GB1560811A - Phase-locked loop circuits - Google Patents

Phase-locked loop circuits Download PDF

Info

Publication number
GB1560811A
GB1560811A GB551477A GB551477A GB1560811A GB 1560811 A GB1560811 A GB 1560811A GB 551477 A GB551477 A GB 551477A GB 551477 A GB551477 A GB 551477A GB 1560811 A GB1560811 A GB 1560811A
Authority
GB
United Kingdom
Prior art keywords
circuit
voltage
signal
phase
control signal
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
GB551477A
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.)
Sony Corp
Original Assignee
Sony Corp
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 JP51015702A external-priority patent/JPS5914931B2/ja
Priority claimed from JP51019725A external-priority patent/JPS5912050B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB1560811A publication Critical patent/GB1560811A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20Indirect 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/34Muting amplifier when no signal is present
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/10Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/12Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB551477A 1976-02-16 1977-02-10 Phase-locked loop circuits Expired GB1560811A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP51015702A JPS5914931B2 (ja) 1976-02-16 1976-02-16 自動位相制御回路
JP51019725A JPS5912050B2 (ja) 1976-02-25 1976-02-25 自動位相制御回路

Publications (1)

Publication Number Publication Date
GB1560811A true GB1560811A (en) 1980-02-13

Family

ID=26351887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB551477A Expired GB1560811A (en) 1976-02-16 1977-02-10 Phase-locked loop circuits

Country Status (6)

Country Link
AU (1) AU515112B2 (enrdf_load_stackoverflow)
CA (2) CA1094177A (enrdf_load_stackoverflow)
DE (1) DE2706609C2 (enrdf_load_stackoverflow)
FR (1) FR2341226A1 (enrdf_load_stackoverflow)
GB (1) GB1560811A (enrdf_load_stackoverflow)
NL (1) NL189839C (enrdf_load_stackoverflow)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1789272U (de) * 1958-01-25 1959-05-27 Telefunken Gmbh Schaltungsanordnung zur automatischen synchronisierung eines oszillators.
US3487311A (en) * 1966-11-16 1969-12-30 Us Army Transceiver with tunable phase locked oscillator and tuning voltage generator
US3775695A (en) * 1968-12-27 1973-11-27 Westinghouse Electric Corp Phase lock loop for a voltage controlled oscillator
DE2146534C2 (de) * 1971-09-17 1973-09-27 Wandel U. Goltermann, 7410 Reutlingen Manuell einstellbarer Abstimm oszillator nut Rasteinrichtung
DE2351147C3 (de) * 1973-10-11 1981-01-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart FM-Funkempfänger
JPS513160A (enrdf_load_stackoverflow) * 1974-06-25 1976-01-12 Matsushita Electric Industrial Co Ltd
JPS5818815B2 (ja) * 1974-07-05 1983-04-14 ソニー株式会社 カヘンシユウハスウハツシンソウチ

Also Published As

Publication number Publication date
NL189839B (nl) 1993-03-01
FR2341226A1 (fr) 1977-09-09
AU2219477A (en) 1978-08-17
FR2341226B1 (enrdf_load_stackoverflow) 1981-05-22
CA1095999A (en) 1981-02-17
CA1094177A (en) 1981-01-20
AU515112B2 (en) 1981-03-19
DE2706609C2 (de) 1983-09-15
NL7701649A (nl) 1977-08-18
NL189839C (nl) 1993-08-02
DE2706609A1 (de) 1977-08-18

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Legal Events

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

Effective date: 19950210