Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2006-10-10
2006-10-10
Berhane, Adolf (Department: 2838)
Electricity: power supply or regulation systems
Self-regulating
Using a three or more terminal semiconductive device as the...
Reexamination Certificate
active
07119526
ABSTRACT:
A voltage monitor having a bandgap reference circuit driven by a voltage to be monitored. The bandgap reference circuit produces a voltage and a second voltage that each vary with the voltage to be monitored. The magnitudes of these voltages are compared by an open loop comparator to provide a high speed output state. The output of the voltage monitor can be used to monitor a supply voltage and produce a reset signal to a processor if the supply voltage falls to a magnitude below a specified threshold.
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Thomas H. Lee, The Design of CMS Radio-Frequency Integrated Circuits, p. 738 of a text reference, undated , entitled “MOS Amplifier Design”.
Berhane Adolf
Howison Gregory M.
Silicon Labs CP Inc.
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