Preview of practice Gain Calculation (17.7.2) - Analysis of simple non - linear circuit containing a MOSFET (Contd.)
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Gain Calculation

Practice - Gain Calculation

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define gain in an electronic circuit.

💡 Hint: Think about how the input signal is affected by the circuit.

Question 2 Easy

What is transconductance?

💡 Hint: It's a measure of control by input voltage over output current.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for calculating gain in a circuit with a MOSFET?

G = g_m × R_D
G = -g_m × R_D
G = R_D/g_m

💡 Hint: Remember how MOSFETs behave in terms of output phase.

Question 2

True or False: Gain can be calculated without knowing the output voltage.

True
False

💡 Hint: Reflect on the definition of gain as a ratio.

3 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a MOSFET amplifier circuit with given specifications: gain of 10, supply voltage of 12V, and ensure the device operates within the saturation region. Provide calculations and justifications.

💡 Hint: Use \\( G = -g_m × R_D \\) to set your values and check with characteristic curves.

Challenge 2 Hard

You are given a circuit with a MOSFET and a load resistor. If the output voltage is 6V, and input current is 2mA, compute transconductance and ensure proper calculation of the gain.

💡 Hint: Review the definitions of V_GS and output relationships.

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