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4 cards from this section. Quick, good the night before a test.
What is the main role of biasing in a common source amplifier?
Think about how a BJT operates.
Why is the source terminal termed 'common' in a common source amplifier?
Consider the structure of the circuit.
What is a common source amplifier primarily used for?
Recall the main function of amplifiers.
True or False: The gate current in a MOSFET common source amplifier is zero.
Think about how a MOSFET is designed.
A common source amplifier has a transconductance of 2 mS. If the biasing voltage is set at 3V and the threshold voltage is 1.5V, calculate the output current when the input signal voltage is 0.5V.
Always plug the numbers into the transconductance equation.
Design a common source amplifier circuit for a specific application requiring a gain of 10 with a load resistor of 1kΩ. What value of the drain resistor should be used?
Think about the relationship between resistance and gain in your design.
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