Title :
CMOS circuits for thermal asperity detection and recovery in disk-drive read channels
Author :
Lee, Aaron ; Hurst, Paul ; Fukahori, Kiyoshi
Author_Institution :
Dept. of Electr. & Comput. Eng., California Univ., Davis, CA, USA
Abstract :
A thermal asperity detection and recovery scheme for a disk-drive read channel is presented. The circuit design and simulation results for two key blocks, the AC coupler and its tuning loop, in a 0.5 μm CMOS process are described.
Keywords :
CMOS analogue integrated circuits; circuit tuning; detector circuits; disc drives; 0.5 micron; AC coupler; CMOS circuits; disk-drive read channels; simulation results; thermal asperity detection; thermal asperity recovery; tuning loop; Bandwidth; CMOS process; Circuit optimization; Circuit simulation; Circuit synthesis; Coupling circuits; Low pass filters; Magnetic heads; Modems; Voltage;
Conference_Titel :
Circuits and Systems, 2002. MWSCAS-2002. The 2002 45th Midwest Symposium on
Print_ISBN :
0-7803-7523-8
DOI :
10.1109/MWSCAS.2002.1187048
