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Transconductance of BJT at Intrinsic Gain Formula

GoTransconductance using Collector Current Formula

GoShort-Circuit Transconductance Formula

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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. Check FAQs

G m = \frac{I d}{V gs}

G_m - Transconductance?I_d - Drain Current?V_gs - Gate to Source Voltage?

Transconductance of BJT at Intrinsic Gain Example

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Here is how the Transconductance of BJT at Intrinsic Gain equation looks like with Values.

Here is how the Transconductance of BJT at Intrinsic Gain equation looks like with Units.

Here is how the Transconductance of BJT at Intrinsic Gain equation looks like.

0.0176 = \frac{0.3}{17}

0.0176mS = \frac{0.3mA}{17V}

0.0176 = \frac{0.3}{17}

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Transconductance of BJT at Intrinsic Gain Solution

Follow our step by step solution on how to calculate Transconductance of BJT at Intrinsic Gain?

FIRST Step Consider the formula

G m = \frac{I d}{V gs}

Next Step Substitute values of Variables

∴

G m = \frac{0.3mA}{17V}

Next Step Convert Units

∴

G m = \frac{0.0003A}{17V}

Next Step Prepare to Evaluate

∴

G m = \frac{0.0003}{17}

Next Step Evaluate

∴

G m = 1.76470588235294E-05S

Next Step Convert to Output's Unit

∴

G m = 0.0176470588235294mS

LAST Step Rounding Answer

∴

G m = 0.0176mS

Transconductance of BJT at Intrinsic Gain Formula Elements

Variables

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.

Symbol: G_m

Measurement: Electric ConductanceUnit: mS

Note: Value can be positive or negative.

Formulas to find Transconductance

Drain Current

Drain Current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage.

Symbol: I_d

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Drain Current

Gate to Source Voltage

Gate to source voltage of transistor is the voltage that falls across the gate-source terminal of the transistor.

Symbol: V_gs

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Gate to Source Voltage

Other Formulas to find Transconductance

Go Transconductance using Collector Current

G m = \frac{I c}{V th}

Go Short-Circuit Transconductance

G m = \frac{I o}{V in}

Other formulas in Transconductance category

Go Body Transconductance

G mb = χ \cdot G m

How to Evaluate Transconductance of BJT at Intrinsic Gain?

Transconductance of BJT at Intrinsic Gain evaluator uses Transconductance = Drain Current/Gate to Source Voltage to evaluate the Transconductance, The Transconductance of BJT at intrinsic gain formula is defined as ratio of change in current at output terminal to change in voltage at input terminal of active device. Transconductance is denoted by G_m symbol.

How to evaluate Transconductance of BJT at Intrinsic Gain using this online evaluator? To use this online evaluator for Transconductance of BJT at Intrinsic Gain, enter Drain Current (I_d) & Gate to Source Voltage (V_gs) and hit the calculate button.

FAQs on Transconductance of BJT at Intrinsic Gain

What is the formula to find Transconductance of BJT at Intrinsic Gain?

The formula of Transconductance of BJT at Intrinsic Gain is expressed as Transconductance = Drain Current/Gate to Source Voltage. Here is an example- 17.64706 = 0.0003/17.

How to calculate Transconductance of BJT at Intrinsic Gain?

With Drain Current (I_d) & Gate to Source Voltage (V_gs) we can find Transconductance of BJT at Intrinsic Gain using the formula - Transconductance = Drain Current/Gate to Source Voltage.

What are the other ways to Calculate Transconductance?

Here are the different ways to Calculate Transconductance-

Transconductance=Collector Current/Threshold Voltage
Transconductance=Output Current/Input Voltage

Can the Transconductance of BJT at Intrinsic Gain be negative?

Yes, the Transconductance of BJT at Intrinsic Gain, measured in Electric Conductance can be negative.

Which unit is used to measure Transconductance of BJT at Intrinsic Gain?

Transconductance of BJT at Intrinsic Gain is usually measured using the Millisiemens[mS] for Electric Conductance. Siemens[mS], Megasiemens[mS], Mho[mS] are the few other units in which Transconductance of BJT at Intrinsic Gain can be measured.

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