Figure Q3 shows a single stage transistor amplifier driven by a signalvoltage source Via) Determine the operating (Q) point if B = 100 and VBE = O.7 V.b) Using the re model, draw the AC equivalent circuit and determine the:i) input impedance, output impedance,ii) voltage gain AVsiii) the current gain, Ai. Assume ro = ∞ 1kQV₁Q3 Figure Q3 shows a single stage transistor amplifier driven by a signalvoltage source V₁.a) Determine the operating (Q) point if ß = 100 and VBE = 0.7V.+20VC₂HH-O VoC₁1kQ10V>10KQ{2ΚΩE1kQ1kQFigure Q3CE(b) Using the re model, draw the AC equivalent circuitand determine the:i.input impedance, output impedance,i.voltage gain AVs andi.the current gain, Ai . Assume ro = ∞.

The required parameters can be calculated by using DC and AC analysis of the amplifier circuit.

Answered: Figure Q3 shows a single stage…

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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Figure Q3 shows a single stage transistor amplifier driven by a signal voltage source Vi a) Determine the operating (Q) point if B = 100 and VBE = O.7 V. b) Using the re model, draw the AC equivalent circuit and determine the: i) input impedance, output impedance, ii) voltage gain AVs iii) the current gain, Ai. Assume ro = ∞

1kQ
V₁
Q3 Figure Q3 shows a single stage transistor amplifier driven by a signal
voltage source V₁.
a) Determine the operating (Q) point if ß = 100 and VBE = 0.7V.
+20V
C₂
HH
-O Vo
C₁
1kQ
10V
>10KQ
{2ΚΩ
E
1kQ
1kQ
Figure Q3
CE
(b) Using the re model, draw the AC equivalent circuit
and determine the:
i.
input impedance, output impedance,
i.
voltage gain AVs and
i.
the current gain, Ai . Assume ro = ∞.

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