GB2127636B - Voltage controlled oscillator circuit - Google Patents

Voltage controlled oscillator circuit

Info

Publication number
GB2127636B
GB2127636B GB08319600A GB8319600A GB2127636B GB 2127636 B GB2127636 B GB 2127636B GB 08319600 A GB08319600 A GB 08319600A GB 8319600 A GB8319600 A GB 8319600A GB 2127636 B GB2127636 B GB 2127636B
Authority
GB
United Kingdom
Prior art keywords
controlled oscillator
voltage controlled
oscillator circuit
circuit
voltage
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
GB08319600A
Other versions
GB8319600D0 (en
GB2127636A (en
Inventor
Masayuki Ikeda
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.)
Epson Corp
Original Assignee
Epson 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
Application filed by Epson Corp filed Critical Epson Corp
Publication of GB8319600D0 publication Critical patent/GB8319600D0/en
Publication of GB2127636A publication Critical patent/GB2127636A/en
Application granted granted Critical
Publication of GB2127636B publication Critical patent/GB2127636B/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
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • 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
    • H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
    • 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
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB08319600A 1982-08-05 1983-07-20 Voltage controlled oscillator circuit Expired GB2127636B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57136684A JPS5927615A (en) 1982-08-05 1982-08-05 Voltage controlled oscillating circuit

Publications (3)

Publication Number Publication Date
GB8319600D0 GB8319600D0 (en) 1983-08-24
GB2127636A GB2127636A (en) 1984-04-11
GB2127636B true GB2127636B (en) 1986-04-23

Family

ID=15181052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08319600A Expired GB2127636B (en) 1982-08-05 1983-07-20 Voltage controlled oscillator circuit

Country Status (3)

Country Link
JP (1) JPS5927615A (en)
GB (1) GB2127636B (en)
HK (1) HK36988A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144929A (en) * 1984-12-19 1986-07-02 Nec Corp Phase synchronous oscillating circuit
JPH0752838B2 (en) * 1985-03-20 1995-06-05 株式会社日立製作所 Integrated circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52143438A (en) * 1976-05-24 1977-11-30 Hitachi Ltd Pulse transformer for thyristor driving
US4131861A (en) * 1977-12-30 1978-12-26 International Business Machines Corporation Variable frequency oscillator system including two matched oscillators controlled by a phase locked loop
JPS5924191Y2 (en) * 1979-07-13 1984-07-18 三洋電機株式会社 Synthesizer-receiver AFC circuit
JPS57181232A (en) * 1981-04-30 1982-11-08 Fujitsu Ltd Voltage-controlled oscillator circuit

Also Published As

Publication number Publication date
GB8319600D0 (en) 1983-08-24
HK36988A (en) 1988-05-27
GB2127636A (en) 1984-04-11
JPH0566047B2 (en) 1993-09-21
JPS5927615A (en) 1984-02-14

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20030719