SE8002675L - Frekvensmodulator - Google Patents

Frekvensmodulator

Info

Publication number: SE8002675L
Authority: SE; Sweden
Prior art keywords: frequency; way; modulation signal; control loop; modulation
Prior art date: 1979-04-11

Application number

SE8002675A

Other languages

English (en)

Inventor

B Sommer

P Baier

K Knapp

Original Assignee

Siemens Ag

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.)

1979-04-11

Filing date

1980-04-09

Publication date

1980-10-12

1980-04-09 Application filed by Siemens Ag filed Critical Siemens Ag

1980-10-12 Publication of SE8002675L publication Critical patent/SE8002675L/sv

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
- H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback loop
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
- 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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
- H03C2200/0037—Functional aspects of modulators
- H03C2200/0075—FM modulation down to DC

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Transmitters (AREA)

SE8002675A 1979-04-11 1980-04-09 Frekvensmodulator SE8002675L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792914814 DE2914814A1 (de)	1979-04-11	1979-04-11	Frequenzmodulator

Publications (1)

Publication Number	Publication Date
SE8002675L true SE8002675L (sv)	1980-10-12

Family

ID=6068147

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8002675A SE8002675L (sv)	1979-04-11	1980-04-09	Frekvensmodulator

Country Status (12)

Country	Link
US (1)	US4308508A (sv)
JP (1)	JPS55140305A (sv)
BE (1)	BE882756A (sv)
CA (1)	CA1158324A (sv)
CH (1)	CH652879A5 (sv)
DE (1)	DE2914814A1 (sv)
FR (1)	FR2454219B1 (sv)
GB (1)	GB2046541B (sv)
IL (1)	IL59799A (sv)
IT (1)	IT1141536B (sv)
NL (1)	NL8002148A (sv)
SE (1)	SE8002675L (sv)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3015484A1 (de) *	1980-04-22	1981-10-29	Siemens AG, 1000 Berlin und 8000 München	Verfahren zur frequenzstabilisierung eines hochfrequenten freischwingenden oszillators
EP0050124A4 (en) *	1980-05-01	1982-09-03	Gen Electric	ARRANGEMENT FOR FREQUENCY MODULATION OF A FREQUENCY SYNTHESISER WITH A PHASE-FREE LOOP.
US4481489A (en) *	1981-07-02	1984-11-06	Motorola Inc.	Binary signal modulating circuitry for frequency modulated transmitters
FR2511564A1 (fr) *	1981-08-17	1983-02-18	Thomson Csf	Synthetiseur de frequences a division fractionnaire, utilise pour une modulation angulaire numerique
JPS58125940A (ja) *	1982-01-21	1983-07-27	Matsushita Electric Ind Co Ltd	マイクロ波変調回路
JPS58186249A (ja) *	1982-04-23	1983-10-31	Nippon Telegr & Teleph Corp <Ntt>	自動周波数制御方式
GB8313616D0 (en) *	1983-05-17	1983-06-22	Marconi Instruments Ltd	Signal generators
GB2140234B (en) *	1983-05-17	1986-07-23	Marconi Instruments Ltd	Signal generators
US4562414A (en) *	1983-12-27	1985-12-31	Motorola, Inc.	Digital frequency modulation system and method
DE3716061C2 (de) *	1987-05-14	1997-01-23	Daimler Benz Aerospace Ag	Modulator zur Erzeugung eines frequenzmodulierten HF-Signals
US4810977A (en) *	1987-12-22	1989-03-07	Hewlett-Packard Company	Frequency modulation in phase-locked loops
EP0332087A1 (de) *	1988-03-09	1989-09-13	Siemens Aktiengesellschaft	Frequenzmodulator
GB8915719D0 (en) *	1989-07-08	1989-08-31	Plessey Co Plc	Wide bandwidth direct synthesiser modulation
EP0408238B1 (en) *	1989-07-08	1996-03-27	Plessey Semiconductors Limited	A frequency synthesiser
GB2237157A (en) *	1989-10-20	1991-04-24	Marconi Instruments Ltd	Control of frequency modulators
GB2282284B (en) *	1993-09-28	1998-01-21	Plessey Semiconductors Ltd	Modulators
GB2317512B (en) *	1996-09-12	2001-01-24	Nokia Mobile Phones Ltd	Frequency modulation using a phase-locked loop
US6028411A (en) *	1997-01-29	2000-02-22	Seagate Technology, Inc.	Circuit and method for modulating the commutation frequency of a disc drive motor
GB2339349B (en) *	1997-01-29	2000-10-18	Seagate Technology	A method and apparatus for controlling a motor in a disc drive by modulating the commutation angle
US6658239B1 (en) *	1997-05-09	2003-12-02	Micrel Incorporated	Fully integrated ALL-CMOS AM transmitter with automatic antenna tuning
US6253068B1 (en) *	1997-05-09	2001-06-26	Micrel, Incorporated	Fully integrated all-CMOS AM transmitter with automatic antenna tuning
DE69826835T2 (de) *	1998-05-29	2006-02-23	Motorola Semiconducteurs S.A.	Frequenzsynthetisierer
CA2281522C (en)	1999-09-10	2004-12-07	Philsar Electronics Inc.	Delta-sigma based two-point angle modulation scheme
GB0218166D0 (en) *	2002-08-06	2002-09-11	Mbda Uk Ltd	Waveform lineariser
US6909331B2 (en) *	2002-08-28	2005-06-21	Qualcomm Incorporated	Phase locked loop having a forward gain adaptation module
US6670861B1 (en) *	2002-08-29	2003-12-30	Analog Devices, Inc.	Method of modulation gain calibration and system thereof
US7706495B2 (en) *	2004-03-12	2010-04-27	Panasonic Corporation	Two-point frequency modulation apparatus
US7215215B2 (en) *	2004-03-15	2007-05-08	Matsushita Electric Industrial Co., Ltd.	Phase modulation apparatus, polar modulation transmission apparatus, wireless transmission apparatus and wireless communication apparatus
JP2007221773A (ja)	2006-01-19	2007-08-30	Matsushita Electric Ind Co Ltd	Ｐｌｌ変調回路、無線送信装置及び無線通信装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1594611A (sv) *	1968-09-30	1970-06-08
DE2055998C3 (de) *	1970-11-13	1975-09-04	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Einrichtung zur Frequenzregelung eines Oszillators
US3805192A (en) *	1972-08-09	1974-04-16	Electronic Communications	Frequency modulator-variable frequency generator
FR2250226A1 (en) *	1973-11-07	1975-05-30	Cit Alcatel	Logic signal controlled frequency modulator - signals are applied to variable oscillator through digital analogue converter
FR2256582B1 (sv) *	1973-12-27	1976-11-19	Trt Telecom Radio Electr
US4068199A (en) *	1976-12-23	1978-01-10	Gte Sylvania Incorporated	Digital phase-locked loop frequency modulator
FR2382796A1 (fr) *	1977-03-03	1978-09-29	Adret Electronique	Oscillateur module en frequence, comportant une boucle d'asservissement de phase dont l'action sur la modulation est compensee

