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The transistors T1 and T2 used in the figure are identical and β=150, ro=∞ and V|BE|=0.7V for all transistors; a) Find the value of resistor R4 (IB3 will not be neglected) so that the clipping at the output is minimized and symmetrical. b) Draw the AC equivalent circuit of the circuit and calculate the voltage gain Vo/Vi, input resistance Zi and output resistance Zo.

The transistors T1 and T2 used in the figure are identical and β=150, ro=∞ and V|BE|=0.7V for all transistors; a) Find the value of resistor R4 (IB3 will not be neglected) so that the clipping at the output is minimized and symmetrical. b) Draw the AC equivalent circuit of the circuit and calculate the voltage gain Vo/Vi, input resistance Zi and output resistance Zo.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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The transistors T1 and T2 used in the figure are identical and β=150, ro=∞ and V|BE|=0.7V for all transistors;

a) Find the value of resistor R4 (IB3 will not be neglected) so that the clipping at the output is minimized and symmetrical.
b) Draw the AC equivalent circuit of the circuit and calculate the voltage gain Vo/Vi, input resistance Zi and output resistance Zo.

Zi Vi www R₁ 33k T₁ T₂ R3 47k R₂ 33k +Vcc=10V R4 R5 270 Ω T 3 VC3 R6 10k C [ V -V...=-10V EE
Transcribed Image Text:Zi Vi www R₁ 33k T₁ T₂ R3 47k R₂ 33k +Vcc=10V R4 R5 270 Ω T 3 VC3 R6 10k C [ V -V...=-10V EE
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