23.7.2 - Loading Effects in Current to Voltage Conversions
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Practice Questions
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What is a current amplifier?
💡 Hint: Think of the function it serves in electronics.
Explain the purpose of DC bias in a current amplifier.
💡 Hint: Consider what happens if a transistor is turned off.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unloaded current gain of a current amplifier?
💡 Hint: Think about what happens when no load is connected.
True or False: Coupling capacitors allow DC signals to pass.
💡 Hint: Consider the primary function of coupling capacitors.
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Challenge Problems
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Design a current amplifier circuit to amplify a 10uA input current to 100uA with a load of 10 ohms. Calculate the required A, and resistance values.
💡 Hint: Use the unloaded current gain formula.
Discuss the primary trade-offs between high input resistance and low output resistance in application circuits for current amplifiers.
💡 Hint: Consider how input and output impedances influence overall performance.
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