A MEDIAN PEAK DETECTING ANALOG SIGNAL PROCESSOR FOR HARD-DISK DRIVE SERVO

Authors
NAGARAJ K LEWIS SH WALDEN RW OFFORD GE SHARIATDOUST RS SABNIS JA PERUZZI RO BARNER JR PLANY J MENTO RP RAKSHANI VA HULL RW
Citation
K. Nagaraj et al., A MEDIAN PEAK DETECTING ANALOG SIGNAL PROCESSOR FOR HARD-DISK DRIVE SERVO, IEEE journal of solid-state circuits, 30(4), 1995, pp. 461-470
Citations number
13
Categorie Soggetti
Engineering, Eletrical & Electronic
Journal title
IEEE journal of solid-state circuits → ACNP
ISSN journal
00189200
Volume
30
Issue
4
Year of publication
1995
Pages
461 - 470
Database
ISI
SICI code
0018-9200(1995)30:4<461:AMPDAS>2.0.ZU;2-M
Abstract
An analog signal processor for hard disk drive servo is described, It performs servo demodulation by means of median peak detection which pr ovides immunity against additive as well as multiplicative noise from the medium, unlike conventional methods, A novel circuit configuration has been employed to implement the median peak detector in an area an d power efficient manner, The entire servo processor that includes the demodulator and 10 b A/D and D/A converters has been integrated into a single CMOS integrated circuit.