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PMOS Saturation I–V & Transconductance Calculator

PMOS Saturation I–V & Transconductance Calculator

PMOS Saturation I–V & Transconductance Calculator

Calculate the drain current \(I_D\) and transconductance \(g_m\) for a PMOS in saturation mode.

* Ensure that \(V_{SG} > V_{TP}\). (Enter voltages as positive numbers)

Step 1: Enter PMOS Parameters

e.g., 3.0 V

e.g., 1.0 V (absolute value)

e.g., 0.001 A/V²

Dimensionless (e.g., 10)

Drain Current (Saturation): $$ I_D = \frac{1}{2}\, k_p \frac{W}{L} \left(V_{SG} – V_{TP}\right)^2 $$

Transconductance: $$ g_m = k_p \frac{W}{L} \left(V_{SG} – V_{TP}\right) $$

* Valid if \(V_{SG} > V_{TP}\) and \(V_{DS} > V_{SG} – V_{TP}\).

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