Low pass filter

Details Low pass filter Low pass filter

1996-10-02

1998-11-10

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

327558, 327 34, 327 37, 327165, 327166, 327 79, 327 90, H03K 500, H03K 110

Patent

active

058349685

ABSTRACT:
A low pass filter comprises a complementary signal generator circuit for receiving an input pulse signal to output a first and a second signals having phases inverse to each other, a first CR circuit inputted with the first signal, a second CR circuit inputted with the second signal, a flip-flop circuit, a set circuit, and a reset circuit. In the low pass filter, the set circuit detects an output signal of the first CR circuit by the threshold voltage value thereof to set the flip-flop circuit in accordance with a detection result, and the reset circuit detects an output signal of the second CR circuit by the same threshold voltage value to reset the flip-flop circuit in accordance with a detection result.

REFERENCES:
patent: 4137504 (1979-01-01), Simmons

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