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SM11: SD/HD Video Character Overlay

SM11 is an SD/HD video character overlay module. It accepts BT656 or BT1120 inputs which it can overlay with 112 pre-programmed and 16 user-programmed characters and symbols, programmable in position and colour.

Control is via an RS232 interface.

SM11 is ideal for applications in:

  • Status or information displays.
  • Channel identification.
  • Digital Signage.
  • CCTV/Security installations.
  • Industrial/Remote Imaging.


  • 54mm x 33mm module.
  • 52 (2 x 26) pin 2mm pitch connector.
  • 8/10 bit BT656 (525i or 625i) or 16/20 bit BT1120 (separate or embedded syncs - 720p or 1080i/p) input/output.
  • 2 wire RS232 control.
  • 60 x 30 character (525i): 60 x 36 character (625i): 106 x 45 character (720p): 160 x 67 character (1080i/p).
  • 12 x 16 character size.
  • Programmable position and background/character colour.
  • Stand alone operation (on board crystal sync pulse generator).
  • Shaped characters to comply with video standards (no overshoot).
  • Single 3.3VDC power requirement.
  • Temperature sensor reading.
  • 12 bit, 1Msps ADC input.
  • Development board available (SM11-DB).
  • Industrial temperature range (-40degC - +85degC).



The SM11 may be purchased online using all major credit cards or via PayPal.


(e-mail for very attractive quantity discounts).





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