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4 cards from this section. Quick, good the night before a test.
What does linearization mean in the context of circuits?
Think about how exact curves can be approximated.
What is transconductance (g_m)?
It's related to how sensitive the output is to changes in input.
What do we drop when transitioning from large signal to small signal models?
Think about what focuses our circuit analysis on small variations.
The parameter g_m is defined as the:
Consider how we define change in response to another variable.
Given a MOSFET with Vgs = 2V, and a drain current of 1mA, calculate the small signal transconductance g_m if Vth = 1V.
Use the transconductance formula directly related to Vgs and Vth.
Analyze how adding a capacitance in parallel with the MOSFET's source would affect the small signal analysis in a high-frequency circuit.
Think about how capacitance impacts current flow at higher frequencies.
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