a. In Fig. 17.22, if V_Z = 50 V, determine the maximum possible value the capacitor C₁ can charge to (VGK ≅ 0.7 V).
b. Determine the approximate discharge time (5t) for R₃ = 20 k.
c. Determine the internal resistance of the GTO if the rise time is one-half the decay period determined in part (b).

Fig. 17.22

Transcribed Image Text:

R2 8.2 k2 A V. 200-V 十- supply 25 k2 Vz 0.1 µF R3 V. 1 k2 FIG. 17.22