INSTRUMENT FOR MEASURING THE PHASE JITTER OF ANALOG SIGNALS

An instrument measures directly the phase jitter of analog signals transmitted on a line by a device under test, even when clock information is not available and when operating circumstances do not permit the use of analog instruments. It uses a circuit which generates a square-wave clock signal wit...

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Bibliographische Detailangaben
Hauptverfasser:	BRUNO, CARLO M, CUCCHIETTI, FLAVIO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An instrument measures directly the phase jitter of analog signals transmitted on a line by a device under test, even when clock information is not available and when operating circumstances do not permit the use of analog instruments. It uses a circuit which generates a square-wave clock signal with the same phase and frequency characteristics as the signal to be measured, so that a phase comparison with a reference signal can be made. The error signal so obtained is filtered, measured and displayed.