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1. |
The control terminal (pin 5) of 555 timer IC is normally connected to ground through a capacitor (0.01μF). This is to |
A. | Protect the IC from inadvertent application of high voltage |
B. | Prevent false triggering by noise coupled onto the pin |
C. | Convert the trigger input to sharp pulse by differentiation |
D. | Suppress any negative triggering pulse |
Answer» C. Convert the trigger input to sharp pulse by differentiation | |