(c) A practical voltage regulator involving a Zener diode reference and series pass transistor is shown in Fig. 15. The circuit is connected to an unregulated voltage source VIN VIN (+1 i IN + R 1380 Ω 100 RL VOUT VZ Ζουτ iz Figure 15: Single-transistor voltage regulator. (ii) Sketch the small-signal equivalent circuit of the regulator and simplify your diagram as much as possible.

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how to sketch the small-signal equivalent circuit of the regulator. please include a neat sketch and show clear step by step working with explanations thank you.
(please handwrite the solutions)

(c) A practical voltage regulator involving a Zener diode reference and series pass transistor is
shown in Fig. 15. The circuit is connected to an unregulated voltage source VIN
VIN
(+1
i IN
+
R
1380 Ω
100 RL
VOUT
VZ
Ζουτ
iz
Figure 15: Single-transistor voltage regulator.
(ii) Sketch the small-signal equivalent circuit of the regulator and simplify your diagram as
much as possible.
Transcribed Image Text:(c) A practical voltage regulator involving a Zener diode reference and series pass transistor is shown in Fig. 15. The circuit is connected to an unregulated voltage source VIN VIN (+1 i IN + R 1380 Ω 100 RL VOUT VZ Ζουτ iz Figure 15: Single-transistor voltage regulator. (ii) Sketch the small-signal equivalent circuit of the regulator and simplify your diagram as much as possible.
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