Question

17, A nerve stimulator that stimulates for 300 us every 60 ms is designed using 555 timer configured below on the left. a) What is the other electric element needed for the stimulating signal? b) If the value of the capacitor is chosen to be 0.3 μF, what should be the values of Ra and Rb? (Hints: The high voltage and low voltage time are given in the figure on the right.) 5V ov -In(0.5)R,C

Answer 1

Gmwon that Totul time fcrod 60 mse. Simulates feT> - 8oouse Tb

ln(e) xo.zx 06 Rac 235-65 K.a