Figure Q2(a) shows the characteristic curve of a Zener diode. Analyse the characteristic curve to identify the approximate minimum Zener current IzK(min) and the approximate Zener voltage, Vz at IZK. -10 –9 –8 –7 -6 -5 -2 -1 Vz (V) + 1 2 3 4 5 8 Iz (mA) Figure Q2(a) Analyse the circuit in Figure Q2(b) to identify the minimum input voltage required to keep the diode in Zener region based on the values of the minimum Zener current and the approximated Zener voltage found in Question 2(a).

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Figure Q2(a) shows the characteristic curve of a Zener diode. Analyse the characteristic
curve to identify the approximate minimum Zener current Izk(min) and the approximate Zener
voltage, Vz at IZK.
-10 -9 -8 -7 -6 -5
-2 -1
Vz (V) +
1
3
4
6
7
8
Iz (mA)
Figure Q2(a)
Analyse the circuit in Figure Q2(b) to identify the minimum input voltage required to keep the
diode in Zener region based on the values of the minimum Zener current and the
approximated Zener voltage found in Question 2(a).
R
1k2
VIN
Figure Q2(b)
Transcribed Image Text:Figure Q2(a) shows the characteristic curve of a Zener diode. Analyse the characteristic curve to identify the approximate minimum Zener current Izk(min) and the approximate Zener voltage, Vz at IZK. -10 -9 -8 -7 -6 -5 -2 -1 Vz (V) + 1 3 4 6 7 8 Iz (mA) Figure Q2(a) Analyse the circuit in Figure Q2(b) to identify the minimum input voltage required to keep the diode in Zener region based on the values of the minimum Zener current and the approximated Zener voltage found in Question 2(a). R 1k2 VIN Figure Q2(b)
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