4 IN PUT A/V SWITCH
KA2192
4 IN PUT A/V SWITCH
The KA2192 is audio/video 4 input switching IC in the video system for S-VHS(Super-Video Home...
Description
KA2192
4 IN PUT A/V SWITCH
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.
4 INPUT A/V SWITCH
30-SDlP-400
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
ORDERING INFORMATION
Device KA2192 Package Operating Temperature 30-SDIP-400 -20~+65°C
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.
KA2192
BLOCK DIAGRAM
4 INPUT A/V SWITCH
L TV R TV TV-IN Ls-IN Rs-IN Sy-IN TV Polarity Sc-IN L1
1 2 3 4 5 6 7 6dB Inv 4x1 switch
6dB or 8dB
30 29 28 27
Vout Vcc Vcc GAIN S/W
CLAMP
3 abc
26 C-IN 25 24 AV=1 CLAMP Y-OUT MODE-UP L-OUT R-OUT C-OUT GND Y-OUT MUTE SW2
+
6dB
MODE SELECT
8 SWICH 9
4 4 AV=1
23 22 21 20 19 pulse gen 18 AV=1 mute s/w abcd Decoder 2 X 4 17 16
R1 10 EXT1 11 L2 R2 12 13
2x1 switch
4
EXT2 14 SW1 15
KA2192
4 INPUT A/V SWITCH
Characteristic Supply Voltage Input Terminal Signal Volta...
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