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January 2021 StudentZone Quiz Solution

QUESTION 1:

This circuit type is sometimes referred to as a peaking current source. Why do you think this naming is used?

ANSWER 1:

The “peaking current source” naming used for this circuit comes from the fact that it produces a narrow region for which the output is independent of the input current.

QUESTION 2:

The output current has a narrow peak. How can you adjust the circuit to produce a much wider, flatter peak?

ANSWER 2:

A design improvement that helps in increasing the range of the input current for which the output is constant (wider and flatter peak) consists of cascading two stabilized current source circuits.