Overshoot control and damping circuit for high speed drivers

Details Overshoot control and damping circuit for high speed drivers Overshoot control and damping circuit for high speed drivers

1998-06-22

2000-11-14

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327379, 327309, 327310, 360 46, H03K 508, H03B 100

Patent

active

061475238

ABSTRACT:
An overshoot and damping control circuit for high speed L-R-C drivers. By properly configuring four transistors in conjunction with a high speed driver, negative feedback can be utilized to generate a spike of current to correct for overshoot which results when driving an inductive load with high speed signals. This same configuration also provides the additional benefit of providing a signal which dampens the ringing which results from driving an inductive load with a high speed signal.

REFERENCES:
patent: 5282094 (1994-01-01), Ngo
patent: 5465406 (1995-11-01), Whitecar et al.
patent: 5469095 (1995-11-01), Peppiette et al.
patent: 5523631 (1996-06-01), Fishman et al.
patent: 5880626 (1999-03-01), Dean
A Low-Power 3V-5.5V Read/Write Preamplifier for Rigid-Disk Drives, Tuan Ngo, Craig Brannon, John Schier, 1994 IEEE International Solid-State Circuits Conference, pp. 286-287.

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