Quad burst servo demodulator with adjustable slew rate for hard

Details Quad burst servo demodulator with adjustable slew rate for hard Quad burst servo demodulator with adjustable slew rate for hard

1997-08-27

1999-05-04

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 67, 360 7708, 327 59, G11B 509

Patent

active

059010029

ABSTRACT:
A quad burst servo demodulator with adjustable slew rate for hard disk drives. The quad burst servo demodulator includes a peak voltage detecting system for detecting the peak voltages of an input signal, a plurality of storage capacitors for holding voltages proportional to the peak voltages observed by the peak voltage detecting system, and a programmable current source for charging (via an adjustable slew rate) the storage capacitors to voltages proportional to the detected peak voltages of the input signal.

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patent: 5781360 (1998-07-01), Wilson et al.

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