ATIS Telecom Glossary
Thursday, October 23, 2014

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composite test signal
In television systems, a test signal consisting of a line bar (125 ns rise time and fall time), a 2T pulse (250 ns half-amplitude duration), a 12.5T (1.5625 microseconds half-amplitude duration) chrominance pulse, and a five-riser staircase signal modulated by the color subcarrier having a peak-to-peak amplitude of 40 IRE units superimposed upon standard synchronizing and blanking signals. Reference 'A' and 'B' are the measurement points utilized in the measurement of insertion gain and insertion-gain variation. [T1.Rpt16-1992]

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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