transistor ampliner shown below where the coupling capacitors Cel, Cc2 and the bypass capac- itor CE are large. Vcc Vcc RC Ca R1 Vout Cel RB RL R, Vin Rout R2 RE1 Rin RE2 CE 1. Draw the small-signal equivalent circuit of the amplifier ignoring r, of the transistor small-signal model. 2. Determine the small-signal voltage gain Vout/Vin- 3. Determine the small-signal input resistance Rin as seen by the source circuit v, and R,. 4. Determine the small-signal output resistance Rout as scen by the load resistance R1. 5. Determine the small-signal voltage gain v,out/V,. 6. The capacitors shown in the amplifier circuit are electrolytic capacitors; therefore, they are polarized. Are the polarities of the coupling capacitors and the bypass capacitor important? In other words, could we reverse the polarities?

transistor ampliner shown below where the coupling capacitors Cel, Cc2 and the bypass capac- itor CE are large. Vcc Vcc RC Ca R1 Vout Cel RB RL R, Vin Rout R2 RE1 Rin RE2 CE 1. Draw the small-signal equivalent circuit of the amplifier ignoring r, of the transistor small-signal model. 2. Determine the small-signal voltage gain Vout/Vin- 3. Determine the small-signal input resistance Rin as seen by the source circuit v, and R,. 4. Determine the small-signal output resistance Rout as scen by the load resistance R1. 5. Determine the small-signal voltage gain v,out/V,. 6. The capacitors shown in the amplifier circuit are electrolytic capacitors; therefore, they are polarized. Are the polarities of the coupling capacitors and the bypass capacitor important? In other words, could we reverse the polarities?

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

Differential amplifier

There are two amplifying stages with common degeneration in a differential amplifier.

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Consider the transistor amplifier shown below where the coupling capacitors Col, C2 and the bypass capac-
itor CE are large.
Vcc
Vcc
Rc.
Ca
R1
Vout
RB
RL
R.
Vin
Rout
R2
RE1
Rin
RE2
CE
1. Draw the small-signal equivalent circuit of the amplifier ignoring ro of the transistor small-signal model.
2. Determine the small-signal voltage gain vout/Vin-
3. Determine the small-signal input resistance Rin as seen by the source circuit v, and R.
4. Determine the small-signal output resistance Rout as seen by the load resistance R1,-
6. The capacitors shown in the amplifier circeuit are electrolytic capacitors; therefore, they are polarized.
Are the polarities of the coupling capacitors and the bypass capacitor important? In other words,
could we reverse the polarities?
5. Determine the small-signal voltage gain vout/Ug-

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