Use of a known common-mode voltage for input overvoltage protection in pseudo-differential receivers

Use of a known common-mode voltage for input overvoltage protection in pseudo-differential receivers

A method and apparatus are provided for protecting elements of a receiver from overvoltages in a pseudo-differential signal having a true signal and a reference voltage. The method and apparatus limit the true signal to a protection voltage, which is correlated to the reference voltage, to produce a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: RANDAZZO TODD A
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Beschreibung
Zusammenfassung:A method and apparatus are provided for protecting elements of a receiver from overvoltages in a pseudo-differential signal having a true signal and a reference voltage. The method and apparatus limit the true signal to a protection voltage, which is correlated to the reference voltage, to produce a protected true signal. The protected true signal and the reference voltage are applied to inputs of the receiver.