Low noise filter

Details Low noise filter Low noise filter

2005-05-10

2005-05-10

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S156000, C331S017000

Reexamination Certificate

active

06891412

ABSTRACT:
An RC equivalent filter is provided in which the resistor is replaced by a voltage source (40) and a capacative divider. With suitable control the voltage occurring across a capacitor (44) in the divider can reproduce that which would occur across at the output of the original RC filter, but with much lower noise.

REFERENCES:
patent: 5770962 (1998-06-01), Aebischer
patent: 6169457 (2001-01-01), Ichimaru
patent: 6434206 (2002-08-01), Yu
patent: 6549599 (2003-04-01), Momtaz
patent: 6600351 (2003-07-01), Bisanti et al.
patent: WO 9012452 (1990-10-01), None
International Search Report.

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