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Drain Current in Load Line Formula

GoDrain Current of MOSFET on Large-Signal Operation given Overdrive Voltage Formula

GoDrain Current without Channel-Length Modulation of MOSFET Formula

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Drain current is the current that flows between the drain and the source terminals of a field-effect transistor (FET), which is a type of transistor commonly used in electronic circuits. Check FAQs

i d = \frac{V dd - V ds}{R L}

i_d - Drain Current?V_dd - Supply Voltage?V_ds - Drain Source Voltage?R_L - Load Resistance?

Drain Current in Load Line Example

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Here is how the Drain Current in Load Line equation looks like with Values.

Here is how the Drain Current in Load Line equation looks like with Units.

Here is how the Drain Current in Load Line equation looks like.

0.0714 = \frac{8.45 - 8.43}{0.28}

0.0714mA = \frac{8.45V - 8.43V}{0.28kΩ}

0.0714 = \frac{8.45 - 8.43}{0.28}

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Drain Current in Load Line Solution

Follow our step by step solution on how to calculate Drain Current in Load Line?

FIRST Step Consider the formula

i d = \frac{V dd - V ds}{R L}

Next Step Substitute values of Variables

∴

i d = \frac{8.45V - 8.43V}{0.28kΩ}

Next Step Convert Units

∴

i d = \frac{8.45V - 8.43V}{280Ω}

Next Step Prepare to Evaluate

∴

i d = \frac{8.45 - 8.43}{280}

Next Step Evaluate

∴

i d = 7.14285714285699E-05A

Next Step Convert to Output's Unit

∴

i d = 0.0714285714285699mA

LAST Step Rounding Answer

∴

i d = 0.0714mA

Drain Current in Load Line Formula Elements

Variables

Drain Current

Drain current is the current that flows between the drain and the source terminals of a field-effect transistor (FET), which is a type of transistor commonly used in electronic circuits.

Symbol: i_d

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Drain Current

Supply Voltage

Supply voltage is the voltage level supplied to an electronic device, and it is a critical parameter that affects the performance and reliability of the device.

Symbol: V_dd

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Supply Voltage

Drain Source Voltage

Drain Source Voltage is an electrical term used in electronics and specifically in field-effect transistors . It refers to the voltage difference between the Drain and Source terminals of the FET.

Symbol: V_ds

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Drain Source Voltage

Load Resistance

Load resistance is the external resistance connected between the drain terminal of the MOSFET and the power supply voltage.

Symbol: R_L

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Load Resistance

Other Formulas to find Drain Current

Go Drain Current of MOSFET on Large-Signal Operation given Overdrive Voltage

i d = (\frac{I b}{V ov}) \cdot (\frac{V id}{2})

Go Drain Current without Channel-Length Modulation of MOSFET

i d = \frac{1}{2} \cdot k' p \cdot WL \cdot {(V gs - V th)}^{2}

Go Instantaneous Drain Current with respect to DC Component of Vgs

i d = K n \cdot ({(V c - V t)}^{2})

Go Instantaneous Drain Current

i d = K n \cdot {(V gsq - V t + V c)}^{2}

Other formulas in Current category

Go First Drain Current of MOSFET on Large-Signal Operation

I d1 = \frac{I b}{2} + \frac{I b}{V ov} \cdot \frac{V id}{2} \cdot \sqrt{1 - \frac{{V id}^{2}}{4 \cdot {V ov}^{2}}}

Go Second Drain Current of MOSFET on Large-Signal Operation

I d2 = \frac{I b}{2} - \frac{I b}{V ov} \cdot \frac{V id}{2} \cdot \sqrt{1 - \frac{{(V id)}^{2}}{4 \cdot {V ov}^{2}}}

Go First Drain Current of MOSFET on Large-Signal Operation given Overdrive Voltage

I d1 = \frac{I b}{2} + \frac{I b}{V ov} \cdot \frac{V id}{2}

Go Second Drain Current of MOSFET on Large-Signal Operation given Overdrive Voltage

I d2 = \frac{I b}{2} - \frac{I b}{V ov} \cdot \frac{V id}{2}

How to Evaluate Drain Current in Load Line?

Drain Current in Load Line evaluator uses Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance to evaluate the Drain Current, The Drain current in load line indicates the current conduction capability of the silicon chip; it can be used as a guide when comparing different devices. Drain Current is denoted by i_d symbol.

How to evaluate Drain Current in Load Line using this online evaluator? To use this online evaluator for Drain Current in Load Line, enter Supply Voltage (V_dd), Drain Source Voltage (V_ds) & Load Resistance (R_L) and hit the calculate button.

FAQs on Drain Current in Load Line

What is the formula to find Drain Current in Load Line?

The formula of Drain Current in Load Line is expressed as Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance. Here is an example- 71.42857 = (8.45-8.43)/280.

How to calculate Drain Current in Load Line?

With Supply Voltage (V_dd), Drain Source Voltage (V_ds) & Load Resistance (R_L) we can find Drain Current in Load Line using the formula - Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance.

What are the other ways to Calculate Drain Current?

Here are the different ways to Calculate Drain Current-

Drain Current=(DC Bias Current/Overdrive Voltage)*(Differential Input Signal/2)
Drain Current=1/2*Process Transconductance in PMOS*Aspect Ratio*(Gate-Source Voltage-Threshold Voltage)^2
Drain Current=Transconductance Parameter*((Critical Voltage-Total Voltage)^2)

Can the Drain Current in Load Line be negative?

No, the Drain Current in Load Line, measured in Electric Current cannot be negative.

Which unit is used to measure Drain Current in Load Line?

Drain Current in Load Line is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Drain Current in Load Line can be measured.

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Drain Current in Load Line Formula

​GoDrain Current of MOSFET on Large-Signal Operation given Overdrive Voltage Formula

​GoDrain Current without Channel-Length Modulation of MOSFET Formula

Drain Current in Load Line Example

Drain Current in Load Line Solution

Drain Current in Load Line Formula Elements

Other Formulas to find Drain Current

Other formulas in Current category

How to Evaluate Drain Current in Load Line?

FAQs on Drain Current in Load Line

Variable Name

GoDrain Current of MOSFET on Large-Signal Operation given Overdrive Voltage Formula

GoDrain Current without Channel-Length Modulation of MOSFET Formula