KA2139
3 CHANNEL R.G.B VIDEO AMPLIFIER
VIDEO AMPLIFIER FOR MONITOR
28-DIP-600A
The KA2l39 is a monolithic integrated circuit for processing
the R,G,B video in high resolution CRT display.
It contains 3 channel video amplifier, black level clamp
comparator for brightness control and DC control attenuator
for contrast control, this device is suitable for monitor.
FUNCTIONS
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R. G. B amplifier
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Contrast control
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Clamp & brIghtness circuit
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Vref. circuit
FEATURES
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3 Channel R.G.B video amplifier (f.
-3DB
=7OMHz:Typ)
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Superior linearity contrast control
ORDERING INFORMATION
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Black level clamp comparator for
Device Package Operating Temperature
brightness control
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Built-in clamp gate circuit to operate the
KA2139 28 DIP
-20掳C ~ +70掳C
clamp comparator at black level
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Vref 2.4V bandgap circuit
BLOCK DIAGRAM
28
27
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15
A2
A2
A2
A1
+ -
RED
gm
GREEN
A1
+ -
gm
BLUE
A1
+ -
gm
CONTRAST
CONTROL
Vref
2.4V
1.4
V
1
2
3
4
5
6
7
8
9
10
11
12
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KA2139相关型号PDF文件下载
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英文版
LINEAR INTEGRATED CIRCUIT(TV SOUND IF AMPLIFIER)
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Vertical Processor/Deflector
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1-CHIP DEFLECTION SYSTEM
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1-CHIP DEFLECTION SYSTEM
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HORIZONTAL SIGNAL PROCESSING
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HORIZONTAL SIGNAL PROCESSING
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DEFLECTION PROCESSOR FOR CRY DISPLAY
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DEFLECTION PROCESSOR FOR CRY DISPLAY
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3 CHANNEL R.G.B VIDEO AMPLIFIER
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3 CHANNEL R.G.B VIDEO AMPLIFIER
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英文版
R/G/B VIDEO AMPLIFIER FOR MONITORS
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英文版
R/G/B VIDEO AMPLIFIER FOR MONITORS
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Vertical Deflection Output Circuit
FAIRCHILD
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