Title :
A 500MHz write amplifier for hard disk drives with low output impedance
Author :
Le, L. ; Pieraerts, E. ; de Jong, G.
Author_Institution :
Philips Composants et Semiconducteurs, Caen Cedex, France
Abstract :
This paper describes a voltage driver write amplifier used for driving current with very short rise- and falltimes into an inductive write head. Implemented in a 1.0µm BiCMOS process, it has demonstrated rise- and fall-times as short as 0.6ns with a 100mA peak-to-peak output write current suitable to write at data-rates in excess of 500Mb/s.
Keywords :
BiCMOS integrated circuits; Breakdown voltage; Driver circuits; Energy consumption; Hard disks; Impedance; Inductance; Parasitic capacitance; Resistors; Semiconductor optical amplifiers;
Conference_Titel :
Solid-State Circuits Conference, 1999. ESSCIRC '99. Proceedings of the 25th European
Conference_Location :
Duisburg, Germany
