Working of Current Mirror

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written 5.7 years ago by

• modified 5.7 years ago

MOSFET current sources are also called as current mirrors.

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The figure shows a basic two transistor NMOS current mirror. The drain and source terminals of the enhancement mode transistor M1 are connected, which means that M1 is always biased in the saturation region. Assuming $\lambda = 0$ we can write …

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