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Instantaneous Drain Current using Voltage between Drain and Source Formula

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

i d = K n \cdot (V ox - V t) \cdot V gs

i_d - Drain Current?K_n - Transconductance Parameter?V_ox - Voltage across Oxide?V_t - Threshold Voltage?V_gs - Voltage between Gate and Source?

Instantaneous Drain Current using Voltage between Drain and Source Example

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Here is how the Instantaneous Drain Current using Voltage between Drain and Source equation looks like with Values.

Here is how the Instantaneous Drain Current using Voltage between Drain and Source equation looks like with Units.

Here is how the Instantaneous Drain Current using Voltage between Drain and Source equation looks like.

17.4891 = 2.95 \cdot (3.775 - 2) \cdot 3.34

17.4891mA = 2.95mA/V² \cdot (3.775V - 2V) \cdot 3.34V

17.4891 = 2.95 \cdot (3.775 - 2) \cdot 3.34

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Instantaneous Drain Current using Voltage between Drain and Source Solution

Follow our step by step solution on how to calculate Instantaneous Drain Current using Voltage between Drain and Source?

FIRST Step Consider the formula

i d = K n \cdot (V ox - V t) \cdot V gs

Next Step Substitute values of Variables

∴

i d = 2.95mA/V² \cdot (3.775V - 2V) \cdot 3.34V

Next Step Convert Units

∴

i d = 0.003A/V² \cdot (3.775V - 2V) \cdot 3.34V

Next Step Prepare to Evaluate

∴

i d = 0.003 \cdot (3.775 - 2) \cdot 3.34

Next Step Evaluate

∴

i d = 0.017489075A

Next Step Convert to Output's Unit

∴

i d = 17.489075mA

LAST Step Rounding Answer

∴

i d = 17.4891mA

Instantaneous Drain Current using Voltage between Drain and Source Formula Elements

Variables

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 should be greater than 0.

Formulas to find Drain Current

Transconductance Parameter

Transconductance parameter is the product of the process transconductance parameter and the transistor aspect ratio (W/L).

Symbol: K_n

Measurement: Transconductance ParameterUnit: mA/V²

Note: Value should be greater than 0.

Formulas to find Transconductance Parameter

Voltage across Oxide

Voltage across oxide is due to the charge at the oxide-semiconductor interface and the third term is due to the charge density in the oxide.

Symbol: V_ox

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Voltage across Oxide

Threshold Voltage

Threshold voltage of transistor is the minimum gate to source voltage that is needed to create a conducting path between the source and drain terminals.

Symbol: V_t

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Threshold Voltage

Voltage between Gate and Source

The voltage between gate and source 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 Voltage between Gate and Source

Other formulas in Transistor Amplifier Characteristics category

Go Emitter Current of Common-Base Amplifier

i e = \frac{V in}{R e}

Go Fundamental Voltage in Common-Emitter Amplifier

V fc = R in \cdot i b

Go Input Impedance of Common-Base Amplifier

Z in = {(\frac{1}{R e} + \frac{1}{R sm})}^{- 1}

Go Input Resistance of Common Emitter Amplifier

R in = {(\frac{1}{R b} + \frac{1}{R b2} + \frac{1}{R sm})}^{- 1}

How to Evaluate Instantaneous Drain Current using Voltage between Drain and Source?

Instantaneous Drain Current using Voltage between Drain and Source evaluator uses Drain Current = Transconductance Parameter*(Voltage across Oxide-Threshold Voltage)*Voltage between Gate and Source to evaluate the Drain Current, The Instantaneous drain current using voltage between drain and source indicates the current conduction capability of the silicon chip; it can be used as a guide when comparing different devices. However, the rated maximum drain current should not be allowed to flow to the chip. Drain Current is denoted by i_d symbol.

How to evaluate Instantaneous Drain Current using Voltage between Drain and Source using this online evaluator? To use this online evaluator for Instantaneous Drain Current using Voltage between Drain and Source, enter Transconductance Parameter (K_n), Voltage across Oxide (V_ox), Threshold Voltage (V_t) & Voltage between Gate and Source (V_gs) and hit the calculate button.

FAQs on Instantaneous Drain Current using Voltage between Drain and Source

What is the formula to find Instantaneous Drain Current using Voltage between Drain and Source?

The formula of Instantaneous Drain Current using Voltage between Drain and Source is expressed as Drain Current = Transconductance Parameter*(Voltage across Oxide-Threshold Voltage)*Voltage between Gate and Source. Here is an example- 17311.22 = 0.00295*(3.775-2)*3.34.

How to calculate Instantaneous Drain Current using Voltage between Drain and Source?

With Transconductance Parameter (K_n), Voltage across Oxide (V_ox), Threshold Voltage (V_t) & Voltage between Gate and Source (V_gs) we can find Instantaneous Drain Current using Voltage between Drain and Source using the formula - Drain Current = Transconductance Parameter*(Voltage across Oxide-Threshold Voltage)*Voltage between Gate and Source.

Can the Instantaneous Drain Current using Voltage between Drain and Source be negative?

No, the Instantaneous Drain Current using Voltage between Drain and Source, measured in Electric Current cannot be negative.

Which unit is used to measure Instantaneous Drain Current using Voltage between Drain and Source?

Instantaneous Drain Current using Voltage between Drain and Source is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Instantaneous Drain Current using Voltage between Drain and Source can be measured.

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Instantaneous Drain Current using Voltage between Drain and Source Formula

Instantaneous Drain Current using Voltage between Drain and Source Example

Instantaneous Drain Current using Voltage between Drain and Source Solution

Instantaneous Drain Current using Voltage between Drain and Source Formula Elements

Other formulas in Transistor Amplifier Characteristics category

How to Evaluate Instantaneous Drain Current using Voltage between Drain and Source?

FAQs on Instantaneous Drain Current using Voltage between Drain and Source

Variable Name