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Optoelectronics/Displays??

Integrate video signal capacity with high-speed amplifiers

Posted: 01 Dec 2008 ?? ?Print Version ?Bookmark and Share

Keywords:composite video signal? high-speed amplifier? oscillator?

The composite video signal of the 1950s still has a large presence in today's high-definition (HD) analog and digital video. Most parameters associated with composite video remain major considerations in system design. Two key parameters that are unique to composite video performance are differential gain (DG) and differential phase (DP), which are such critical factors in the composite video signal path as it has become standard practice to integrate them in almost all high-speed amplifier datasheets.

However, measurement and verification of these parameters may not be simple. This article gives an overview of composite NSTC/ PAL video and the importance of DP and DG. It also deals with the interpretation of these specifications in datasheets and, most importantly, in the various measurement methodologies for DG and DP.

View the PDF document for more information.





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