Voltage Gain in BJT Formulas

Voltage gain is defined as the ratio of the output voltage to the input voltage. And is denoted by A_v. Voltage Gain is usually measured using the Decibel for Sound. Note that the value of Voltage Gain is always negative.

Formulas to find Voltage Gain in BJT

fxVoltage Gain given Collector CurrentGo

fxVoltage Gain given all VoltagesGo

fxVoltage Gain given Transconductance and Collector ResistanceGo

fxOverall Voltage Gain given Load Resistance of BJTGo

fxOverall Voltage Gain of Amplifier when Load Resistance is Connected to OutputGo

fxOverall Voltage Gain of Buffer Amplifier given Load ResistanceGo

List of variables in BJT formulas

fx Collector Current Go

fx Thermal Voltage Go

fx Collector Resistance Go

fx Supply Voltage Go

fx Collector-Emitter Voltage Go

fx Transconductance Go

fx Load Resistance Go

fx Common-Base Current Gain Go

fx Signal Resistance Go

fx Emitter Resistance Go

fx Common Emitter Current Gain Go

FAQ

What is the Voltage Gain?

Voltage gain is defined as the ratio of the output voltage to the input voltage. Voltage Gain is usually measured using the Decibel for Sound. Note that the value of Voltage Gain is always negative.

Can the Voltage Gain be negative?

Yes, the Voltage Gain, measured in Sound can be negative.

What unit is used to measure Voltage Gain?

Voltage Gain is usually measured using the Decibel[dB] for Sound. Bel[dB], Neper[dB] are the few other units in which Voltage Gain can be measured.

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