Therefore the voltage gain A, decreases as the source resistance Rs increases due to a larger voltage dropacross the source resistor.4. The transistor in the circuit in Figure 4 has a dc current gain of ß= 100.(a) Determine the small-signal voltage gain A, vo / Vs-(b) Find the input and output resistances R₂ and Ro.V+ = +4 VR₁Figure 4Rs=1kQ Cciwww.lRB=5 kQ2RE= 5 knHH₁ =Cc₂Rc=4 ΚΩ;V=-6 VRovoR₁ = 4 k

For the above given common emitter amplifier circuit we need to derive all the small signal…

4. The transistor in the circuit in Figure 4 has a dc current gain of 3 = 100. (a) Determine the small-signal voltage gain A, = Vo/Vs. (b) Find the input and output resistances R; and Ro. V+=+4 V R₁ Rs=1kQ Cci wwww-H RB=5 km2 RE=5 kn Rc=2 4 k Cc₂ V=-6V CE -OU R₁ = 4 k Figure 4

4. The transistor in the circuit in Figure 4 has a dc current gain of 3 = 100. (a) Determine the small-signal voltage gain A, = Vo/Vs. (b) Find the input and output resistances R; and Ro. V+=+4 V R₁ Rs=1kQ Cci wwww-H RB=5 km2 RE=5 kn Rc=2 4 k Cc₂ V=-6V CE -OU R₁ = 4 k Figure 4

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Power Amplifier

The power amplifier is an electronic amplifier designed to maximize the signal strength of a given input. The input signal strength is enhanced to a high enough level to drive output devices such as speakers, headphones, RF (Radio frequency) transmitters, etc. Unlike voltage / current amplifiers, the power amplifier is designed to drive core loads directly and is used as a storage block in the amplifier series.

Maximum Efficiency Criterion

In every field of engineering, there is a tremendous use of the machine and all those machines are equipped for their popular work efficiency so it very much important for operation engineers to monitor the efficiency of the machine, planning engineers to check out the efficiency of the machine before installing the machine and design engineers to design machine for higher efficiency than and then the utility will procure their products that will ultimately lead to profit and loss of the company. It indicates the importance of efficiency right from the initial stage as manufacturing units, intermediate stage as planning coordinators, and end-users stage as a utility.

Question

Therefore the voltage gain A, decreases as the source resistance Rs increases due to a larger voltage drop
across the source resistor.
4. The transistor in the circuit in Figure 4 has a dc current gain of ß= 100.
(a) Determine the small-signal voltage gain A, vo / Vs-
(b) Find the input and output resistances R₂ and Ro.
V+ = +4 V
R₁
Figure 4
Rs=1kQ Cci
www.l
RB=5 kQ2
RE= 5 kn
HH₁ =
Cc₂
Rc=
4 ΚΩ;
V=-6 V
Ro
vo
R₁ = 4 k

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