KB9223

PRELIMINARY KB9223 / KB9223-L OVERVIEW The KB9223 is a 1-chip BICMOS integrated circuit to perform the function of RF amp and servo signal processor for compact disc player applications.It consist of blocks for RF signal processing ,focus, tracking, sled and spindle servo.Also this IC has adjustment free function and embedded opamp for audio post filter. RF AMP & SERVO SIGNAL PROCESSOR 80-QFP-1420C FEATURES RF amplifier & RF equalizer Focus error amplifier & servo control Tracking error amplifier & servo control Mirror & defect detector circuit Focus OK detector circuit ORDERING INFORMATION Device KB9223 KB9223-L Package 80-QFP-1420C Tempe. Range -20°C ~ +70°C APC(Auto Laser Power Control) circuit for constant laser APPLICATIONS power FE bias & focus servo offset adjustment free EF balance & tracking error gain adjustment free Embedded audio post filter The circuit for Interruption countermeasure Double speed play available Operating voltage range KB9223 : 5V KB9223-L : 3.4V RELATED PRODUCT KS9286 Data Processor KS9284 Data Processor KA9258D/KA9259D Motor Driver CD Player Video-CD M/M-97-P006 1997. 10. 17 1 PRELIMINARY KB9223 / KB9223-L BLOCK DIAGRAM RF AMP & SERVO SIGNAL PROCESSOR MDATA TRCNT RESET WDCH ISTAT LOCK ATSC FGD MCK MLT 59 54 22 30 29 31 38 37 36 35 51 52 TZC 58 26 28 27 3 RF- 73 FRSH FE1 TE1 FE2 FLB FS3 RF Amp RFO 74 Micom Data Interface Logic Focus Phase Compensation & Offset can...