LM1201M National Semiconductor, LM1201M Datasheet
LM1201M
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LM1201M Summary of contents
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... Video input voltage reference Y Low impedance output driver Y Typical Applications CRT video amplifiers Y Video switches Y High frequency video preamplifiers Y Wideband gain controls Y PC monitors Y Workstations Y 3 dB) b Facsimile machines range) Printers Y FIGURE 1 Order Number LM1201M or LM1201N RRD-B30M56 Printed January 1995 TL H 10006– 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 V Pins Ground Pins 1 7 Voltage at Any Input Pin ( Video Output Current ( Package Power Dissipation (Above 25 C derate based on ( ...
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FIGURE 2 LM1201 AC DC Test Circuit Note When and S9 is closed DC feedback around the Video Amplifier is provided by the clamp comparator Under these conditions sine wave or 50 duty cycle square ...
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APPLICATIONS INFORMATION Figure 4 shows the block diagram of a typical analog mono- chrome monitor The monitor is used with CAD CAM work stations PCs arcade games and in a wide range of other applications that benefit from the use ...
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Circuit Description Figure block diagram of the LM1201 along with the contrast and brightness controls The contrast control operated attenuator which varies the AC gain of the amplifier without introducing any signal distortions or ...
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Circuit Description (Continued) http www national com 6 ...
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Circuit Description (Continued) The ‘‘Drive’’ pin will allow the user to set the maximum gain of the amplifier based on the range of input video signal levels and the CRT stage gain fixed or limited When using ...
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Circuit Description (Continued) Figure 7 also shows how the contrast control circuit is con- figured Resistors R23 R24 diodes D3 D4 and transistor Q13 are used to establish a low impedance zero TC half supply voltage reference at the base ...
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Applications Information Figure 9 shows the configuration of a high frequency amplifi- er with non-gated DC feedback Pin 5 is tied low to turn on the clamp comparator (feedback amplifier) The inverting in- put (pin 9) is connected to the ...
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Applications Information Figure 10 shows the LM1201 set video amplifier with biphase outputs Because the collector of output tran- sistor Q12 is the only internal connection to V termination to the power supply voltage allows one to ...
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Applications Information (Continued) FIGURE 11 High Frequency Video Switch with Common Contrast and Brightness Controls 10006– 11 http www national com ...
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Rise Time No Socket Fall Time No Socket HP8082 pulse generator HP10241A 10 1 voltage divider HP1120A 500 MHz FET probe Tektronix 2465A 350 MHz scope Scale for All Photos Vert 1V Div Horiz 5 ns Div http www national ...
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Note The layout shown above is suitable for evaluating the performance of the LM1201 Although it is similar to the typical application circuit of Figure 3 there driver stage Instead a feedback ...
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http www national com 14 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted 16-Lead (0 1500 Wide) Small Outline Molded Package (M) Order Number LM1201M NS Package Number M16A 15 http www national com ...
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... Floor Straight Block a Ocean Centre 5 Canton Rd 49 (0) 180-530 85 85 Tsimshatsui Kowloon a Tel 49 (0) 180-532 78 32 Hong Kong a 49 (0) 180-532 93 58 Tel (852) 2737-1600 a Tel 49 (0) 180-534 16 80 Fax (852) 2736-9960 a Lit 107313 National Semiconductor Japan Ltd Tel 81-043-299-2308 Fax 81-043-299-2408 ...