Drain Current in Load Line Solution

STEP 0: Pre-Calculation Summary
Formula Used
Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance
id = (Vdd-Vds)/RL
This formula uses 4 Variables
Variables Used
Drain Current - (Measured in Ampere) - 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.
Supply Voltage - (Measured in Volt) - 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.
Drain Source Voltage - (Measured in Volt) - 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.
Load Resistance - (Measured in Ohm) - Load resistance is the external resistance connected between the drain terminal of the MOSFET and the power supply voltage.
STEP 1: Convert Input(s) to Base Unit
Supply Voltage: 8.45 Volt --> 8.45 Volt No Conversion Required
Drain Source Voltage: 8.43 Volt --> 8.43 Volt No Conversion Required
Load Resistance: 0.28 Kilohm --> 280 Ohm (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
id = (Vdd-Vds)/RL --> (8.45-8.43)/280
Evaluating ... ...
id = 7.14285714285699E-05
STEP 3: Convert Result to Output's Unit
7.14285714285699E-05 Ampere -->0.0714285714285699 Milliampere (Check conversion here)
FINAL ANSWER
0.0714285714285699 0.071429 Milliampere <-- Drain Current
(Calculation completed in 00.004 seconds)

Credits

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Birsa Institute of Technology (BIT), Sindri
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12 Current Calculators

Second Drain Current of MOSFET on Large-Signal Operation
Go Drain Current 2 = DC Bias Current/2-DC Bias Current/Overdrive Voltage*Differential Input Signal/2*sqrt(1-(Differential Input Signal)^2/(4*Overdrive Voltage^2))
First Drain Current of MOSFET on Large-Signal Operation
Go Drain Current 1 = DC Bias Current/2+DC Bias Current/Overdrive Voltage*Differential Input Signal/2*sqrt(1-Differential Input Signal^2/(4*Overdrive Voltage^2))
Instantaneous Drain Current
Go Drain Current = Transconductance Parameter*(DC Component of Gate to Source Voltage-Total Voltage+Critical Voltage)^2
Drain Saturation Current of MOSFET
Go Saturation Drain Current = 1/2*Process Transconductance in PMOS*Channel Width/Channel Length*(Effective Voltage)^2
Drain Current without Channel-Length Modulation of MOSFET
Go Drain Current = 1/2*Process Transconductance in PMOS*Aspect Ratio*(Gate-Source Voltage-Threshold Voltage)^2
Second Drain Current of MOSFET on Large-Signal Operation given Overdrive Voltage
Go Drain Current 2 = DC Bias Current/2-DC Bias Current/Overdrive Voltage*Differential Input Signal/2
First Drain Current of MOSFET on Large-Signal Operation given Overdrive Voltage
Go Drain Current 1 = DC Bias Current/2+DC Bias Current/Overdrive Voltage*Differential Input Signal/2
Drain Current of MOSFET on Large-Signal Operation given Overdrive Voltage
Go Drain Current = (DC Bias Current/Overdrive Voltage)*(Differential Input Signal/2)
Instantaneous Drain Current with respect to DC Component of Vgs
Go Drain Current = Transconductance Parameter*((Critical Voltage-Total Voltage)^2)
Current in Common-Mode Rejection of MOSFET
Go Total Current = Incremental Signal/((1/Transconductance)+(2*Output Resistance))
Drain Current in Load Line
Go Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance
Short Circuit Current of MOSFET
Go Output Current = Transconductance*Gate-Source Voltage

Drain Current in Load Line Formula

Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance
id = (Vdd-Vds)/RL

What is drain current in MOSFET?

The drain current below threshold voltage is defined as the subthreshold current and varies exponentially with Vgs. The reciprocal of the slope of the log(Ids) vs. Vgs characteristic is defined as the subthreshold slope, S, and is one of the most critical performance metrics for MOSFETs in logic applications.

How to Calculate Drain Current in Load Line?

Drain Current in Load Line calculator uses Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance to calculate 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 id symbol.

How to calculate Drain Current in Load Line using this online calculator? To use this online calculator for Drain Current in Load Line, enter Supply Voltage (Vdd), Drain Source Voltage (Vds) & Load Resistance (RL) and hit the calculate button. Here is how the Drain Current in Load Line calculation can be explained with given input values -> 71.42857 = (8.45-8.43)/280.

FAQ

What is Drain Current in Load Line?
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 and is represented as id = (Vdd-Vds)/RL or Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance. 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, 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 & Load resistance is the external resistance connected between the drain terminal of the MOSFET and the power supply voltage.
How to calculate Drain Current in Load Line?
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 is calculated using Drain Current = (Supply Voltage-Drain Source Voltage)/Load Resistance. To calculate Drain Current in Load Line, you need Supply Voltage (Vdd), Drain Source Voltage (Vds) & Load Resistance (RL). With our tool, you need to enter the respective value for Supply Voltage, Drain Source Voltage & Load Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Drain Current?
In this formula, Drain Current uses Supply Voltage, Drain Source Voltage & Load Resistance. We can use 4 other way(s) to calculate the same, which is/are as follows -
  • 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)
  • Drain Current = Transconductance Parameter*(DC Component of Gate to Source Voltage-Total Voltage+Critical Voltage)^2
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