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2 cards from this section. Quick, good the night before a test.
What is the purpose of small signal analysis?
Think about why we need to analyze complex circuits.
Define transconductance.
It's a measure of how sensitive the collector current is to voltage changes.
What does g_m represent in a BJT?
Think about how collector current behaves with voltage changes.
True or False: The output conductance g_o shows how collector current varies with changes in input voltage.
Consider which voltage is being referenced in each context.
Given a BJT with g_m = 15 mS, an R_C load of 2 kΩ, calculate the voltage gain and explain its significance.
Remember what a negative gain indicates in terms of phase.
If a small signal input causes a current increase that exceeds predicted values due to Q-point shifts, discuss the implications on design choices.
Think about how variations can lead to misbehavior in amplifiers.
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