1979
- 1979-04-11 DE DE19792914814 patent/DE2914814A1/de active Granted
1980
- 1980-03-03 CH CH1659/80A patent/CH652879A5/de not_active IP Right Cessation
- 1980-03-04 US US06/127,123 patent/US4308508A/en not_active Expired - Lifetime
- 1980-03-31 FR FR8007181A patent/FR2454219B1/fr not_active Expired
- 1980-04-03 GB GB8011359A patent/GB2046541B/en not_active Expired
- 1980-04-08 CA CA000349313A patent/CA1158324A/en not_active Expired
- 1980-04-09 IT IT21251/80A patent/IT1141536B/it active
- 1980-04-09 SE SE8002675A patent/SE8002675L/sv not_active Application Discontinuation
- 1980-04-10 JP JP4629580A patent/JPS55140305A/ja active Pending
- 1980-04-10 IL IL59799A patent/IL59799A/xx unknown
- 1980-04-11 NL NL8002148A patent/NL8002148A/nl not_active Application Discontinuation
- 1980-04-11 BE BE0/200200A patent/BE882756A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPS55140305A (en)	1980-11-01
CH652879A5 (de)	1985-11-29
FR2454219B1 (fr)	1985-10-04
US4308508A (en)	1981-12-29
DE2914814C2 (sv)	1988-01-07
CA1158324A (en)	1983-12-06
IT8021251A0 (it)	1980-04-09
IL59799A (en)	1982-07-30
IL59799A0 (en)	1980-06-30
GB2046541A (en)	1980-11-12
NL8002148A (nl)	1980-10-14
DE2914814A1 (de)	1980-10-30
IT1141536B (it)	1986-10-01
GB2046541B (en)	1983-11-02
BE882756A (fr)	1980-10-13
FR2454219A1 (fr)	1980-11-07

Publication	Publication Date	Title
SE8002675L (sv)	1980-10-12	Frekvensmodulator
ES421933A1 (es)	1976-08-01	Un transmisor de bucle sincronizado en fase.
SE8603552L (sv)	1987-02-24	Anordning for att meta mikrovagsbrus
SE8100243L (sv)	1981-07-22	Frekvenssyntetisator av typ fastlast slinga
FR2413814A1 (fr)	1979-07-27	Oscillateur a frequence variable possedant une frequence nominale stable
DK151754C (da)	1988-06-13	Digital fasereguleringskobling med en hjaelpekobling
ATE163110T1 (de)	1998-02-15	Frequenzmodulierter synthesierer mit niederfrequentem offset-gemischtem vco
FR2330198A1 (fr)	1977-05-27	Dispositif a oscillateurs a frequence variable
GB2012506A (en)	1979-07-25	Angle-modulation oscillator
FR2230117A1 (en)	1974-12-13	Broadband iterative HF frequency synthesiser oscillator - is controlled by two phase frequency locked loops with controlled frequency divider
JPS5531328A (en)	1980-03-05	Modulator
IE45589L (en)	1978-03-17	High frequency oscillator
SU396805A1 (ru)	1973-08-29	Устройство автоподстройки частоты свч-диапазона
JPS5683136A (en)	1981-07-07	Frequency synthesizer
SU527811A1 (ru)	1976-09-05	Устройство дл автоматической подстройки частоты
JPS55162605A (en)	1980-12-18	Fm modulation unit
JPS5745740A (en)	1982-03-15	Frequency synthesizer
GB1191433A (en)	1970-05-13	Improvements in or relating to Frequency Synthesisers.
JPS54154211A (en)	1979-12-05	Local oscillation circuit
SU61234A1 (ru)	1941-11-30	Устройство дл получени частотно-модулированных колебаний
JPS56147523A (en)	1981-11-16	Phase synchronizing circuit
GB1105340A (en)	1968-03-06	Improvements in or relating to frequency modulators
JPS5535564A (en)	1980-03-12	Frequency modulating device
JPS5652911A (en)	1981-05-12	Method and apparatus for phase modulation
JPS5693459A (en)	1981-07-29	Carrier wave reproducing circuit

Legal Events

Date	Code	Title	Description
1995-02-28	NAV	Patent application has lapsed	Ref document number: 8002675-0 Format of ref document f/p: F

Date

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Description

1995-02-28

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