The KA2192 is audio/video 4 input switching IC in the video system for S-VHS(Super-Video Home System).
This device can select audio/video signal of each different 4 kinds input.
This device separates Y(luminance) and C(chroma) for S-VHS.
FEATURE
⢠Indepandent and stable bias block to prohibit cross talk of and source.
⢠Available the mode output.
⢠TV polarity switch can select negative and positive video signal to switch conditions.
⢠Clamp block for stabile video signal.
⢠Switch for to control signal gain (6dB or 8dB).
⢠Separation and Processing of Y(luminance) and C(chroma) for S-VHS video.
FUNCTION
⢠Two input decoder
⢠Mode selector
⢠4 * 1 switch
⢠Mute switch
⢠Bias stage
⢠Gain switch (6dB or 8dB)
⢠Clamp circuit
⢠TV polarity switch
⢠2 * 1 switch
⢠Pulse generator
⢠Switching part for selecting channel
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