Practice - Voltage Gain, Input Resistance, and Output Resistance Estimation
Practice Questions
Test your understanding with targeted questions
What does voltage gain represent in an amplifier circuit?
💡 Hint: Think about how much larger the output is compared to the input.
Define input resistance in the context of an amplifier.
💡 Hint: Consider what it would be like for a device connected to the amplifier.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for voltage gain in an amplifier?
💡 Hint: Focus on what the gain is intended to show.
True or False: Higher input resistance is always desirable for an amplifier.
💡 Hint: Consider the implications of loading on inputs.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You need to design a common emitter amplifier that achieves a voltage gain of -50 with an input resistance of at least 20 kΩ. What steps will you take?
💡 Hint: Consider using multiple configurations to check interdependencies.
A common source FET amplifier has V_GS = 2V, with a transconductance of 5 mS and an output resistance of 1 kΩ. Calculate the expected output voltage given an input signal of 0.1V.
💡 Hint: Break down the formula first to find each component's interaction.
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Reference links
Supplementary resources to enhance your learning experience.