AIT1108 Description

The AIT1108 is a single-chip VGA-to-Video scan converter for integration into computer-based applications which are designed to be synchronous to the TV at 2X the frame rate and line rate of the TV. The Block Diagram shows all the functions in the fully-integrated digital scan converter, providing complete system features for stand-alone use without an external microcontroller. The advanced Flic-Free™ digital filter technology produces outstanding video quality for a clear and stable display.

AIT1108 Features 

• 3-channel 8-bit input digitizer  
• Multiple input formats  
  • 640 x 480 @ 60 Hz 
  • 640 x 480 @ 50 Hz 
  • 800 x 600 @ 50 Hz 
• Advanced Flic-Free  digital filter technology  
• Multiple output formats
  • NTSC 
  • NTSC-EIAJ 
  • PAL B/G/H/I 
• 3 channel 9-bit output D/A converters
• Simultaneous Composite and S-Video outputs  
• 80 pin MQFP package

AIT1108 Applications 

• Multimedia PC  
• Notebook or Palmtop PC  
• TV set-top box  
• Internet Appliance

AIT1108 Block Diagram 

Advanced Flic-Free™ Digital Filter Technology

    The Flic-Free™anti-flicker filter is a fully-digital adaptive flicker filter derived from AITech's experience in providing high quality scan converter modules as system peripheral products. It provides the user with 3 different filter levels. It also provides a built-in color bar test pattern which may be useful in component or system testing or in video system set-up.