CCD Delay Line Series MN3870S NTSC-Compatible CCD Comb Filter with Built-in 1 H Video Signal Delay Element Overview The MN3870S is a 4 fSC CMOS CCD comb filter with a built-in 4 fSC CMOS CCD signal delay element for video signal processing applications.
It contains such components as a fourfold-frequency circuit, a shift register clock driver, a CCD analog shift register switchable between 911, 1 and 908 / 906 stages, and a resampling output amplifier.
It samples the input using the supplied clock signal with a frequency of four times the color signal subcarrier frequency (3.
58 MHz) and subtracts between the 911- and 1-stage CCD output signals to produce the color signal comb characteristic...

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