Low speed, load independent, slew rate controlled output...

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver

Reexamination Certificate

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Reexamination Certificate

active

07924066

ABSTRACT:
An output buffer utilizes capacitive feedback to control the output slew rate largely independent of load capacitance. The invention slows the rising and falling slew rates and via a capacitance feedback reduces the effect of load capacitance on slew rate, and uses no DC current. Transistor switches are employed to isolate and reduce noise and interaction among the circuit components and functions.

REFERENCES:
patent: 5748019 (1998-05-01), Wong et al.
patent: 6606271 (2003-08-01), Hunt
patent: 2007/0024328 (2007-02-01), Shin
patent: 2009/0212828 (2009-08-01), Koji

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