Overall Effective Voltage of MOSFET Transconductance Formula

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Effective voltage or overdrive voltage is excess of voltage across oxide over thermal voltage is termed. Check FAQs
Vov=2idsk'n(WcL)
Vov - Effective Voltage?ids - Saturation Drain Current?k'n - Process Transconductance Parameter?Wc - Width of Channel?L - Length of Channel?

Overall Effective Voltage of MOSFET Transconductance Example

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With units
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Here is how the Overall Effective Voltage of MOSFET Transconductance equation looks like with Values.

Here is how the Overall Effective Voltage of MOSFET Transconductance equation looks like with Units.

Here is how the Overall Effective Voltage of MOSFET Transconductance equation looks like.

0.1229Edit=24.721Edit0.2Edit(10.15Edit3.25Edit)
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Overall Effective Voltage of MOSFET Transconductance Solution

Follow our step by step solution on how to calculate Overall Effective Voltage of MOSFET Transconductance?

FIRST Step Consider the formula
Vov=2idsk'n(WcL)
Next Step Substitute values of Variables
Vov=24.721mA0.2A/V²(10.15μm3.25μm)
Next Step Convert Units
Vov=20.0047A0.2A/V²(1E-5m3.3E-6m)
Next Step Prepare to Evaluate
Vov=20.00470.2(1E-53.3E-6)
Next Step Evaluate
Vov=0.122949186508306V
LAST Step Rounding Answer
Vov=0.1229V

Overall Effective Voltage of MOSFET Transconductance Formula Elements

Variables
Functions
Effective Voltage
Effective voltage or overdrive voltage is excess of voltage across oxide over thermal voltage is termed.
Symbol: Vov
Measurement: Electric PotentialUnit: V
Note: Value should be greater than 0.
Saturation Drain Current
Saturation drain current is defined as the subthreshold current and varies exponentially with gate to source voltage.
Symbol: ids
Measurement: Electric CurrentUnit: mA
Note: Value should be greater than 0.
Process Transconductance Parameter
Process transconductance parameter is the product of mobility of electrons in channel and oxide capacitance.
Symbol: k'n
Measurement: Transconductance ParameterUnit: A/V²
Note: Value should be greater than 0.
Width of Channel
Width of Channel is the dimension of the channel of MOSFET.
Symbol: Wc
Measurement: LengthUnit: μm
Note: Value should be greater than 0.
Length of Channel
The length of channel, L, which is the distance between the two -p junctions.
Symbol: L
Measurement: LengthUnit: μm
Note: Value should be greater than 0.
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other formulas in Transistor Amplifier Characteristics category

​Go Total Instantaneous Drain Voltage
Vd=Vfc-Rdid
​Go Current Flowing through Induced Channel in Transistor given Oxide Voltage
io=(μeCox(WcL)(Vox-Vt))Vds
​Go Current Entering Drain Terminal of MOSFET at Saturation
ids=12k'n(WcL)(Vov)2
​Go Input Voltage in Transistor
Vfc=Rdid-Vd

How to Evaluate Overall Effective Voltage of MOSFET Transconductance?

Overall Effective Voltage of MOSFET Transconductance evaluator uses Effective Voltage = sqrt(2*Saturation Drain Current/(Process Transconductance Parameter*(Width of Channel/Length of Channel))) to evaluate the Effective Voltage, Overall Effective Voltage of MOSFET Transconductance is the voltage applied across a device or system, taking into account any voltage drops along the circuit path. Effective Voltage is denoted by Vov symbol.

How to evaluate Overall Effective Voltage of MOSFET Transconductance using this online evaluator? To use this online evaluator for Overall Effective Voltage of MOSFET Transconductance, enter Saturation Drain Current (ids), Process Transconductance Parameter (k'n), Width of Channel (Wc) & Length of Channel (L) and hit the calculate button.

FAQs on Overall Effective Voltage of MOSFET Transconductance

What is the formula to find Overall Effective Voltage of MOSFET Transconductance?
The formula of Overall Effective Voltage of MOSFET Transconductance is expressed as Effective Voltage = sqrt(2*Saturation Drain Current/(Process Transconductance Parameter*(Width of Channel/Length of Channel))). Here is an example- 0.122949 = sqrt(2*0.004721/(0.2*(1.015E-05/3.25E-06))).
How to calculate Overall Effective Voltage of MOSFET Transconductance?
With Saturation Drain Current (ids), Process Transconductance Parameter (k'n), Width of Channel (Wc) & Length of Channel (L) we can find Overall Effective Voltage of MOSFET Transconductance using the formula - Effective Voltage = sqrt(2*Saturation Drain Current/(Process Transconductance Parameter*(Width of Channel/Length of Channel))). This formula also uses Square Root Function function(s).
Can the Overall Effective Voltage of MOSFET Transconductance be negative?
No, the Overall Effective Voltage of MOSFET Transconductance, measured in Electric Potential cannot be negative.
Which unit is used to measure Overall Effective Voltage of MOSFET Transconductance?
Overall Effective Voltage of MOSFET Transconductance is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Overall Effective Voltage of MOSFET Transconductance can be measured.
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