Title :
A resonant switching write driver for magnetic recording
Author :
Reay, Richard J. ; Klaassen, Klaas B. ; Nomura, Calvin S.
Author_Institution :
IBM Almaden Res. Center, San Jose, CA, USA
fDate :
2/1/1997 12:00:00 AM
Abstract :
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
Keywords :
BiCMOS analogue integrated circuits; bridge circuits; circuit resonance; digital magnetic recording; driver circuits; magnetic heads; switching circuits; 1.6 ns; 120 mA; 7 V; disc drives; high-speed circuit; magnetic recording; magnetic write heads; power consumption reduction; resonant current switching; resonant switching write driver; Driver circuits; Magnetic circuits; Magnetic heads; Magnetic recording; Magnetic resonance; Magnetic switching; Power dissipation; Power supplies; Switches; Voltage;
Journal_Title :
Solid-State Circuits, IEEE Journal of
