MCQOPTIONS
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| 1. |
The control terminal (pin5) 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 | |