Constant slew rate amplifier

Details Constant slew rate amplifier Constant slew rate amplifier

1997-09-15

2000-03-21

Santamauro, Jon

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

326 86, 326 33, 326 81, 327111, H03K 1716

Patent

active

060407077

ABSTRACT:
A constant slew rate amplifier has a precision internal slew rate control reference, that generates respective positive-going and negative-going voltages, associated with corresponding excursions in the input signal. These slew rate-defining voltages are decoupled from the line, making it possible to drive the line with an amplified output signal that faithfully follows the input signal and conforms with prescribed slew rate and rise/fall time specifications, irrespective of the capacitance of the line. In addition, the constant slew rate amplifier of the present invention is configured to minimize power dissipation during non-transitional signal conditions, while providing substantial current to rapidly drive the line from one state to another in accordance with the input signal.

REFERENCES:
patent: 4567378 (1986-01-01), Raver
patent: 4972101 (1990-11-01), Partovi et al.
patent: 5283631 (1994-02-01), Koerner et al.
patent: 5382838 (1995-01-01), Sasaki et al.
patent: 5489862 (1996-02-01), Risinger et al.
patent: 5598119 (1997-01-01), Thayer et al.
patent: 5623216 (1997-04-01), Penza et al.
patent: 5633600 (1997-05-01), Ohnishi
patent: 5854797 (1998-12-01), Schwartz et al.

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