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LM1881, Video Sync Separator, DIP-8, Texas Instruments

LM1881, Video Sync Separator, DIP-8, Texas Instruments
National Semiconductor
LM1881, Video Sync Separator, DIP-8, Texas Instruments
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LM1881, Video Sync Separator, DIP-8, Texas Instruments

The LM1881 Video sync separator extracts timing information including composite and vertical sync, burst/back porch timing, and odd/even field information from standard negative going sync NTSC, PAL and SECAM video signals with amplitude from 0.5V to 2V p-p. The integrated circuit is also capable of providing sync separation for non-standard, faster horizontal rate video signals. The vertical output is produced on the rising edge of the first serration in the vertical sync period. A default vertical output is produced after a time delay if the rising edge mentioned above does not occur within the externally set delay period, such as might be the case for a non-standard video signal.

rarecomponents.com datashet iconTechnical Datasheet [PDF - ti.com]

Video Experimentor Shield for Arduino, Designed using LM1881 at core

Features

  • AC Coupled Composite Input Signal
  • >10 kΩ Input Resistance
  • <10 mA Power Supply Drain Current
  • Composite Sync and Vertical Outputs
  • Odd/Even Field Output
  • Burst Gate/Back Porch Output
  • Horizontal Scan Rates to 150 kHz
  • Edge Triggered Vertical Output
  • Default Triggered Vertical Output for Non-standard Video Signal (Video Games-Home Computers)

     

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