CD-ROM Drive Head Amplifier
HA12220F CD-ROM Drive Head Amplifier IC ADE-207-230 (Z) Target Specification 1st. Edition April 1997 Functions • RF amplifier (Built-in equalizer changing circuit) • Focus error amplifier (fc = 60kHz Typ) • Tracking error amplifier (Built-in cut-off frequency changing circuit fc = 30kHz, 60kHz, 100kHz, 200kHz Typ) • FOK detection circuit (Built-in Vth chang...
Hitachi Semiconductor