59.4.2 - Input Resistance Calculation
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Practice Questions
Test your understanding with targeted questions
What is the formula for voltage gain in a common source amplifier?
💡 Hint: Remember to include both transconductance and output resistance.
Define input resistance and its importance in an amplifier.
💡 Hint: Think about how different resistances can affect input signal strength.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the voltage gain formula in a common source amplifier?
💡 Hint: Focus on understanding the role of transconductance.
True or False: Input resistance affects the signal strength that can be amplified.
💡 Hint: Remember how resistance interacts with voltage and current.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a multi-stage amplifier that uses a common source followed by a common drain stage. Specify component values and justify your choices based on expected voltage gain and input resistance.
💡 Hint: Consider the required specifications for voltage gain and input resistance. Analyze each stage's contribution.
In a given circuit, if the input resistance is found to be 100 kΩ and the desired conditions change causing it to increase by 50%, what is the new input resistance?
💡 Hint: Simply calculate 50% of the current resistance and add it back.
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