Method and apparatus for reducing induced switching transients

Details Method and apparatus for reducing induced switching transients Method and apparatus for reducing induced switching transients

1998-09-01

2000-10-03

Tokar, Michael

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Output switching noise reduction

326 83, 326 21, H03K 1716

Patent

active

061278394

ABSTRACT:
An attenuating circuit for reducing the inductively induced voltage transients in an electrical signal. The attenuating circuit is formed by a primary circuit and a smoothing circuit both coupled to a voltage source through an inductive conductor. The primary circuit operates in two states having a first and second current draw, respectively. The smoothing circuit also has a first and second state and a first and second current draw, respectively. The current draws of the primary circuit and the smoothing circuit are such that the total current draw on the voltage source through the inductive conductor maintains relatively constant regardless of the state that the primary circuit is in, thus minimizing any induced voltage transients as a result of the conductor's inductance.

REFERENCES:
patent: 5533054 (1996-07-01), DeAndrea et al.
patent: 5729152 (1998-03-01), Leung et al.
patent: 5966042 (1999-10-01), Werner et al.

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