Electronics Engineering · Analog Circuits
In a basic MOSFET current mirror, why must both transistors ideally be identical and operate at the same drain-to-source voltage (VDS)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To maintain absolute equal power dissipation across the substrate
- 2To eliminate high-frequency phase distortion
- 3To prevent sudden short circuits in the active region
- 4To ensure exact matching of the reference and output drain currents by eliminating channel-length modulation effects✓
Correct answer
To ensure exact matching of the reference and output drain currents by eliminating channel-length modulation effects
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