Circuit configuration for identifying a fault state

Details Circuit configuration for identifying a fault state Circuit configuration for identifying a fault state

2006-05-30

2006-05-30

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S091100

Reexamination Certificate

active

07054123

ABSTRACT:
To identify a fault state, for example, a break in a supply line, while maintaining operational reliability, a circuit configuration for identifying a fault state includes a first transistor of a normally on type having a voltage that pinches off its channel at a control input in a normal operating state and the channel of the transistor having low impedance in a fault state. As a result, preferably, the output of a linear amplifier stage can be connected to the intact potential in the event of a break in the supply line.

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