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Analog ElectronicsCurrent Mirrors

In a simple matched BJT current mirror, neglecting base currents and Early effect, if the reference current is 1 mA, the mirrored output current is approximately?

  • A0.1 mA
  • B0.5 mA
  • C1 mA
  • D10 mA
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Correct Answer: C. 1 mA
Explanation: Under ideal matched-device assumptions, the output current approximately equals the reference current.
Reference: Standard analog electronics: current mirrors
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