CA997010A - High spectral purity frequency synthesizer - Google Patents

High spectral purity frequency synthesizer

Info

Publication number
CA997010A
CA997010A CA202,159A CA202159A CA997010A CA 997010 A CA997010 A CA 997010A CA 202159 A CA202159 A CA 202159A CA 997010 A CA997010 A CA 997010A
Authority
CA
Canada
Prior art keywords
frequency synthesizer
spectral purity
high spectral
purity frequency
synthesizer
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
CA202,159A
Other versions
CA202159S (en
Inventor
Elchanan D. Menkes
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA997010A publication Critical patent/CA997010A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03L7/191—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 at least two different signals from the frequency divider or the counter for determining the time difference
CA202,159A 1973-08-01 1974-06-11 High spectral purity frequency synthesizer Expired CA997010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38470973A 1973-08-01 1973-08-01

Publications (1)

Publication Number Publication Date
CA997010A true CA997010A (en) 1976-09-14

Family

ID=23518420

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,159A Expired CA997010A (en) 1973-08-01 1974-06-11 High spectral purity frequency synthesizer

Country Status (3)

Country Link
JP (1) JPS5034769A (en)
CA (1) CA997010A (en)
DE (1) DE2402696A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280104A (en) * 1979-08-10 1981-07-21 Matsushita Electric Corporation Of America Phase locked loop system with improved acquisition
US4409563A (en) * 1981-02-26 1983-10-11 General Electric Company Phase locked loop frequency synthesizer with frequency compression loop
JPH0531838Y2 (en) * 1987-10-16 1993-08-16

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286191A (en) * 1965-04-08 1966-11-15 Hoffman Electronics Corp Afc with offset frequency divider
JPS4428408Y1 (en) * 1966-03-31 1969-11-26

Also Published As

Publication number Publication date
JPS5034769A (en) 1975-04-03
DE2402696A1 (en) 1975-02-13

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