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LM1209

National
Part Number LM1209
Manufacturer National
Description (LM1208) 130 MHz/100 MHz RGB Video Amplifier System with Blanking
Published Aug 19, 2005
Detailed Description LM1208 LM1209 130 MHz 100 MHz RGB Video Amplifier System with Blanking January 1996 LM1208 LM1209 130 MHz 100 MHz RGB ...
Datasheet PDF File LM1209 PDF File

LM1209
LM1209

Overview
LM1208 LM1209 130 MHz 100 MHz RGB Video Amplifier System with Blanking January 1996 LM1208 LM1209 130 MHz 100 MHz RGB Video Amplifier System with Blanking General Description The LM1208 LM1209 is a very high frequency video amplifier system intended for use in high resolution RGB monitor applications In addition to the three matched video amplifiers the LM1208 LM1209 contains three gated single ended input black level clamp comparators for brightness control three matched DC controlled attenuators for contrast control and three DC controlled drive attenuators providing independent full range gain control in each channel for wide range white balance All DC control inputs offer high input impedance and an operation range from 0V to 4V for easy interface to bus controlled alignment systems The LM1208 LM1209 also contains a blanking circuit which clamps the video output voltage during blanking to within 0 1V above ground This feature provides blanking capability at the cathodes of the CRT A spot killer is provided for CRT phosphor protection during power-down Y Y Y Y Y Y Y Y Matched ( g 0 1 dB or 1 2%) attenuators for contrast control Three externally gated single ended input comparators for cutoff and brightness control 0V to 4V high input impedance DC contrast control (l40 dB range) 0V to 4V high input impedance DC full range gain control (Drive) for each video channel (l40 dB range) Spot killer blanks outputs when VCC k 10 6V Capable of 7 VPP output swing (slight reduction in bandwidth) Output stage blanking Output stage directly drives most hybrid or discrete CRT drivers Applications Y Y Y Features Y Three wideband video amplifiers 130 MHz (4 VPP output) b 3 dB Y High resolution RGB CRT monitors Video AGC amplifiers Wideband amplifiers with gain and DC offset controls Interface amplifiers for LCD or CCD systems Block and Connection Diagram TL H 11884 – 1 FIGURE 1 Order Number LM1208N or LM1209N See NS Package Number N28B C1996 National Semiconductor ...


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