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PDF KA2192 Data sheet ( Hoja de datos )
| Número de pieza | KA2192 | |
| Descripción | 4 IN PUT A/V SWITCH | |
| Fabricantes | Samsung | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de KA2192 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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KA2192
4 INPUT A/V SWITCH
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.
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 Package Operating Temperature
KA2192 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.
1 page  
KA2192
4 INPUT A/V SWITCH
OPERATING PRINCIPLE
ÀIn-output truth table of A/V switching IC for input switch conditions.
SW INPUT
SW1 SW2
LL
HL
HH
LH
L:0(V)
H:5(V)
DECODER OUT
A B CD
H L LL
L H LL
L L HL
L L LH
L:0.8(V)
H:2.1(V)
WOUND OUT
L-OUT R-OUT
EXT2 EXT2
EXT1 EXT1
TV TV
SUPER SUPER
SOUND MUTE S/W
=HIGH[5]
:SOUND OFF
VIDEO OUT
V-OUT
EXT2
EXT1
TV
SUPER
TV
POLARITY
SW=H
AV= -1
GAIN SW
=H: 8dB
Y & C OUT
Y OUT C OUT
--
--
--
S-Y S-C
IF SW1(L)
SW2(H)
S-Y &S-C
OUT
CODE OUT
MODE OUT
2(V)
2(V)
0(V)
4(V)
FROM
EXT1,2:
2[V]
TV:0[V]
S-VHS:
4[V]
ÁSound mute switch
MUTEIN SOUND-OUT
L-OUT R-OUT
H [5V] OFF OFF
L [0V]
ON
ON
ÂGain switch
GAIN
6dB OR 8 dB
SWITCH
H [5V]
8dB
L [0V]
6dB
ÃTV polarity switch
TV
POLARITY
SWITCH
AV
H [VCC]
L [GND]
AV= -1
AV=1
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet KA2192.PDF ] | |
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