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2 cards from this section. Quick, good the night before a test.
What is a current amplifier?
Think about what is being amplified.
Why do we use coupling capacitors?
Consider the types of signals an amplifier works with.
What is the purpose of a coupling capacitor in an amplifier circuit?
Think about what kind of signals the capacitor needs to handle.
True or False: Loading effects only occur at the output of an amplifier.
Consider where input and output resistances influence current in an amplifier.
You have a current amplifier with a current gain of 10 and connect a load resistance of 100Ω. If the input current is 1mA, calculate the output current.
Consider how load resistance divides the total current out.
Design an amplifier stage where the output is affected by loading effects. Propose how you would adjust the input parameters to optimize performance.
Reflect on the effects of input and output resistances in practical applications.
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