Transconductance Formula

Fx Copy
LaTeX Copy
Transconductance is a measure of the change in output current of a device in response to a change in input voltage. Check FAQs
gm=ΔICVbc
gm - Transconductance?ΔIC - Change in Collector Current?Vbc - Change in Base-Collector Voltage?

Transconductance Example

With values
With units
Only example

Here is how the Transconductance equation looks like with Values.

Here is how the Transconductance equation looks like with Units.

Here is how the Transconductance equation looks like.

0.8571Edit=6Edit7Edit
You are here -
HomeIcon Home » Category Physics » Category Basic Physics » Category Modern Physics » fx Transconductance

Transconductance Solution

Follow our step by step solution on how to calculate Transconductance?

FIRST Step Consider the formula
gm=ΔICVbc
Next Step Substitute values of Variables
gm=6A7V
Next Step Prepare to Evaluate
gm=67
Next Step Evaluate
gm=0.857142857142857S
LAST Step Rounding Answer
gm=0.8571S

Transconductance Formula Elements

Variables
Transconductance
Transconductance is a measure of the change in output current of a device in response to a change in input voltage.
Symbol: gm
Measurement: Electric ConductanceUnit: S
Note: Value can be positive or negative.
Change in Collector Current
Change in Collector Current is the variation in the current flowing through the collector terminal of a bipolar junction transistor in a nuclear application.
Symbol: ΔIC
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Change in Base-Collector Voltage
Change in Base-Collector Voltage is the variation in the voltage between the base and collector terminals of a bipolar junction transistor in a nuclear application.
Symbol: Vbc
Measurement: Electric PotentialUnit: V
Note: Value can be positive or negative.

Other formulas in Transistor Characteristics category

​Go Current in Transistor
Ie=IB+IC
​Go Alpha Parameter of Transistor
α=ICIe
​Go Beta Parameter of Transistor
B=α1-α
​Go Beta Parameter of Transistor given Base Current
B=ICIB

How to Evaluate Transconductance?

Transconductance evaluator uses Transconductance = Change in Collector Current/Change in Base-Collector Voltage to evaluate the Transconductance, Transconductance formula is defined as a measure of the change in output current of a bipolar transistor in response to a change in the voltage between the base and collector, providing a way to quantify the amplification capabilities of the transistor in a circuit. Transconductance is denoted by gm symbol.

How to evaluate Transconductance using this online evaluator? To use this online evaluator for Transconductance, enter Change in Collector Current (ΔIC) & Change in Base-Collector Voltage (Vbc) and hit the calculate button.

FAQs on Transconductance

What is the formula to find Transconductance?
The formula of Transconductance is expressed as Transconductance = Change in Collector Current/Change in Base-Collector Voltage. Here is an example- 0.857143 = 6/7.
How to calculate Transconductance?
With Change in Collector Current (ΔIC) & Change in Base-Collector Voltage (Vbc) we can find Transconductance using the formula - Transconductance = Change in Collector Current/Change in Base-Collector Voltage.
Can the Transconductance be negative?
Yes, the Transconductance, measured in Electric Conductance can be negative.
Which unit is used to measure Transconductance?
Transconductance is usually measured using the Siemens[S] for Electric Conductance. Megasiemens[S], Millisiemens[S], Mho[S] are the few other units in which Transconductance can be measured.
Copied!