GB1304852A - - Google Patents

Info

Publication number
GB1304852A
GB1304852A GB1304852DA GB1304852A GB 1304852 A GB1304852 A GB 1304852A GB 1304852D A GB1304852D A GB 1304852DA GB 1304852 A GB1304852 A GB 1304852A
Authority
GB
United Kingdom
Prior art keywords
frequency
april
mixer
variable
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
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 GB1304852A publication Critical patent/GB1304852A/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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
GB1304852D 1969-04-18 1969-04-18 Expired GB1304852A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1996469 1969-04-18

Publications (1)

Publication Number Publication Date
GB1304852A true GB1304852A (de) 1973-01-31

Family

ID=10138055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1304852D Expired GB1304852A (de) 1969-04-18 1969-04-18

Country Status (3)

Country Link
DE (1) DE2018128C3 (de)
FR (1) FR2045766B1 (de)
GB (1) GB1304852A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320629A (en) * 1996-12-23 1998-06-24 Nokia Mobile Phones Ltd A radio transmitter and phase locked loop therefor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736133C2 (de) * 1977-08-11 1990-03-08 Rohde & Schwarz GmbH & Co KG, 8000 München Normalfrequenzgenerator
FR2426358A1 (fr) * 1978-05-17 1979-12-14 Trt Telecom Radio Electr Synthetiseur de frequence a division directe a pas apres virgule
FR2483083A1 (fr) * 1980-05-23 1981-11-27 Adret Electronique Analyseur de spectre hyperfrequence a oscillateur local synthetise

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320629A (en) * 1996-12-23 1998-06-24 Nokia Mobile Phones Ltd A radio transmitter and phase locked loop therefor
GB2320629B (en) * 1996-12-23 2001-04-25 Nokia Mobile Phones Ltd A radio transmitter and phase locked loop therefor

Also Published As

Publication number Publication date
DE2018128B2 (de) 1978-07-20
FR2045766A1 (de) 1971-03-05
DE2018128A1 (de) 1970-10-22
DE2018128C3 (de) 1979-03-22
FR2045766B1 (de) 1974-08-09

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Legal Events

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