CA1175922A - Arrangement for angle modulating a phase-locked loop frequency synthesizer - Google Patents

Arrangement for angle modulating a phase-locked loop frequency synthesizer

Info

Publication number
CA1175922A
CA1175922A CA000376670A CA376670A CA1175922A CA 1175922 A CA1175922 A CA 1175922A CA 000376670 A CA000376670 A CA 000376670A CA 376670 A CA376670 A CA 376670A CA 1175922 A CA1175922 A CA 1175922A
Authority
CA
Canada
Prior art keywords
phase
input
output
signal
loop
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
CA000376670A
Other languages
English (en)
French (fr)
Inventor
Sigurd B. Sorensen
Mehmet Tugcu
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1175922A publication Critical patent/CA1175922A/en
Expired legal-status Critical Current

Links

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
    • H03C3/0983—Modifications of modulator for regulating the mean frequency using a phase locked loop containing in the loop a mixer other than for phase detection
    • 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
    • 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
    • H03C3/0958—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation by varying the characteristics of the voltage controlled oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect 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
    • H03L7/183—Indirect 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
    • H03L7/185—Indirect 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
    • 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
    • H03C2200/005—Modulation sensitivity
    • H03C2200/0054—Filtering of the input modulating signal for obtaining a constant sensitivity of frequency modulation

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
CA000376670A 1980-05-01 1981-05-01 Arrangement for angle modulating a phase-locked loop frequency synthesizer Expired CA1175922A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US501 1980-05-01
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
CA1175922A true CA1175922A (en) 1984-10-09

Family

ID=22154314

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000376670A Expired CA1175922A (en) 1980-05-01 1981-05-01 Arrangement for angle modulating a phase-locked loop frequency synthesizer

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
EP0050124A1 (en) 1982-04-28
DK578981A (da) 1981-12-28
DE50124T1 (de) 1983-01-05
EP0050124A4 (en) 1982-09-03
JPS57500761A (ko) 1982-04-30
WO1981003250A1 (en) 1981-11-12

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