参数资料
型号: TSH84IPT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO14
封装: ROHS COMPLIANT, PLASTIC, TSSOP-14
文件页数: 9/27页
文件大小: 1229K
代理商: TSH84IPT
TSH80, TSH81, TSH82, TSH84
Test conditions
Doc ID 9413 Rev 5
17/27
3.2
Video capabilities
To characterize the differential phase and differential gain a CCIR330 video line is used.
The video line contains five (flat) levels of luminance onto which the chrominance signal is
superimposed. The luminance gives various amplitudes which define the saturation of the
signal. The chrominance gives various phases which define the color of the signal.
Differential phase (or differential gain) distortion is present if a signal chrominance phase
(gain) is affected by the luminance level. The differential phase and gain represent the ability
to uniformly process the high frequency information at all luminance levels.
When a differential gain is present, color saturation is not correctly reproduced.
The input generator is the Rhode & Schwarz CCVS. The output measurement is done by
the Rhode and Schwarz VSA.
Figure 32.
Measurement on Rhode and Schwarz VSA
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