GB1185812A - Frequency Synthesizer - Google Patents

Frequency Synthesizer

Info

Publication number
GB1185812A
GB1185812A GB0898/68D GB189868D GB1185812A GB 1185812 A GB1185812 A GB 1185812A GB 0898/68 D GB0898/68 D GB 0898/68D GB 189868 D GB189868 D GB 189868D GB 1185812 A GB1185812 A GB 1185812A
Authority
GB
United Kingdom
Prior art keywords
frequency
counter
oscillator
generator
fed
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
GB0898/68D
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.)
Alcatel CIT SA
Original Assignee
CIT Compagnie Industrielle des Telecommunications SA
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
Priority claimed from FR90951A external-priority patent/FR1524102A/fr
Priority claimed from FR126416A external-priority patent/FR93386E/fr
Application filed by CIT Compagnie Industrielle des Telecommunications SA filed Critical CIT Compagnie Industrielle des Telecommunications SA
Publication of GB1185812A publication Critical patent/GB1185812A/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
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB0898/68D 1967-01-12 1968-01-12 Frequency Synthesizer Expired GB1185812A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR90951A FR1524102A (fr) 1967-01-12 1967-01-12 Synthétiseur de fréquence à large gamme à commande automatique
FR126416A FR93386E (fr) 1967-01-12 1967-10-30 Synthétiseur de fréquence a large gamme a commande automatique.
FR126417A FR93387E (fr) 1967-01-12 1967-10-30 Synthétiseur de fréquence a large gamme a commande automatique.

Publications (1)

Publication Number Publication Date
GB1185812A true GB1185812A (en) 1970-03-25

Family

ID=27243787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0898/68D Expired GB1185812A (en) 1967-01-12 1968-01-12 Frequency Synthesizer

Country Status (6)

Country Link
US (1) US3521183A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE708658A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR93387E (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1185812A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU55202A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6800560A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110995306A (zh) * 2018-10-02 2020-04-10 瑞昱半导体股份有限公司 无线区域网络收发器及其方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287655A (en) * 1964-11-30 1966-11-22 Douglas A Venn Digital control for disciplining oscillators

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110995306A (zh) * 2018-10-02 2020-04-10 瑞昱半导体股份有限公司 无线区域网络收发器及其方法
CN110995306B (zh) * 2018-10-02 2021-08-27 瑞昱半导体股份有限公司 无线区域网络收发器及其方法

Also Published As

Publication number Publication date
BE708658A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-06-28
US3521183A (en) 1970-07-21
FR93387E (fr) 1969-03-21
LU55202A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-08-12
NL6800560A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-07-15

Similar Documents

Publication Publication Date Title
US3988696A (en) Phase lock detector for digital frequency synthesizer
US4573023A (en) Multiple-multiple modulus prescaler for a phase-locked loop
US3895311A (en) Direct programmed differential synthesizers
US4048570A (en) Multiple-band digital frequency synthesizer receiver
US3286191A (en) Afc with offset frequency divider
US4225830A (en) Plural phase locked loop frequency synthesizer
US2848616A (en) Stepped frequency generating means
KR960036338A (ko) 가변 분주비를 설정하는 장치 및 방법과 이를 활용한 장치
US3202930A (en) Apparatus for frequency synthesis
GB1185812A (en) Frequency Synthesizer
US6249560B1 (en) PLL circuit and noise reduction means for PLL circuit
GB1155371A (en) Frequency Divider
US3758853A (en) Method of and apparatus for determining a tuned frequency
US3353112A (en) Frequency synthesizing system
US3354403A (en) Counter step-down frequency synthesizer
US3916334A (en) Frequency synthesizer using spectrum shift interpolation
US2827567A (en) Continuous precision tuning system
US3449690A (en) Frequency synthesizer
GB1372188A (en) Frequency synthesizers
US3918006A (en) Digital frequency synthesizer including phase locked loop
US4417352A (en) Microphase stepper employing improved digital timing incrementer employing a rate multiplier
GB1139776A (en) Improvements in or relating to frequency synthesisers
GB1211971A (en) Frequency synthesizer apparatus
SU555534A1 (ru) Синтезатор чатоты
GB979861A (en) Improvements in or relating to frequency synthesisers

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees