GB1301840A - - Google Patents

Info

Publication number
GB1301840A
GB1301840A GB1301840DA GB1301840A GB 1301840 A GB1301840 A GB 1301840A GB 1301840D A GB1301840D A GB 1301840DA GB 1301840 A GB1301840 A GB 1301840A
Authority
GB
United Kingdom
Prior art keywords
adjustment
synthesizers
frequency
steps
dividers
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
Other languages
English (en)
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 filed Critical
Publication of GB1301840A publication Critical patent/GB1301840A/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
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers

Landscapes

  • Transceivers (AREA)
GB1301840D 1969-03-13 1969-03-13 Expired GB1301840A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1333169 1969-03-13

Publications (1)

Publication Number Publication Date
GB1301840A true GB1301840A (enrdf_load_stackoverflow) 1973-01-04

Family

ID=10020990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1301840D Expired GB1301840A (enrdf_load_stackoverflow) 1969-03-13 1969-03-13

Country Status (1)

Country Link
GB (1) GB1301840A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403682A1 (fr) * 1977-09-14 1979-04-13 Wandel & Goltermann Generateur de frequence a reglage numerique comportant plusieurs oscillateurs
US4322692A (en) 1979-03-06 1982-03-30 Racal-Dana Instruments Limited Microprocessor-controlled frequency synthesizer
US4528522A (en) * 1981-09-28 1985-07-09 Nippon Electric Co., Ltd. FM Transceiver frequency synthesizer
GB2304242A (en) * 1995-08-09 1997-03-12 At & T Corp Frequency synthesizer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403682A1 (fr) * 1977-09-14 1979-04-13 Wandel & Goltermann Generateur de frequence a reglage numerique comportant plusieurs oscillateurs
US4191930A (en) * 1977-09-14 1980-03-04 Wandel U. Goltermann Gmbh & Co. Digitally settable frequency generator
US4322692A (en) 1979-03-06 1982-03-30 Racal-Dana Instruments Limited Microprocessor-controlled frequency synthesizer
US4422053A (en) 1979-03-06 1983-12-20 Racal-Dana Instruments Limited Frequency modulator including frequency synthesizer
US4528522A (en) * 1981-09-28 1985-07-09 Nippon Electric Co., Ltd. FM Transceiver frequency synthesizer
GB2304242A (en) * 1995-08-09 1997-03-12 At & T Corp Frequency synthesizer

Similar Documents

Publication Publication Date Title
GB1325219A (en) Variable frequency oscillator systems
GB1173203A (en) Improvements in or relating to Variable Frequency Crystal Stabilised Signal Generators
GB1113843A (en) Improvements in or relating to frequency generators
GB1176760A (en) Digitally Controlled Frequency Synthesizer.
GB1301840A (enrdf_load_stackoverflow)
CA1216032A (en) Variable digital frequency generator with value storage
GB1160794A (en) Adjustable Frequency Atomic Frequency Standard
ES426500A1 (es) Un circuito para generar frecuencias de canal.
ES403830A1 (es) Perfeccionamientos aportados a los sintetizadores de fre- cuencias con oscilador libre.
JPS54112152A (en) Frequency divider
GB1026654A (en) Signal generator
GB1304852A (enrdf_load_stackoverflow)
US3826995A (en) Frequency generators
GB1217358A (en) Very-low and low-frequency precision phase calibrator
GB1192680A (en) Frequency Generator
US3701026A (en) Median frequency generator
FR2273401A2 (en) Wide range frequency generator with supplementary step cct. - has phase lock loop with programmable divider before cct.
GB1303631A (enrdf_load_stackoverflow)
US3168711A (en) Beat-frequency oscillator
GB1285161A (en) Oscillation generators
GB1211971A (en) Frequency synthesizer apparatus
GB1106456A (en) Improvements relating to frequency synthesis
JPS5333038A (en) Phase synchronizing oscillator
SU489226A1 (ru) Делитель частоты
GB863593A (en) Digital phase storage circuit

Legal Events

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