Evaluation Board, Video Processing, Video Sync Separators, LMH1981

LMH1981MTEVAL/NOPB - Evaluation Board, Video Processing, Video Sync Separators, LMH1981

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Product Overview

The LMH1981MTEVAL/NOPB is an evaluation board for LMH1981, a high performance multi format sync separator ideal for use in a wide range of video applications, such as broadcast and professional video equipment and HDTV/DTV systems. The input accepts standard analog SD/ED/HD video signals with either bi level or tri level sync and the outputs provide all of the critical timing signals in CMOS logic, which swing from rail to rail (VCC and GND) including composite, horizontal and vertical syncs, burst/back porch timing, odd/even field and video format outputs. HSync features very low jitter on its leading (falling) edge, minimizing external circuitry needed to clean and reduce jitter in subsequent clock generation stages. The LMH1981 automatically detects the input video format, eliminating the need for programming using a microcontroller.
  • Standard analog video sync separation
  • Bi level & tri level sync compatible
  • Composite, horizontal, and vertical sync outputs
  • Burst/back porch timing, odd/even field, and video format outputs
  • Superior Jitter performance on leading edge of HSync
  • Automatic video format detection
  • 50% sync slicing for video inputs from 0.5V PP to 2V PP
  • 3.3V to 5V supply operation


Imaging, Video & Vision

Product Information

National Semiconductor
Audio, Video, TV
Video Sync Separators
Board Only
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