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