GB1365607A - Frequency synthesizer - Google Patents

Frequency synthesizer

Info

Publication number
GB1365607A
GB1365607A GB1831272A GB1831272A GB1365607A GB 1365607 A GB1365607 A GB 1365607A GB 1831272 A GB1831272 A GB 1831272A GB 1831272 A GB1831272 A GB 1831272A GB 1365607 A GB1365607 A GB 1365607A
Authority
GB
United Kingdom
Prior art keywords
frequency
output
detector
oscillator
discriminator
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
GB1831272A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1365607A publication Critical patent/GB1365607A/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

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB1831272A 1971-04-23 1972-04-20 Frequency synthesizer Expired GB1365607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA111140A CA923991A (en) 1971-04-23 1971-04-23 Frequency synthesis system

Publications (1)

Publication Number Publication Date
GB1365607A true GB1365607A (en) 1974-09-04

Family

ID=4089452

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1831272A Expired GB1365607A (en) 1971-04-23 1972-04-20 Frequency synthesizer

Country Status (9)

Country Link
JP (1) JPS5331347B1 (enExample)
AU (1) AU461035B2 (enExample)
BE (1) BE782538A (enExample)
CA (1) CA923991A (enExample)
DE (1) DE2216148A1 (enExample)
FR (1) FR2134405B1 (enExample)
GB (1) GB1365607A (enExample)
NL (1) NL7205222A (enExample)
SE (1) SE368491B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3046486C2 (de) * 1980-12-10 1984-03-22 Wandel & Goltermann Gmbh & Co, 7412 Eningen Verfahren zum Vermindern des Rauschens eines digital einstellbaren Frequenzerzeugers und danach arbeitender Frequenzerzeuger

Also Published As

Publication number Publication date
BE782538A (fr) 1972-10-23
SE368491B (enExample) 1974-07-01
FR2134405B1 (enExample) 1975-06-20
DE2216148A1 (de) 1972-11-02
CA923991A (en) 1973-04-03
JPS5331347B1 (enExample) 1978-09-01
NL7205222A (enExample) 1972-10-25
AU4126572A (en) 1973-10-25
FR2134405A1 (enExample) 1972-12-08
AU461035B2 (en) 1975-04-18

Similar Documents

Publication Publication Date Title
EP0515074B1 (en) Frequency controlled oscillator for high frequency phase-locked loop
US4105947A (en) Pulse wave phase and frequency detector
US3546617A (en) Digital frequency synthesizer
GB1173203A (en) Improvements in or relating to Variable Frequency Crystal Stabilised Signal Generators
US4344045A (en) Phase locked loop frequency synthesizer with fine tuning
US4001714A (en) Search and confirm frequency synthesizer
US3713040A (en) Signal frequency controller
GB1022965A (en) Improvements in or relating to variable frequency signal generators
US3363193A (en) Adjustable frequency atomic frequency standard
GB1365607A (en) Frequency synthesizer
US3688212A (en) Frequency synthesis system
US3619802A (en) Frequency synthesizer
EP0203756A2 (en) Frequency synthesisers
GB1259152A (enExample)
US3219944A (en) Reactance controlled transistor oscillator circuit arrangement
ES426500A1 (es) Un circuito para generar frecuencias de canal.
US3838354A (en) Frequency synthesizer having three control loops
US3866137A (en) Phase locked frequency divider circuitry
US3398377A (en) Multiple-frequency generators
GB1395604A (en) Frequency synthesizer with multiple control loops
US3408591A (en) Time scale changer for atomic stabilized frequency sources
FR2230117A1 (en) Broadband iterative HF frequency synthesiser oscillator - is controlled by two phase frequency locked loops with controlled frequency divider
US3348164A (en) Afc for diverse frequency sources
JPS5918757Y2 (ja) Ｐｌｌ回路使用の周波数シンセサイザ
SU748337A1 (ru) Генератор калиброванных интервалов времени

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee