Line Time Linear Distortions
Line Time Linear Distortions – Causes tilt in line-rate signal components such as white bars. The amount of distortion is expressed in as a percentage of the amplitude at the center of the line bar amplitude. Distortions involving signals in the 1 µsec to 64 µsec range. Line Time distortions can also be quantified in Kbar units. In large pictures details, this distortion produces brightness variations between the left and right sides of the screen. Horizontal streaking and smearing may also be apparent. Any test signal containing an 18 µsec, 100 IRE bar such as the FCC Composite or the NTC-7 Composite can be used for this measurement. See the discussion on Linear Distortions and Kbar units.
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