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The VSC-4KU is a high quality polyphase scaler for up converting standard definition and high definition video signals to 4K resolution. 4K quadrant based format as used with Quad 3G-SDI links, as well as side-by-side format used with DisplayPort 1.2, are both supported.

Block Diagram


  • Any input <= 2048x1080p scaled to any output <= 4096x2160p
  • Supports both quadrant based format (Quad 3G-SDI) and side-by-side format (DisplayPort 1.2)
  • High quality polyphase scaling
  • Invisible seams between tiles
  • Dynamic resizing and aspect ratio conversion (ARC) without artifacts
  • Selective crop and zoom (Ultra Zoom)
  • Supports all frame rates up to 60 Hz
  • 8/10/12-bit 4:2:2 or 4:4:4 processing
  • Seamless interface to VPC-1 deinterlacer back-end (no additional pass through DRAM required) Programmability
  • Dynamically loadable coefficients for flexible image quality
  • Optional image sharpening Build Time Options
  • 4:2:2 or 4:4:4 data path
  • 8, 10 or 12-bit data path precision
  • Number of taps, number of phases, coefficient precision
  • Quadrant based or side-by-side format Compatibility
  • Support for both Xilinx and Altera devices
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