Drain Resistance in MOSFET Formulas

Drain Resistance is defined as the resistance opposing the flow of current through the drain of the transistor. And is denoted by R_d. Drain Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Drain Resistance is always positive.

MOSFET formulas that make use of Drain Resistance

fxOutput Voltage of Small Signal P-ChannelGo

fxSmall-Signal Voltage Gain with respect to Drain ResistanceGo

fxVoltage Gain for Small SignalGo

fxOutput Current of Small SignalGo

FAQ

What is the Drain Resistance?

Drain Resistance is defined as the resistance opposing the flow of current through the drain of the transistor. Drain Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Drain Resistance is always positive.

Can the Drain Resistance be negative?

No, the Drain Resistance, measured in Electric Resistance cannot be negative.

What unit is used to measure Drain Resistance?

Drain Resistance is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Drain Resistance can be measured.

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