Apparatus for deriving clock pulses from return-to-zero data pulses
申请公布号:US4321483(A)
申请号:US19790084336
申请日期:1979.10.12
申请公布日期:1982.03.23
发明人:DUGAN, JOHN M.
分类号:H03L7/089;H04L7/033;(IPC1-7):H03L7/06
主分类号:H03L7/089
摘要:A phase-locked loop apparatus for deriving clock pulses from return-to-zero data pulses is disclosed. It includes a phase detector for computing the difference, in time, between that portion of a detected data pulse which occurs before a clock pulse edge and the portion after the clock pulse edge. The difference, once computed, is held for a long period thereafter and is used to drive a voltage controlled oscillator. The voltage controlled oscillator generates the clock pulses which are applied to the phase detector and which comprise the output of the apparatus.
SETT OCH ANORDNING FOR BEFUKTNING OCH JONISERING AV LUFT
INTERRUTTORE A VUOTO COMPRENDENTE UN DISPOSITIVO ASSORBITORE
PROCEDIMENTO ED APPARECCHIATURA PER CONGIUNGERE FILI FILATI
TUERFLUEGELSTELLEINRICHTUNG MIT RASTUNG
HERD MIT WENIGSTENS EINEM GASKOCHFELD
VERDREHUNGSSCHUTZ FUER SCHRAUBELEMENTE
DISCO DI RUOTA PER VEICOLI STRADALI
COMPLESSO VETRATO MULTIPLO INCAPSULATO E PROCEDIMENTO DI FABBRICAZIONE
ECKVERBINDUNG ZWEIER AUF GEHRUNG GESCHNITTENER PROFILE
MACCHINA ENDOTERMICA A PISTONE CON ALMENO DUE TURBOCOMPRESSORI A GAS DI SCARICO
SUCCHIOTTO A PORTATA VARIABILE
PERFEZIONAMENTI AI SISTEMI DI COMUNICAZIONE A SPETTRO DIFFUSO