Signal amplitude limiting circuit and filter circuit

Details Signal amplitude limiting circuit and filter circuit Signal amplitude limiting circuit and filter circuit

2005-07-05

2005-07-05

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S067000, C330S258000

Reexamination Certificate

active

06914455

ABSTRACT:
A signal amplitude limiting circuit includes a differential circuit, a feed back circuit and a voltage supply circuit. The differential circuit has a positive input terminal, a negative input terminal, a positive output terminal and a negative output terminal. The feedback circuit is connected to the differential circuit. The feedback circuit compares voltages at the positive and negative output terminals with a reference voltage and outputs a comparison signal in response to the comparison. The voltage supply circuit is connected to the differential circuit and the feedback circuit. The voltage supply circuit provides a current to the differential circuit in response to the comparison signal.

REFERENCES:
patent: 5612648 (1997-03-01), McClellan et al.
patent: 5936466 (1999-08-01), Andoh et al.
patent: 6107882 (2000-08-01), Gabara et al.

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