Preamplifier noise filtering circuit

Details Preamplifier noise filtering circuit Preamplifier noise filtering circuit

1995-04-05

1996-07-09

Cunningham, Terry

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327538, 327540, G05F 110

Patent

active

055348181

ABSTRACT:
A circuit for rapidly charging a capacitor for a transition between operating states is provided. A controlled reference voltage is provided to reference the circuit. A comparator compares signals at the comparator inputs and provides an output dependent upon the comparator input signals. The output of the comparator enables or disables a controlled current charging circuit. The current charging circuit rapidly charges the capacitor when enabled.

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patent: 5140185 (1992-08-01), Lietar
patent: 5258667 (1993-11-01), Ohtake et al.
patent: 5266852 (1993-11-01), Shigenari et al.

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