CA1137568A - Digital phase comparator circuit - Google Patents
Digital phase comparator circuitInfo
- Publication number
- CA1137568A CA1137568A CA000354304A CA354304A CA1137568A CA 1137568 A CA1137568 A CA 1137568A CA 000354304 A CA000354304 A CA 000354304A CA 354304 A CA354304 A CA 354304A CA 1137568 A CA1137568 A CA 1137568A
- Authority
- CA
- Canada
- Prior art keywords
- phase comparator
- output
- gate
- signal
- terminals
- 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
Links
- 230000007704 transition Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000001052 transient effect Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 2
- 235000006696 Catha edulis Nutrition 0.000 description 1
- 240000007681 Catha edulis Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP76265/79 | 1979-06-19 | ||
JP7626579A JPS561619A (en) | 1979-06-19 | 1979-06-19 | Phase comparator |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1137568A true CA1137568A (en) | 1982-12-14 |
Family
ID=13600388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000354304A Expired CA1137568A (en) | 1979-06-19 | 1980-06-18 | Digital phase comparator circuit |
Country Status (5)
Families Citing this family (21)
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)
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 |
-
1979
- 1979-06-19 JP JP7626579A patent/JPS561619A/ja active Granted
-
1980
- 1980-06-10 US US06/158,310 patent/US4354124A/en not_active Expired - Lifetime
- 1980-06-13 GB GB8019360A patent/GB2055268B/en not_active Expired
- 1980-06-18 DE DE19803022746 patent/DE3022746A1/de not_active Ceased
- 1980-06-18 CA CA000354304A patent/CA1137568A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0245376B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-09 |
GB2055268B (en) | 1983-07-27 |
JPS561619A (en) | 1981-01-09 |
DE3022746A1 (de) | 1981-01-08 |
GB2055268A (en) | 1981-02-25 |
US4354124A (en) | 1982-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |