Q.6. A) For the output stage shown below, the transistors have the following specifications: npn T's : B= 200 &VA=120 V pnp T's : B= 100 &VA=60 V Use VoEon = 0.7 V and VCEsat = 0.2V for all transistors (a) Draw the transfer C/Cs showing all limits for R=20 2, R=200 2 and Ri=1k 2. (b)Write an expression for the output impedance ISV Q2 Q1 D1 Vo D2 - 15V 15V R1 Q4 RL 7.325ka Q5 Q6 - 15V

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Q.6. A) For the output stage shown below, the transistors have the following specifications:
npn T's : B = 200 &VA=120 V
pnp T's : B= 100 &VA=60 V
Use | Vetom| = 0.7 V and | VoEsat|
(a) Draw the transfer C/Cs showing all limits for R=20 2, R=200 2 and R=1k 2.
(b)Write an expression for the output impedance
= 0.2V for all transistors
15V
Q2
Q1
D1
Vo
D2
- 15V
RL
15V
R1
Q4
7.325ka
Q5
Q6
- 15V
一
Transcribed Image Text:Q.6. A) For the output stage shown below, the transistors have the following specifications: npn T's : B = 200 &VA=120 V pnp T's : B= 100 &VA=60 V Use | Vetom| = 0.7 V and | VoEsat| (a) Draw the transfer C/Cs showing all limits for R=20 2, R=200 2 and R=1k 2. (b)Write an expression for the output impedance = 0.2V for all transistors 15V Q2 Q1 D1 Vo D2 - 15V RL 15V R1 Q4 7.325ka Q5 Q6 - 15V 一
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