Offset Voltage of MOSFET with Current-Mirror Load Calculator

✖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.ⓘ Threshold Voltage [V_t]			+10% -10%
✖Forced common-emitter current gain is the ratio of collector current and base current at saturation mode.ⓘ Forced Common-Emitter Current Gain [β_forced]			+10% -10%

✖Input offset voltage is the voltage that must be applied between the two input terminals of the op-amp to obtain zero volts at the output.ⓘ Offset Voltage of MOSFET with Current-Mirror Load [V_os]

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Offset Voltage of MOSFET with Current-Mirror Load

Formula

`"V"_{"os"} = -(2*"V"_{"t"})/"β"_{"forced"}`

Example

`"-3.545455V"=-(2*"19.5V")/"11"`

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Offset Voltage of MOSFET with Current-Mirror Load Solution

STEP 0: Pre-Calculation Summary

Formula Used

Input Offset Voltage = -(2*Threshold Voltage)/Forced Common-Emitter Current Gain
V_os = -(2*V_t)/β_forced
This formula uses 3 Variables

Variables Used

Input Offset Voltage - (Measured in Volt) - Input offset voltage is the voltage that must be applied between the two input terminals of the op-amp to obtain zero volts at the output.
Threshold Voltage - (Measured in Volt) - 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.
Forced Common-Emitter Current Gain - Forced common-emitter current gain is the ratio of collector current and base current at saturation mode.

STEP 1: Convert Input(s) to Base Unit

Threshold Voltage: 19.5 Volt --> 19.5 Volt No Conversion Required
Forced Common-Emitter Current Gain: 11 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_os = -(2*V_t)/β_forced --> -(2*19.5)/11

Evaluating ... ...

V_os = -3.54545454545455

STEP 3: Convert Result to Output's Unit

-3.54545454545455 Volt --> No Conversion Required

FINAL ANSWER

-3.54545454545455 ≈ -3.545455 Volt <-- Input Offset Voltage

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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National Institute Of Technology (NIT), Hamirpur

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< 4 DC Offset Calculators

Current on Operation with Differential Input Voltage

Go Total Current = 1/2*(Process Transconductance Parameter*Aspect Ratio)*(Voltage across Diode-Threshold Voltage)^2

Output Voltage of Voltage Amplifier

Go Output Voltage = Source Voltage-(Drain Current*Load Resistance)

Offset Voltage of MOSFET with Current-Mirror Load

Go Input Offset Voltage = -(2*Threshold Voltage)/Forced Common-Emitter Current Gain

Maximum Differential Input Voltage of MOSFET given Overdrive Voltage

Go Differential Input Signal = sqrt(2)*Effective Voltage

Offset Voltage of MOSFET with Current-Mirror Load Formula

Input Offset Voltage = -(2*Threshold Voltage)/Forced Common-Emitter Current Gain
V_os = -(2*V_t)/β_forced

What causes offset voltage?

The cause of input offset voltage is well known—it is due to the inherent mismatch of the input transistors and components during fabrication of the silicon die, and stresses placed on the die during the packaging process (minor contribution).

How to Calculate Offset Voltage of MOSFET with Current-Mirror Load?

Offset Voltage of MOSFET with Current-Mirror Load calculator uses Input Offset Voltage = -(2*Threshold Voltage)/Forced Common-Emitter Current Gain to calculate the Input Offset Voltage, The Offset voltage of MOSFET with Current-Mirror Load formula is defined as the voltage that must be applied to the input to cause the output to be 0. Input Offset Voltage is denoted by V_os symbol.

How to calculate Offset Voltage of MOSFET with Current-Mirror Load using this online calculator? To use this online calculator for Offset Voltage of MOSFET with Current-Mirror Load, enter Threshold Voltage (V_t) & Forced Common-Emitter Current Gain (β_forced) and hit the calculate button. Here is how the Offset Voltage of MOSFET with Current-Mirror Load calculation can be explained with given input values -> -3.545455 = -(2*19.5)/11.

FAQ

What is Offset Voltage of MOSFET with Current-Mirror Load?

The Offset voltage of MOSFET with Current-Mirror Load formula is defined as the voltage that must be applied to the input to cause the output to be 0 and is represented as V_os = -(2*V_t)/β_forced or Input Offset Voltage = -(2*Threshold Voltage)/Forced Common-Emitter Current Gain. 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 & Forced common-emitter current gain is the ratio of collector current and base current at saturation mode.

How to calculate Offset Voltage of MOSFET with Current-Mirror Load?

The Offset voltage of MOSFET with Current-Mirror Load formula is defined as the voltage that must be applied to the input to cause the output to be 0 is calculated using Input Offset Voltage = -(2*Threshold Voltage)/Forced Common-Emitter Current Gain. To calculate Offset Voltage of MOSFET with Current-Mirror Load, you need Threshold Voltage (V_t) & Forced Common-Emitter Current Gain (β_forced). With our tool, you need to enter the respective value for Threshold Voltage & Forced Common-Emitter Current Gain and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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