System and method for monitoring negative bias in integrated...

Details System and method for monitoring negative bias in integrated... System and method for monitoring negative bias in integrated...

2007-02-27

2010-10-05

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

07808753

ABSTRACT:
A bias voltage monitoring circuit is disclosed which comprises a first device coupled between a positive high voltage power supply (VDD) and a first node, a second device coupled between the first node and a second node where the bias voltage is applied, and a pad coupled to the first node, wherein the first and second devices form a voltage divider and a voltage measured at the pad reflects the bias voltage, and the first device and the second device is so chosen that a voltage at the first node is always positive for a given range of the bias voltage.

REFERENCES:
patent: 6556398 (2003-04-01), Chen

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