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1. |
The equation for the output frequency of a 555 timer operating in the astable mode is: . What value of C1 will be required if R1 = 1 k, R2 = 1 k, and f = 1 kHz? |
A. | 0.33 F |
B. | 0.48 F |
C. | 480 F |
D. | 33 nF |
Answer» C. 480 F | |