * 1999-10-13 2001-04-20 Nec Corp 無線通信装置及びそれに用いる送受信制御方式
DE102004027184B3 (de) 2004-06-03 2006-01-12 Infineon Technologies Ag Frequenzmodulator und Verfahren zur Frequenzmodulation
US7221704B2 (en) * 2005-08-01 2007-05-22 Marvell World Trade Ltd. All digital implementation of clock spectrum spreading (dither) for low power/die area

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566826A (en) * 1948-02-03 1951-09-04 James R Day Sawtooth frequency modulator
FR1604830A (enExample) * 1968-05-17 1972-04-17
US3493866A (en) * 1968-06-13 1970-02-03 Sperry Rand Corp Frequency stepped phase shift keyed communication system
US4110707A (en) * 1976-12-13 1978-08-29 Texas Instruments Incorporated Indirect FM modulation scheme using phase locked loop
US4068198A (en) * 1976-12-23 1978-01-10 Gte Sylvania Incorporated Phase-locked loop frequency shift key modulator
US4359779A (en) * 1980-12-08 1982-11-16 International Telephone And Telegraph Corporation FM Transmitter with frequency ramp phase and amplitude correction means

Also Published As

Publication number Publication date
FR2481023A1 (fr) 1981-10-23
GB2074421B (en) 1983-12-07
DE3113800A1 (de) 1982-03-11
JPH0147923B2 (enExample) 1989-10-17
FR2481023B1 (enExample) 1984-05-11
GB2074421A (en) 1981-10-28
US4503405A (en) 1985-03-05

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