Transconductance in Amplifiers Formulas

Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device. And is denoted by g_m. Transconductance is usually measured using the Siemens for Transconductance. Note that the value of Transconductance is always positive.

Amplifiers formulas that make use of Transconductance

fxLoad Resistance with respect to TransconductanceGo

fxOutput Voltage Gain given TransconductanceGo

FAQ

What is the Transconductance?

Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device. Transconductance is usually measured using the Siemens for Transconductance. Note that the value of Transconductance is always positive.

Can the Transconductance be negative?

No, the Transconductance, measured in Transconductance cannot be negative.

What unit is used to measure Transconductance?

Transconductance is usually measured using the Siemens[S] for Transconductance. Millisiemens[S] are the few other units in which Transconductance can be measured.

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