データシートサーチシステム |
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LM1237 データシート(PDF) 7 Page - National Semiconductor (TI) |
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LM1237 データシート(HTML) 7 Page - National Semiconductor (TI) |
7 / 42 page Typical Performance Characteristics V CC =5V, TA = 25˚C unless otherwise specified (Continued) Figure 4 and Figure 5 show the case where the horizontal and vertical inputs are from deflection. Figure 4 shows the pin 24 voltage which is derived from a horizontal flyback pulse of 35 volts peak to peak with R H = 8.2K and C17 jumpered. Figure 5 shows the pin 1 voltage which is derived from a vertical flyback pulse of 55 volts peak to peak with C 4 = 1500pF and RV = 120K. Figure 6 shows the pin 23 clamp input voltage superimposed on the neck board clamp logic input pulse. R 31 = 1K and should be chosen to limit the pin 23 voltage to about 2.5V peak to peak. This corresponds to the application circuit given in Figure 9. Cathode Response Figure 7 shows the response at the red cathode for the application circuit in Figures 9, 10. The input video risetime is 1.5 nanoseconds. The resulting leading edge has a 7.1 nanosecond risetime and a 7.6% overshoot, while the trailing edge has a 7.1 nanosecond risetime and a 6.9% overshoot with an LM2467 driver. 20023456 FIGURE 4. Deflection Horizonal Blanking 20023457 FIGURE 5. Deflection Vertical Blanking 20023458 FIGURE 6. Logic Clamp Pulse 20023459 FIGURE 7. Red Cathode Response www.national.com 7 |
同様の部品番号 - LM1237_04 |
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同様の説明 - LM1237_04 |
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