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4 cards from this section. Quick, good the night before a test.
What does a Common Source Amplifier primarily amplify?
Think about the type of input and also how output is defined.
What is the ideal gate current in a MOSFET for a Common Source Amplifier?
Consider the characteristics of a MOSFET.
What type of amplifier is a Common Source Amplifier mostly considered?
Think about the primary input and output characteristics.
True or False: The gate current of a MOSFET in a Common Source Amplifier is ideally non-zero.
Consider the operating principles of MOSFETs.
A Common Source Amplifier has a threshold voltage of 1.5V and operates with a gate voltage of 3V. Calculate the required output voltage to keep the amplifier in saturation if the drain-source resistance is 500 ohms and you have an input signal of 0.1V.
Use Ohm's law to relate the output voltage to the current flowing through the drain-source resistance.
Design a biasing circuit for a Common Source Amplifier where the desired DC gate voltage is 5V and the output should provide a gain of 10. What values for the resistors would you need?
Remember to apply the voltage divider concept along with the amplifier gain formula.
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