*43. a. Design the network of Fig. 2.187 to maintain V1 at 12 V for a load variation (I,) from 0mA to 200 mA. That is, determine Rs and Vz. b. Determine Pz max for the Zener diode of part (a).

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*43. a. Design the network of Fig. 2.187 to maintain V1 at 12 V for a load variation (I,) from 0 mA
to 200 mA. That is, determine Rg and Vz.
b. Determine Pz max for the Zener diode of part (a).
*44. For the network of Fig. 2.188, determine the range of V, that will maintain V, at 8 V and not
exceed the maximum power rating of the Zener diode.
Rs
Rs
16 Vo
91Ω
Vz = 8 V.
PZmax
RL
0.22 k2
RL
= 400 mW
FIG. 2.188
FIG. 2.187
Transcribed Image Text:*43. a. Design the network of Fig. 2.187 to maintain V1 at 12 V for a load variation (I,) from 0 mA to 200 mA. That is, determine Rg and Vz. b. Determine Pz max for the Zener diode of part (a). *44. For the network of Fig. 2.188, determine the range of V, that will maintain V, at 8 V and not exceed the maximum power rating of the Zener diode. Rs Rs 16 Vo 91Ω Vz = 8 V. PZmax RL 0.22 k2 RL = 400 mW FIG. 2.188 FIG. 2.187
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