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LM1204 データシート(PDF) 1 Page - National Semiconductor (TI) |
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LM1204 データシート(HTML) 1 Page - National Semiconductor (TI) |
1 / 20 page TLH11238 December 1994 LM1204 150 MHz RGB Video Amplifier System General Description The LM1204 is a triple 150 MHz video amplifier system designed specifically for high resolution RGB video display applications In addition to three matched video amplifiers the LM1204 contains a DC operated contrast control a DC operated drive control for each amplifier and a dual clamp- ing system for both brightness control and video blanking The LM1204 also contains a back porch clamp pulse gener- ator which is activated by an externally supplied gHHV sync signal or by an external composite video signal The g HHV sync input will have priority over the composite vid- eo input A single bHHV sync output is provided for the automatically selected sync input signal The back porch clamp pulse width is user adjustable from 03 msto4 ms The LM1204 video output stage will directly drive most Hybrid or discrete CRT amplfier input stages without the need for an external buffer transistor The device has been designed to operate from a 12V supply with all DC controls operating over a 0V to 4V range providing for an easy inter- face to serial digital buss controlled monitors Features Y Built-in video blanking function Y Built-in sync separator for composite video input Y Includes DC restoration of video signals Y Back porch clamp pulse width user adjustable Y DC control of brightness contrast blanking level drive and cutoff Y DC controls are 0V to 4V for easy interfacing to a digitally controlled system Key Specifications Y 150 MHz large signal bandwidth (typ) Y 23 ns risefall times (typ) Y 01 dB contrast tracking (typ) Y g 3 dB drive (D gain) adjustments on R G B channels (typ) Applications Y High resolution CRT monitors Y Video AGC amplifier Y Wideband amplifier with gain and DC offset control Block Diagram and Connection Diagram Top View TLH11238 – 1 Ordering Information Order Number LM1204V See NS Package Number V44A C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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同様の説明 - LM1204 |
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