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LM1209 データシート(PDF) 1 Page - National Semiconductor (TI) |
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LM1209 データシート(HTML) 1 Page - National Semiconductor (TI) |
1 / 24 page TLH11884 January 1996 LM1208LM1209 130 MHz100 MHz RGB Video Amplifier System with Blanking General Description The LM1208LM1209 is a very high frequency video amplifi- er system intended for use in high resolution RGB monitor applications In addition to the three matched video amplifi- ers the LM1208LM1209 contains three gated single end- ed input black level clamp comparators for brightness con- trol 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 LM1208LM1209 also contains a blanking circuit which clamps the video output voltage during blanking to within 01V above ground This feature provides blanking capabili- ty at the cathodes of the CRT A spot killer is provided for CRT phosphor protection during power-down Features Y Three wideband video amplifiers 130 MHz b 3dB (4 VPP output) Y Matched (g01 dB or 12%) attenuators for contrast control Y Three externally gated single ended input comparators for cutoff and brightness control Y 0V to 4V high input impedance DC contrast control (l40 dB range) Y 0V to 4V high input impedance DC full range gain con- trol (Drive) for each video channel (l40 dB range) Y Spot killer blanks outputs when VCC k 106V Y Capable of 7 VPP output swing (slight reduction in bandwidth) Y Output stage blanking Y Output stage directly drives most hybrid or discrete CRT drivers Applications Y High resolution RGB CRT monitors Y Video AGC amplifiers Y Wideband amplifiers with gain and DC offset controls Y Interface amplifiers for LCD or CCD systems Block and Connection Diagram TLH11884 1 FIGURE 1 Order Number LM1208N or LM1209N See NS Package Number N28B C1996 National Semiconductor Corporation RRD B30M66Printed in U S A |
同様の部品番号 - LM1209 |
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同様の説明 - LM1209 |
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