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Differential Gain and Phase—Why Measure It, if You Cannot See It?

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Abstract: Differential gain and phase (DG and DP) are common video specifications. What are they? Why are they used if they cannot be seen? This application note answers these questions, and explains how these specifications are applied to other nonvideo amplifiers, ADCs, and DACs.
Maxim > Design support > App notes > Amplifier and Comparator Circuits > APP 4294
Maxim > Design support > App notes > Automatic Test Equipment (ATE) > APP 4294
Maxim > Design support > App notes > Automotive > APP 4294

Keywords: DG, DP, differential gain phase, video error, NTSC, TV, invisible amplifier, PAL, subcarrier, ADC, DAC, sweet-spot, linear,
linearity, Sallen-Key, filter, video, quality, signal integrity
May 23, 2011
APPLICATION NOTE 4294
Differential Gain and Phase―Why Measure It, if You Cannot See It?
By: Bill Laumeister, Strategic Applications Engineer

Abstract: Differential gain and phase (DG and DP) are common video specifications. What are they? Why ……
标签:MaximDGDPdifferentialgainphasevideoerrorNTSCTVinvisibleamplifierPALsubcarrierADCDACsweet-spotlinearlinearitySallen-Keyfiltervideoqualitysignalintegrity
Differential Gain and Phase—Why Measure It, if You Cannot See It?
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