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3 cards from this section. Quick, good the night before a test.
What is the maximum gain of a single common emitter amplifier?
Refer to the characteristics of common emitter amplifiers.
Define cascading in the context of amplifiers.
Think about how amplifiers are linked in a circuit.
What is the primary purpose of cascading amplifiers?
Think about what cascading aims to achieve in terms of amplifier performance.
True or False: The loading effect does not affect the overall gain of cascaded amplifiers.
Recall the definition of loading effect.
Design a cascading amplifier system with two stages: the first has a gain of 150 and the second, 200. However, the input impedance of the second stage is only 50% effective due to its loading effect. Calculate the overall gain.
Don't forget to include the attenuation factor due to loading.
Explain how a change in temperature could affect the bias point stability of a cascaded amplifier. Provide a real-world example.
Consider how components in circuits respond to temperature changes.
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