GB2055268B - Digital phase comparator circuit - Google Patents

Digital phase comparator circuit

Info

Publication number
GB2055268B
GB2055268B GB8019360A GB8019360A GB2055268B GB 2055268 B GB2055268 B GB 2055268B GB 8019360 A GB8019360 A GB 8019360A GB 8019360 A GB8019360 A GB 8019360A GB 2055268 B GB2055268 B GB 2055268B
Authority
GB
United Kingdom
Prior art keywords
comparator circuit
phase comparator
digital phase
digital
circuit
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
GB8019360A
Other languages
English (en)
Other versions
GB2055268A (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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB2055268A publication Critical patent/GB2055268A/en
Application granted granted Critical
Publication of GB2055268B publication Critical patent/GB2055268B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G01R25/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller, or for passing one of the input signals as output signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
    • H03D13/004—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means the logic means delivering pulses at more than one terminal, e.g. up and down pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manipulation Of Pulses (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB8019360A 1979-06-19 1980-06-13 Digital phase comparator circuit Expired GB2055268B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7626579A JPS561619A (en) 1979-06-19 1979-06-19 Phase comparator

Publications (2)

Publication Number Publication Date
GB2055268A GB2055268A (en) 1981-02-25
GB2055268B true GB2055268B (en) 1983-07-27

Family

ID=13600388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8019360A Expired GB2055268B (en) 1979-06-19 1980-06-13 Digital phase comparator circuit

Country Status (5)

Country Link
US (1) US4354124A (cg-RX-API-DMAC7.html)
JP (1) JPS561619A (cg-RX-API-DMAC7.html)
CA (1) CA1137568A (cg-RX-API-DMAC7.html)
DE (1) DE3022746A1 (cg-RX-API-DMAC7.html)
GB (1) GB2055268B (cg-RX-API-DMAC7.html)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475168A (en) * 1981-10-01 1984-10-02 Southern Gas Association Performance indicator for compressor analogs
US4502014A (en) * 1982-11-24 1985-02-26 Rca Corporation Coincident pulse cancelling circuit
US4527080A (en) * 1983-07-18 1985-07-02 At&T Bell Laboratories Digital phase and frequency comparator circuit
JP2718664B2 (ja) * 1986-05-23 1998-02-25 株式会社日立製作所 位相同期検出回路
JPS6313516A (ja) * 1986-07-04 1988-01-20 Hitachi Ltd 位相比較回路
US4818999A (en) * 1986-10-29 1989-04-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for measuring frequency and phase difference
JP2608555B2 (ja) * 1987-03-19 1997-05-07 富士通株式会社 位相比較回路
US4814726A (en) * 1987-08-17 1989-03-21 National Semiconductor Corporation Digital phase comparator/charge pump with zero deadband and minimum offset
US5036534A (en) * 1989-01-31 1991-07-30 Kenneth Gural Intelligent telephone interface for automatic answering systems, and method of using
US5124594A (en) * 1990-07-20 1992-06-23 Sony Corporation Digital phase comparator for use in a phase lock loop
EP0483436A1 (en) * 1990-10-31 1992-05-06 International Business Machines Corporation Clock frequency tester
US5180933A (en) * 1991-11-26 1993-01-19 Honeywell Inc. Programmable digital out-of-lock detector
FR2688956B1 (fr) * 1992-03-17 1997-02-21 Sgs Thomson Microelectronics Sa Comparateur de phase/frequence
US5376847A (en) * 1992-12-30 1994-12-27 Alcatel Network Systems, Inc. Phase detector and methodology
US5666079A (en) * 1994-05-06 1997-09-09 Plx Technology, Inc. Binary relative delay line
EP0711041A1 (en) * 1994-11-03 1996-05-08 STMicroelectronics S.r.l. Phase-locked circuit
FR2736223B1 (fr) * 1995-06-27 1997-09-05 Matra Communication Comparateur de phase sans zone morte
US5661419A (en) * 1996-05-23 1997-08-26 Sun Microsystems, Inc. Dynamic phase-frequency detector circuit
US5977801A (en) * 1997-07-07 1999-11-02 International Business Machines Corporation Self-resetting phase/frequency detector with reduced dead zone
KR100688591B1 (ko) 2006-04-21 2007-03-02 삼성전자주식회사 위상 분할기
US20150318860A1 (en) * 2014-04-30 2015-11-05 Qualcomm Incorporated Low noise phase locked loops

Family Cites Families (8)

* 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
DE1516965B2 (de) * 1966-04-28 1970-08-13 Stromstufenkompensator. knm: Siemens AG, 1000 Berlin u. 8000 München
US3588710A (en) * 1968-08-05 1971-06-28 Westinghouse Electric Corp Digital phase detection circuitry
US3610954A (en) * 1970-11-12 1971-10-05 Motorola Inc Phase comparator using logic gates
US3755747A (en) * 1972-09-25 1973-08-28 Gen Motors Corp Circuit for producing an output signal pulse of a width equal to the period between separated input signal pulse pairs
US4090143A (en) * 1977-01-14 1978-05-16 Zenith Radio Corporation Digital phase comparator with reset
JPS6058609B2 (ja) * 1977-05-17 1985-12-20 三洋電機株式会社 デイジタル型位相比較器
JPS5570131A (en) * 1978-11-22 1980-05-27 Toshiba Corp Phase comparator circuit

Also Published As

Publication number Publication date
CA1137568A (en) 1982-12-14
GB2055268A (en) 1981-02-25
JPS561619A (en) 1981-01-09
JPH0245376B2 (cg-RX-API-DMAC7.html) 1990-10-09
US4354124A (en) 1982-10-12
DE3022746A1 (de) 1981-01-08

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20000612