Sensing circuit

Details Sensing circuit Sensing circuit

2006-02-13

2008-07-29

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S290000

Reexamination Certificate

active

07405623

ABSTRACT:
A sensing circuit capable of detecting very low current pulses of the order of 10's and 100's of micro amps. The sensing circuit comprises a common gate amplification stage capable of amplifying a sensed current, a comparison stage having as an input the amplified sensed current and a feedback stage capable of returning an output of the comparison stage to the common gate amplification stage.

REFERENCES:
patent: 4173723 (1979-11-01), Temes et al.
patent: 6288575 (2001-09-01), Forbes
patent: 6674679 (2004-01-01), Perner et al.
patent: 7113043 (2006-09-01), Jin et al.
patent: 2003/0128055 (2003-07-01), Lin et al.

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