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3 cards from this section. Quick, good the night before a test.
What is the primary function of an output resistance in a circuit?
Think about the relationship between current and voltage.
What does V_CE(sat) represent?
Consider what saturation means for a transistor.
What is the primary benefit of using a current mirror in amplification?
Think about why consistent output is critical in amplifiers.
True or False: A Beta-helper circuit is used to increase the current draw from a power supply.
Consider what a Beta-helper does in terms of current management.
A circuit uses a simple current mirror in an audio amplifier. The output voltage varies significantly during operation. Suggest a modification involving a Beta-helper circuit and justify your recommendation.
Focus on the role of current consistency in audio quality.
Design a BJT current mirror circuit aimed at providing a very stable reference current for a sensitive sensor. Explain why the chosen components will minimize non-ideality factors.
Consider how component matching affects circuit performance.
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