Device testing and monitoring method thereof

Some embodiments of the present disclosure provide a method including turning on a noise-measuring system for a device under test (DUT) with the DUT turned off; measuring a first phase noise caused by the noise-measuring system; turning on the DUT; measuring a second phase noise caused by the noise-...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Chien Jinn-Yeh, Horng Jaw-Juinn, Liu Szu-Lin
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Some embodiments of the present disclosure provide a method including turning on a noise-measuring system for a device under test (DUT) with the DUT turned off; measuring a first phase noise caused by the noise-measuring system; turning on the DUT; measuring a second phase noise caused by the noise-measuring system and the DUT; and subtracting the first phase noise from the second phase noise to obtain a third phase noise caused by the DUT.