GB1314462A - Signal generators - Google Patents

Signal generators

Info

Publication number
GB1314462A
GB1314462A GB1131571A GB1131571A GB1314462A GB 1314462 A GB1314462 A GB 1314462A GB 1131571 A GB1131571 A GB 1131571A GB 1131571 A GB1131571 A GB 1131571A GB 1314462 A GB1314462 A GB 1314462A
Authority
GB
United Kingdom
Prior art keywords
frequency
frequency divider
adjusting
difference detector
mixer
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
GB1131571A
Other languages
English (en)
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.)
Unisys Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1314462A publication Critical patent/GB1314462A/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
    • H03L7/185—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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB1131571A 1970-04-28 1971-04-26 Signal generators Expired GB1314462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3267270A 1970-04-28 1970-04-28

Publications (1)

Publication Number Publication Date
GB1314462A true GB1314462A (en) 1973-04-26

Family

ID=21866187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1131571A Expired GB1314462A (en) 1970-04-28 1971-04-26 Signal generators

Country Status (3)

Country Link
DE (1) DE2120935A1 (enExample)
FR (1) FR2086413B1 (enExample)
GB (1) GB1314462A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314208A (en) 1978-05-26 1982-02-02 Racal Group Services Limited Frequency adjusting methods and systems
EP0944172A3 (en) * 1998-03-19 2000-03-29 Conexant Systems, Inc. Phase-locked loop for generating an output signal in two or more frequency ranges

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1473202A (fr) * 1966-01-25 1967-03-17 Cit Alcatel Générateur de fréquences régulièrement échelonnées dans une très large bande
US3448401A (en) * 1967-08-24 1969-06-03 Bendix Corp Digital frequency synthesizer eliminating high speed counters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314208A (en) 1978-05-26 1982-02-02 Racal Group Services Limited Frequency adjusting methods and systems
EP0944172A3 (en) * 1998-03-19 2000-03-29 Conexant Systems, Inc. Phase-locked loop for generating an output signal in two or more frequency ranges

Also Published As

Publication number Publication date
FR2086413B1 (enExample) 1976-03-19
FR2086413A1 (enExample) 1971-12-31
DE2120935A1 (de) 1971-12-23

Similar Documents

Publication Publication Date Title
ES421933A1 (es) Un transmisor de bucle sincronizado en fase.
GB1445625A (en) Generator with decade frequency adjustment
GB1264903A (enExample)
GB1325219A (en) Variable frequency oscillator systems
GB1173203A (en) Improvements in or relating to Variable Frequency Crystal Stabilised Signal Generators
GB1447418A (en) Frequency synthesiser
SE314416B (enExample)
GB1314462A (en) Signal generators
GB1160794A (en) Adjustable Frequency Atomic Frequency Standard
ES403830A1 (es) Perfeccionamientos aportados a los sintetizadores de fre- cuencias con oscilador libre.
GB972463A (en) Frequency generating system
GB1229376A (enExample)
GB1438126A (en) Oscillator unit and method of digital adjustment of output frequency thereof
GB1263928A (en) Improvements in or relating to frequency synthesisers
ES426500A1 (es) Un circuito para generar frecuencias de canal.
GB1192680A (en) Frequency Generator
GB1191433A (en) Improvements in or relating to Frequency Synthesisers.
GB1304852A (enExample)
GB1211971A (en) Frequency synthesizer apparatus
GB1204365A (en) Phase-locked loop
ES471307A1 (es) Un montaje de reloj patron mejorado
GB1395604A (en) Frequency synthesizer with multiple control loops
GB1404468A (en) Circuit arrangement for generating two amplitude-stabilised sinusoidal signals which are 90 o out of phase relative to one another
GB1276986A (en) Frequency synthesis system
GB1303631A (enExample)

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees