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4 cards from this section. Quick, good the night before a test.
What is the role of a current mirror in a circuit?
Think about why mirroring currents is useful in amplifiers.
Define Early Voltage.
Consider its impact on transistor behavior.
What is the purpose of a current mirror in amplifier circuits?
Think about how current mirrors assist in ensuring steady currents.
True or False: The early voltage affects the output current of transistor in a linear fashion.
Consider how voltage impacts current behavior in your understanding of circuits.
Given two matched transistors in a current mirror, if one transistor has a beta of 100 and the other 120, analyze how this mismatch affects output current when the collector current is set at 1 mA.
Evaluate based on the proportions created by their betas.
Design a common emitter amplifier using a current mirror with a target gain of 1000. Discuss which transistor parameters you would need to focus on to achieve this.
Draw out your circuit to visualize how currents will need to flow and how adjustments will impact gain.
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