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.

FEATURES
• RF amplifier & RF equalizer
• Focus error amplifier & servo control
• Tracking error amplifier & servo control
• Mirror & defect detector circuit
• Focus OK detector circuit
• APC(Auto Laser Power Control) circuit for constant laser 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
  
APPLICATIONS
• CD Player
• Video-CD