Methods and apparatus to reduce substrate voltage bounces...

Details Methods and apparatus to reduce substrate voltage bounces... Methods and apparatus to reduce substrate voltage bounces...

2011-03-01

2011-03-01

Fureman, Jared J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S056000, C361S090000, C361S111000, C327S535000

Reexamination Certificate

active

07898783

ABSTRACT:
Methods and apparatus to reduce voltage bounces and spike voltages in switching amplifiers are disclosed. An example method of removing a substrate current from a substrate disclosed herein comprises injecting the substrate current via turning on an active device, forming a low impedance path to ground via a substrate clamp based on the substrate current, and removing the substrate current from the substrate via the substrate clamp.

REFERENCES:
patent: 5021860 (1991-06-01), Bertotti et al.
patent: 5596466 (1997-01-01), Ochi
patent: 7078964 (2006-07-01), Risbo et al.
patent: 7157968 (2007-01-01), Shin
patent: 7576396 (2009-08-01), Alberkrack et al.
U.S. Appl. No. 11/940,691, “Methods and Apparatus to Reduce Substrate Voltage Bounces and Spike Voltages in Switching Amplifiers” filed on Nov. 15, 2007, inventors: Kaya et al.

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