2.10 Zener Diodes *42. a. Determine V₁, IL, Iz, and IR for the network of Fig. 2.186 if RL = 180 2. b. Repeat part (a) i

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2 10 Zener Diodes 42 A Determine V Il Iz And Ir For The Network Of Fig 2 186 If Rl 180 2 B Repeat Part A I 1 (201.39 KiB) Viewed 29 times

2.10 Zener Diodes *42. a. Determine V₁, IL, Iz, and IR for the network of Fig. 2.186 if RL = 180 2. b. Repeat part (a) if R₁ = 470 N. c. Determine the value of R₁ that will establish maximum power conditions for the Zener diode. d. Determine the minimum value of R₁ to ensure that the Zener diode is in the "on" state. O + 16 Vo 20 V Rs IR Vz R$ 220 22 FIG. 2.187 Problem 43. Vz = 10 V PZmax = 400 mW FIG. 2.186 Problem 42. *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 Rs 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 V₁ at 8 V and not exceed the maximum power rating of the Zener diode. | L RL Vo IL RL VL PZ max + Rs 91Ω V₂=8V = 400 mW RL 0.22 ΚΩ FIG. 2.188 Problems 44 and 52.