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AC Bias Write Driver

IP.com Disclosure Number: IPCOM000067942D
Original Publication Date: 1979-Oct-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Turner, DP [+details]

Abstract

Magnetic recording with AC bias may be accomplished by employing a head current that is the sum of a high frequency, high current bias signal and the lower frequency, lower current data signal. The summed signal is passed as a differential current through a non-center-tapped recording head.