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Transconductance is defined as the ratio of the change in drain current to the change in gate-source voltage, assuming a constant drain-source voltage. Check FAQs
gm=2Cgsπfco
gm - Transconductance?Cgs - Gate Source Capacitance?fco - Cut-off Frequency?π - Archimedes' constant?

Transconductance in MESFET Example

With values
With units
Only example

Here is how the Transconductance in MESFET equation looks like with Values.

Here is how the Transconductance in MESFET equation looks like with Units.

Here is how the Transconductance in MESFET equation looks like.

0.05Edit=2265Edit3.141630.05Edit
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Transconductance in MESFET Solution

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

FIRST Step Consider the formula
gm=2Cgsπfco
Next Step Substitute values of Variables
gm=2265μFπ30.05Hz
Next Step Substitute values of Constants
gm=2265μF3.141630.05Hz
Next Step Convert Units
gm=20.0003F3.141630.05Hz
Next Step Prepare to Evaluate
gm=20.00033.141630.05
Next Step Evaluate
gm=0.0500345753973978S
LAST Step Rounding Answer
gm=0.05S

Transconductance in MESFET Formula Elements

Variables
Constants
Transconductance
Transconductance is defined as the ratio of the change in drain current to the change in gate-source voltage, assuming a constant drain-source voltage.
Symbol: gm
Measurement: TransconductanceUnit: S
Note: Value can be positive or negative.
Gate Source Capacitance
Gate Source Capacitance is a parasitic capacitance that exists between the gate and source terminals of a MESFET or other types of transistors.
Symbol: Cgs
Measurement: CapacitanceUnit: μF
Note: Value should be greater than 0.
Cut-off Frequency
Cut-off Frequency is defined as corner frequency is a boundary in system's frequency response at which energy flowing through system begins to be reduced rather than passing through.
Symbol: fco
Measurement: FrequencyUnit: Hz
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other Formulas to find Transconductance

​Go Transconductance in Saturation Region
gm=Go(1-Vi-VgVp)

Other formulas in MESFET Characteristics category

​Go Gate Length of MESFET
Lgate=Vs4πfco
​Go Cut-off Frequency
fco=Vs4πLgate
​Go Gate Source Capacitance
Cgs=gm2πfco
​Go Maximum Frequency of Oscillations in MESFET
fm=(ft2)RdRg

How to Evaluate Transconductance in MESFET?

Transconductance in MESFET evaluator uses Transconductance = 2*Gate Source Capacitance*pi*Cut-off Frequency to evaluate the Transconductance, The Transconductance in MESFET formula is defined as Transconductance, also infrequently called mutual conductance, is the electrical characteristic relating the current through the output of a device to the voltage across the input of a device. Transconductance is denoted by gm symbol.

How to evaluate Transconductance in MESFET using this online evaluator? To use this online evaluator for Transconductance in MESFET, enter Gate Source Capacitance (Cgs) & Cut-off Frequency (fco) and hit the calculate button.

FAQs on Transconductance in MESFET

What is the formula to find Transconductance in MESFET?
The formula of Transconductance in MESFET is expressed as Transconductance = 2*Gate Source Capacitance*pi*Cut-off Frequency. Here is an example- 0.050035 = 2*0.000265*pi*30.05.
How to calculate Transconductance in MESFET?
With Gate Source Capacitance (Cgs) & Cut-off Frequency (fco) we can find Transconductance in MESFET using the formula - Transconductance = 2*Gate Source Capacitance*pi*Cut-off Frequency. This formula also uses Archimedes' constant .
What are the other ways to Calculate Transconductance?
Here are the different ways to Calculate Transconductance-
  • Transconductance=Output Conductance*(1-sqrt((Schottky Diode Potential Barrier-Gate Voltage)/Pinch Off Voltage))OpenImg
Can the Transconductance in MESFET be negative?
Yes, the Transconductance in MESFET, measured in Transconductance can be negative.
Which unit is used to measure Transconductance in MESFET?
Transconductance in MESFET is usually measured using the Siemens[S] for Transconductance. Millisiemens[S] are the few other units in which Transconductance in MESFET can be measured.
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