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3 cards from this section. Quick, good the night before a test.
What does an emitter resistor do in a transistor circuit?
Think about its role in thermal stability.
Define transconductance.
It’s a key factor in understanding amplifier gain.
What is the effect of the emitter resistor on the voltage gain in a common emitter amplifier?
Think about how R_E modifies the gain equation.
True or False: A coupling capacitor allows DC signals to pass while blocking AC signals.
Remember the function of a coupling capacitor in AC vs DC.
Given a common emitter amplifier with R_E = 2kΩ and R_C = 10kΩ, calculate the voltage gain assuming g_m = 0.035 S.
Plug values into the voltage gain formula.
If the emitter resistor must be reduced to recover gain, what might happen if it is made very small? Discuss possible circuit behavior.
Consider thermal stability and sensitivity factors in transistor circuits.
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