DK578981A - Arrangement til vinkelmodulation af en faselaast sloejfefrekvenssyntetisator - Google Patents

Arrangement til vinkelmodulation af en faselaast sloejfefrekvenssyntetisator

Info

Publication number
DK578981A
DK578981A DK578981A DK578981A DK578981A DK 578981 A DK578981 A DK 578981A DK 578981 A DK578981 A DK 578981A DK 578981 A DK578981 A DK 578981A DK 578981 A DK578981 A DK 578981A
Authority
DK
Denmark
Prior art keywords
faseless
arrangement
angle modulation
frequency synthesis
load frequency
Prior art date
Application number
DK578981A
Other languages
Danish (da)
English (en)
Inventor
S B Sorensen
M Tugcu
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of DK578981A publication Critical patent/DK578981A/da

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/09Modifications of modulator for regulating the mean frequency
    • H03C3/0908Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0983Modifications of modulator for regulating the mean frequency using a phase locked loop containing in the loop a mixer other than for phase detection
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/09Modifications of modulator for regulating the mean frequency
    • H03C3/0908Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0916Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0925Modifications 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/09Modifications of modulator for regulating the mean frequency
    • H03C3/0908Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0941Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/09Modifications of modulator for regulating the mean frequency
    • H03C3/0908Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0958Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation by varying the characteristics of the voltage controlled oscillator
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/185Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using a mixer in the loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C2200/00Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037Functional aspects of modulators
    • H03C2200/005Modulation sensitivity
    • H03C2200/0054Filtering of the input modulating signal for obtaining a constant sensitivity of frequency modulation
DK578981A 1980-05-01 1981-12-28 Arrangement til vinkelmodulation af en faselaast sloejfefrekvenssyntetisator DK578981A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/000501 WO1981003250A1 (en) 1980-05-01 1980-05-01 Arrangement for angle modulating a phase-locked loop frequency synthesizer

Publications (1)

Publication Number Publication Date
DK578981A true DK578981A (da) 1981-12-28

Family

ID=22154314

Family Applications (1)

Application Number Title Priority Date Filing Date
DK578981A DK578981A (da) 1980-05-01 1981-12-28 Arrangement til vinkelmodulation af en faselaast sloejfefrekvenssyntetisator

Country Status (6)

Country Link
EP (1) EP0050124A4 (ko)
JP (1) JPS57500761A (ko)
CA (1) CA1175922A (ko)
DE (1) DE50124T1 (ko)
DK (1) DK578981A (ko)
WO (1) WO1981003250A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58105631A (ja) * 1981-12-17 1983-06-23 Nec Corp 周波数変調送信機
GB2140234B (en) * 1983-05-17 1986-07-23 Marconi Instruments Ltd Signal generators
US4755774A (en) * 1985-07-15 1988-07-05 Motorola Inc. Two-port synthesizer modulation system employing an improved reference phase modulator
DE8712331U1 (de) * 1986-09-26 1988-01-28 Flowtec AG, Reinach, Basel Corioliskraft-Massendurchflussmesser
DE19601013A1 (de) * 1996-01-13 1997-07-17 Bosch Gmbh Robert Verfahren und Anordnung zur Frequenzmodulation eines hochfrequenten Signals
FR2798019B1 (fr) * 1999-08-26 2002-08-16 Cit Alcatel Synthetiseur de frequences a boucle de phase
GB2389252B (en) 2002-05-31 2006-09-27 Zarlink Semiconductor Ltd A frequency modulation system & method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593182A (en) * 1969-04-16 1971-07-13 Motorola Inc Afc system for microwave energy sources
US3622913A (en) * 1969-10-29 1971-11-23 Rca Corp Frequency modulated phase-locked oscillator having a low- and high-frequency response
US3805192A (en) * 1972-08-09 1974-04-16 Electronic Communications Frequency modulator-variable frequency generator
DE2914814A1 (de) * 1979-04-11 1980-10-30 Siemens Ag Frequenzmodulator

Also Published As

Publication number Publication date
WO1981003250A1 (en) 1981-11-12
EP0050124A1 (en) 1982-04-28
EP0050124A4 (en) 1982-09-03
JPS57500761A (ko) 1982-04-30
CA1175922A (en) 1984-10-09
DE50124T1 (de) 1983-01-05

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment