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3 cards from this section. Quick, good the night before a test.
What is the primary function of a current mirror?
Think about what it means to 'mirror' a current.
Describe the effect of replacing a tail resistor with a current mirror.
What happens to tail current during voltage variations?
What is the main benefit of using a current mirror in a differential amplifier?
Consider how current mirrors help in maintaining consistent operations.
True or False: Active loads decrease the differential mode gain of amplifiers.
Think about the functions of active devices.
Design a differential amplifier circuit using current mirrors and analyze its performance.
Start with drawing the basic configuration and calculating the expected gain.
Calculate the common mode gain of a specific differential amplifier configuration containing current mirrors.
Remember to consider the mirror properties affecting impedance.
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