Description
The CXA1372BQ/BS is a bipolar IC developed for RF signal processing (focus OK, mirror, defect detection, EFM comparator) and various servo control.

FEATUREs
• Dual ±5V and single 5V power supplies
• Low power consumption
• Fewer external parts
• Disc defect countermeasure circuit
• Fully compatible with the CXA1182 for microcomputer software

Functions
• Auto asymmetry control
• Focus OK detection circuit
• Mirror detection circuit
• Defect detection, countermeasure circuit
• EFM comparator
• Focus servo control
• Tracking servo control
• Sled servo control

Structure
  Bipolar silicon monolithic IC