Preview of practice Voltage Gain And Small Signal Parameters (29.2) - Common Emitter Amplifier (contd.) - Numerical examples (Part B)
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Voltage Gain and Small Signal Parameters

Practice - Voltage Gain and Small Signal Parameters

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main formula for calculating the voltage gain of a common emitter amplifier?

💡 Hint: Remember the relationship between transconductance and collector resistance.

Question 2 Easy

Define input resistance for a common emitter amplifier.

💡 Hint: Think about components connected to the input.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for calculating the voltage gain in a common emitter amplifier?

Av = -g_m / R_C
Av = -g_m * R_C
Av = g_m + R_C

💡 Hint: Remember the signs and relationship of gain to resistance.

Question 2

True or False: The output swing of an amplifier can be increased by reducing the supply voltage.

True
False

💡 Hint: Think about what happens to voltage levels.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an amplifier circuit that meets a gain requirement of 150 while ensuring that the bandwidth stays between 20 Hz and 20 kHz. Calculate the necessary component values.

💡 Hint: You'll need to balance gain and frequency components carefully.

Challenge 2 Hard

Calculate the total power dissipation if the collector current is 5 mA and the supply voltage is 12 V, considering a base current of 50 µA.

💡 Hint: Break down the current contributions systematically.

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