LM1203AN National Semiconductor, LM1203AN Datasheet
LM1203AN
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LM1203AN Summary of contents
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... MHz vs 70 MHz bandwidth Y V low 0 15V OUT Built in power down spot killer Y Applications High resolution RGB CRT monitors Y Video AGC amplifiers Y Wideband amplifiers with gain and DC offset controls Y FIGURE 1 Order Number LM1203AN See NS Package Number N28B RRD-B30M66 Printed January 1996 TL H 11441– 1 ...
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... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage ( Pins (Note 3) Peak Video Output Source Current (Any One Amp) Pins Voltage at Any Input Pin ( Power Dissipation (P ) (Above 25 C derate ...
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AC Electrical Characteristics Closed V14 0V V15 4V unless otherwise stated e e Symbol Parameter A Video Amplifier Gain V max A Attenuation Attenuation Absolute Gain Match A V match V A ...
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Typical Performance Characteristics Contrast vs Frequency http www national com FIGURE 2 LM1203A Test Circuit V 12V unless otherwise specified 11441 – 11441 – 3 ...
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Typical Performance Characteristics Crosstalk vs Frequency Frequency Response Using Various Peaking Caps Attenuation vs Contrast Voltage V 12V unless otherwise specified (Continued 11441 – 11441– ...
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F capacitors By increasing these resistors to well over 100 the rise and fall times of the LM1203A can be increased for EMI ...
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Applications Information Figure 4 shows the block diagram of a typical analog RGB color monitor The RGB monitor is used with CAD CAM work stations PC’s arcade games and in a wide range of other applications that benefit from the ...
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Circuit Description (Continued) For individual gain adjustment of each video channel a 51 resistor in series with a 100 potentiometer should be used with the red and green channel drive pins A 91 used with the blue channel drive pin ...
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Circuit Description (Continued) FIGURE 6 Simplified Schematic of LM1203A Video Amplifier Section with Recommended External Components 11441– 10 http www national com ...
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Circuit Description (Continued) INPUT REFERENCE AND CONTRAST CONTROL SECTION Figure 7 shows the input reference and contrast control cir- cuitry A temperature compensated 2 8V reference voltage is made available at pin 11 The external DC biasing resis- tors shown ...
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Circuit Description (Continued) FIGURE 8 Simplified Schematic of LM1203A Clamp Gate Circuit 11441 – 12 http www national com ...
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Circuit Description (Continued) FIGURE 9 Simplified Schematic of LM1203A Clamp Comparator Circuits http www national com 11441 – 13 ...
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Additional Applications of the LM1203A Figure 10 shows the configuration for a three channel high frequency amplifier with non gated DC feedback Pin 14 is tied low to turn on the clamp comparators (feedback amplifi- ers) The inverting inputs (Pins ...
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Additional Applications of the LM1203A http www national com (Continued) FIGURE 11 LM1203A Applications Circuit 11441 – 18 ...
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LM1203A vs LM1203 LM1203A is an improved version of the LM1203 RGB video amplifier system and is pin and function compatible with the LM1203 LM1203A’s output voltage can swing as low as 0 15V as opposed for ...
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Additional Applications of the LM1203A FIGURE 12(b) PC board layout of bottom side Top side of PC board (not shown) is full ground plane http www national com (Continued 11441 – 17 ...
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17 http www national com ...
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... Italiano National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Order Number LM1203AN NS Package Number N28B 2 A critical component is any component of a life ...