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