Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – By differentiating
Reexamination Certificate
2006-07-25
2010-06-29
Lam, Tuan (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific input to output function
By differentiating
C327S336000, C327S065000, C327S058000, C327S062000
Reexamination Certificate
active
07746150
ABSTRACT:
A fail-safe differential receiver having a differential amplifier adapted to receive first and second differential input signals and generate a differential voltage. A peak detector is coupled to the differential amplifier for generating a detect signal and a comparator is coupled to the peak detector for comparing the detect signal to a threshold voltage and providing a comparison signal. A directing circuit is coupled to the differential amplifier for receiving the first and second differential input signals and is coupled to the comparator for receiving the comparison signal. An output amplifier is coupled to the directing circuit. The directing circuit selectively directs the first and second differential input signals to the output amplifier as a function of the value of the comparison signal from the comparator.
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Biswurm Uwe
Neumann Bernd
Wong Thomas S.
Dorsey & Whitney LLP
Lam Tuan
Micrel Incorporated
Nguyen Hiep
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