GB1353720A - Arrangement for controlling the frequency and phase of an osci llator - Google Patents

Arrangement for controlling the frequency and phase of an osci llator

Info

Publication number
GB1353720A
GB1353720A GB3921172A GB3921172A GB1353720A GB 1353720 A GB1353720 A GB 1353720A GB 3921172 A GB3921172 A GB 3921172A GB 3921172 A GB3921172 A GB 3921172A GB 1353720 A GB1353720 A GB 1353720A
Authority
GB
United Kingdom
Prior art keywords
capacitor
discriminator
phase
voltage
inverter
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
GB3921172A
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.)
Wirth Gallo and Co
Original Assignee
Wirth Gallo and Co
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 Wirth Gallo and Co filed Critical Wirth Gallo and Co
Publication of GB1353720A publication Critical patent/GB1353720A/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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • 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
    • H03L7/187—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 means for coarse tuning the voltage controlled oscillator of the loop
    • 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
    • H03L7/191—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 at least two different signals from the frequency divider or the counter for determining the time difference

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB3921172A 1972-05-24 1972-08-23 Arrangement for controlling the frequency and phase of an osci llator Expired GB1353720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH768572A CH539978A (de) 1972-05-24 1972-05-24 Vorrichtung zur Regelung von Frequenz und Phase eines Oszillators

Publications (1)

Publication Number Publication Date
GB1353720A true GB1353720A (en) 1974-05-22

Family

ID=4329000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3921172A Expired GB1353720A (en) 1972-05-24 1972-08-23 Arrangement for controlling the frequency and phase of an osci llator

Country Status (10)

Country Link
US (1) US3805182A (US07608600-20091027-C00054.png)
CA (1) CA977044A (US07608600-20091027-C00054.png)
CH (1) CH539978A (US07608600-20091027-C00054.png)
DD (1) DD102251A5 (US07608600-20091027-C00054.png)
DE (1) DE2239994C3 (US07608600-20091027-C00054.png)
FR (1) FR2185892B1 (US07608600-20091027-C00054.png)
GB (1) GB1353720A (US07608600-20091027-C00054.png)
IT (1) IT967354B (US07608600-20091027-C00054.png)
NL (1) NL7210712A (US07608600-20091027-C00054.png)
SE (1) SE376702B (US07608600-20091027-C00054.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895365A (en) * 1974-06-14 1975-07-15 Lockheed Electronics Co Shaft position encoder apparatus
US4075577A (en) * 1974-12-30 1978-02-21 International Business Machines Corporation Analog-to-digital conversion apparatus
US3983506A (en) * 1975-07-11 1976-09-28 International Business Machines Corporation Acquisition process in a phase-locked-loop by gated means
US4023116A (en) * 1976-07-08 1977-05-10 Fairchild Camera And Instrument Corporation Phase-locked loop frequency synthesizer
US4092604A (en) * 1976-12-17 1978-05-30 Berney Jean Claude Apparatus for adjusting the output frequency of a frequency divider
DE3726224A1 (de) * 1987-08-07 1989-02-16 Lancier Masch Peter Verfahren zur stabilisierung der ausgangsfrequenz eines spannungsgesteuerten oszillators sowie oszillator- und sensoreinrichtung, die nach dem verfahren arbeitet

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1379675A (fr) * 1963-08-08 1964-11-27 Labo Cent Telecommunicat Perfectionnements aux oscillateurs verrouillés en phase

Also Published As

Publication number Publication date
DE2239994A1 (de) 1973-12-06
CH539978A (de) 1973-07-31
DE2239994C3 (de) 1978-09-28
DD102251A5 (US07608600-20091027-C00054.png) 1973-12-05
FR2185892B1 (US07608600-20091027-C00054.png) 1977-04-29
DE2239994B2 (de) 1974-07-25
SE376702B (US07608600-20091027-C00054.png) 1975-06-02
IT967354B (it) 1974-02-28
FR2185892A1 (US07608600-20091027-C00054.png) 1974-01-04
NL7210712A (US07608600-20091027-C00054.png) 1973-11-27
CA977044A (en) 1975-10-28
US3805182A (en) 1974-04-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee