BR7702704A - Comparador digital - Google Patents
Comparador digitalInfo
- Publication number
- BR7702704A BR7702704A BR7702704A BR7702704A BR7702704A BR 7702704 A BR7702704 A BR 7702704A BR 7702704 A BR7702704 A BR 7702704A BR 7702704 A BR7702704 A BR 7702704A BR 7702704 A BR7702704 A BR 7702704A
- Authority
- BR
- Brazil
- Prior art keywords
- digital comparator
- comparator
- digital
- Prior art date
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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/700,931 US4031478A (en) | 1976-06-29 | 1976-06-29 | Digital phase/frequency comparator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7702704A true BR7702704A (pt) | 1978-02-21 |
Family
ID=24815415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7702704A BR7702704A (pt) | 1976-06-29 | 1977-04-28 | Comparador digital |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4031478A (pt) |
| BR (1) | BR7702704A (pt) |
| CH (1) | CH621896A5 (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178631A (en) * | 1978-02-13 | 1979-12-11 | Tractor, Inc. | Digital phase detector and method |
| US4255809A (en) * | 1979-11-02 | 1981-03-10 | Hillman Dale A | Dual redundant error detection system for counters |
| US4697125A (en) * | 1986-03-24 | 1987-09-29 | Performance Controls, Inc. | Method and apparatus for determining shaft position and for providing commutation signals |
| FR2683411B1 (fr) * | 1991-11-06 | 1994-12-09 | Inst Francais Du Petrole | Methode et dispositif pour restituer un signal d'horloge rythmant la transmission de signaux recus. |
| FR2793091B1 (fr) | 1999-04-30 | 2001-06-08 | France Telecom | Dispositif d'asservissement de frequence |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922610A (en) * | 1974-01-28 | 1975-11-25 | Basf Ag | Pulse anti coincidence methods and circuits |
| US3989931A (en) * | 1975-05-19 | 1976-11-02 | Rockwell International Corporation | Pulse count generator for wide range digital phase detector |
-
1976
- 1976-06-29 US US05/700,931 patent/US4031478A/en not_active Expired - Lifetime
-
1977
- 1977-04-28 BR BR7702704A patent/BR7702704A/pt unknown
- 1977-06-27 CH CH783977A patent/CH621896A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4031478A (en) | 1977-06-21 |
| CH621896A5 (pt) | 1981-02-27 |
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