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FR2341226A1 - LOCKED LOOP CIRCUIT IN PHASE - Google Patents

LOCKED LOOP CIRCUIT IN PHASE

Info

Publication number
FR2341226A1
FR2341226A1 FR7704422A FR7704422A FR2341226A1 FR 2341226 A1 FR2341226 A1 FR 2341226A1 FR 7704422 A FR7704422 A FR 7704422A FR 7704422 A FR7704422 A FR 7704422A FR 2341226 A1 FR2341226 A1 FR 2341226A1
Authority
FR
France
Prior art keywords
phase
locked loop
loop circuit
circuit
locked
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.)
Granted
Application number
FR7704422A
Other languages
French (fr)
Other versions
FR2341226B1 (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/en
Priority claimed from JP51019725A external-priority patent/JPS5912050B2/en
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2341226A1 publication Critical patent/FR2341226A1/en
Application granted granted Critical
Publication of FR2341226B1 publication Critical patent/FR2341226B1/fr
Granted 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
FR7704422A 1976-02-16 1977-02-16 LOCKED LOOP CIRCUIT IN PHASE Granted FR2341226A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP51015702A JPS5914931B2 (en) 1976-02-16 1976-02-16 automatic phase control circuit
JP51019725A JPS5912050B2 (en) 1976-02-25 1976-02-25 automatic phase control circuit

Publications (2)

Publication Number Publication Date
FR2341226A1 true FR2341226A1 (en) 1977-09-09
FR2341226B1 FR2341226B1 (en) 1981-05-22

Family

ID=26351887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7704422A Granted FR2341226A1 (en) 1976-02-16 1977-02-16 LOCKED LOOP CIRCUIT IN PHASE

Country Status (6)

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487311A (en) * 1966-11-16 1969-12-30 Us Army Transceiver with tunable phase locked oscillator and tuning voltage generator
DE2146534A1 (en) * 1971-09-17 1973-03-01
US3775695A (en) * 1968-12-27 1973-11-27 Westinghouse Electric Corp Phase lock loop for a voltage controlled oscillator
DE2351147A1 (en) * 1973-10-11 1975-04-17 Standard Elektrik Lorenz Ag Radio receiver with phase control loop - has phase comparator delivering series of pulses to loop
FR2277460A1 (en) * 1974-07-05 1976-01-30 Sony Corp VARIABLE FREQUENCY OSCILLATOR

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1789272U (en) * 1958-01-25 1959-05-27 Telefunken Gmbh CIRCUIT ARRANGEMENT FOR THE AUTOMATIC SYNCHRONIZATION OF AN OSCILLATOR.
JPS513160A (en) * 1974-06-25 1976-01-12 Matsushita Electric Ind Co Ltd

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2146534A1 (en) * 1971-09-17 1973-03-01
DE2351147A1 (en) * 1973-10-11 1975-04-17 Standard Elektrik Lorenz Ag Radio receiver with phase control loop - has phase comparator delivering series of pulses to loop
FR2277460A1 (en) * 1974-07-05 1976-01-30 Sony Corp VARIABLE FREQUENCY OSCILLATOR

Also Published As

Publication number Publication date
NL189839B (en) 1993-03-01
FR2341226B1 (en) 1981-05-22
CA1094177A (en) 1981-01-20
DE2706609A1 (en) 1977-08-18
AU2219477A (en) 1978-08-17
AU515112B2 (en) 1981-03-19
NL7701649A (en) 1977-08-18
DE2706609C2 (en) 1983-09-15
GB1560811A (en) 1980-02-13
NL189839C (en) 1993-08-02
CA1095999A (en) 1981-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse