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LM1203A Datasheet

  • LM1203A

  • 150 MHz RGB Video Amplifier System

  • 18頁

  • NSC

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LM1203A 150 MHz RGB Video Amplifier System
January 1996
LM1203A
150 MHz RGB Video Amplifier System
General Description
The LM1203A is an improved version of the popular
LM1203 wideband video amplifier system The device is in-
tended for high resolution RGB CRT monitors In addition to
three matched video amplifiers the LM1203A contains
three gated differential input black level clamp comparators
for brightness control and three matched attenuator circuits
for contrast control Each video amplifier contains a gain set
or 鈥樷€楧rive鈥欌€?node for setting maximum system gain or provid-
ing gain trim capability for white balance The LM1203A also
contains a voltage reference for the video inputs The
LM1203A is pin and function compatible with the LM1203
Y
Y
Y
Y
Three externally gated comparators for brightness
control
Provisions for individual gain control (Drive) of each
video amplifier
Video input voltage reference
Low impedance output driver
Improvements over LM1203
Y
Y
Y
Y
150 MHz vs 70 MHz bandwidth
V
OUT
low 0 15V vs 0 9V
t
r
t
f
4 ns vs 7 ns
Built in power down spot killer
Features
Y
Y
b
3 dB
Three wideband video amplifiers 150 MHz
Matched (
g
0 1 dB or 1 2%) attenuators for contrast
control
Applications
Y
Y
Y
High resolution RGB CRT monitors
Video AGC amplifiers
Wideband amplifiers with gain and DC offset controls
Block and Connection Diagrams
TL H 11441 鈥?1
FIGURE 1
Order Number LM1203AN
See NS Package Number N28B
C
1996 National Semiconductor Corporation
TL H 11441
RRD-B30M66 Printed in U S A

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