Delta phi generator with start-up circuit

Details Delta phi generator with start-up circuit Delta phi generator with start-up circuit

2010-02-26

2011-11-01

Hiltunen, Thomas J (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

External effect

Temperature

C327S539000, C327S512000

Reexamination Certificate

active

08049549

ABSTRACT:
A circuit comprises a delta phi generator, a startup circuit, and a level detector. The delta phi generator has a desirable operating state for developing a delta phi voltage at an output node in response to an input voltage, and an undesirable operating state. The startup circuit is coupled to the delta phi generator. The startup circuit ensures that the delta phi generator does not operate in the undesirable operating state. The level detector comprises a comparator with an offset. The comparator has a first input coupled to the output node, a second input coupled to a reference voltage, and an output coupled to the startup circuit. The level detector detects the delta phi voltage, and in response, disables the startup circuit.

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