Practice Numerical Example: Voltage Amplifier (2.2.3) - Amplifier Models and BJT/FET BiasingV
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Numerical Example: Voltage Amplifier

Practice - Numerical Example: Voltage Amplifier

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Calculate the voltage gain (Av) if Vin is 5 mV and Vout is 1 V.

💡 Hint: Use the formula Av = Vout / Vin.

Question 2 Easy

What is the decibel representation of a voltage gain of 100?

💡 Hint: Apply the decibel gain formula.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for calculating voltage gain?

Vout + Vin
Vout - Vin
Vout / Vin

💡 Hint: Remember the basic definition of gain.

Question 2

True or False: Voltage gain is always greater than 1.

True
False

💡 Hint: Visualize how amplifiers can also attenuate signals.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an amplifier circuit that takes 5 mV and produces a 1 V output. Calculate the required voltage gain in both linear and decibels, and justify whether this is practical in real circuits.

💡 Hint: Consider the practical aspects of gain when designing actual circuits.

Challenge 2 Hard

Evaluate how an increased load resistance can impact the output voltage of a voltage amplifier given a fixed input voltage.

💡 Hint: Think about the voltage divider principle in play.

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Reference links

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