Pulse filtering module circuit, system, and method

Details Pulse filtering module circuit, system, and method Pulse filtering module circuit, system, and method

2011-05-17

2011-05-17

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By pulse width or spacing

C327S551000

Reexamination Certificate

active

07944245

ABSTRACT:
A filtering module filters out high frequency signals, primarily noise, from an input data stream. The filtering module includes an input module, a phase detecting module, and a threshold module. The input module performs either a charging or a discharging across a capacitor on a basis of an RC time constant. The phase detecting module is coupled to the input module to keep identical phase at a first node and an output node. The threshold module is coupled to the phase detecting module for providing an output signal based on a threshold voltage and the charging or the discharging across the capacitor.

REFERENCES:
patent: 6407626 (2002-06-01), Carpenter et al.
patent: 6995605 (2006-02-01), Hazucha et al.

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