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LM555-MIL

更新时间： 2022-10-12 16:34:18

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LM555-MIL 数据手册

LM555

SNAS548C –FEBRUARY 2000–REVISED MARCH 2013

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Figure 19. Pulse Width Modulator

V_CC= 5V

Top Trace: Modulation 1V/Div.

TIME = 0.2 ms/DIV. Bottom Trace: Output Voltage 2V/Div.

R_A= 9.1kΩ

C = 0.01μF

Figure 20. Pulse Width Modulator

PULSE POSITION MODULATOR

This application uses the timer connected for astable operation, as in Figure 21, with a modulating signal again

applied to the control voltage terminal. The pulse position varies with the modulating signal, since the threshold

voltage and hence the time delay is varied. Figure 22 shows the waveforms generated for a triangle wave

modulation signal.

Figure 21. Pulse Position Modulator

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