Current threshold circuit

Details Current threshold circuit Current threshold circuit

2007-01-16

2007-01-16

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including protection means

Reexamination Certificate

active

11009110

ABSTRACT:
A current threshold circuit includes a series impedance, a reference voltage source, and a comparison module. The series impedance couples an output of a current source to a load, wherein impedance of the series impedance is substantially less than impedance of the load. The reference voltage source is operably coupled to produce a reference voltage differential. The comparison module is operably coupled to compare the reference voltage differential with a differential voltage of the series impedance, wherein the comparison module generates an excessive current indication when the differential voltage of the series impedance compares unfavorably to the reference voltage differential.

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patent: 6867652 (2005-03-01), Hastings et al.
patent: 6980058 (2005-12-01), Noro

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