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A resonant switching write driver for magnetic recording

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3 Author(s)
R. J. Reay ; IBM Almaden Res. Center, San Jose, CA, USA ; K. B. Klaassen ; C. S. Nomura

This paper describes a high-speed circuit for driving magnetic recording write heads. Resonant current switching enables a reduction in power consumption without compromising switching speed. With a 100 nH load and 120 mApp write currents, a rise time of 1.6 ns was achieved with a 7 V power supply

Published in:

IEEE Journal of Solid-State Circuits  (Volume:32 ,  Issue: 2 )