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Drain Source Voltage of FET Formula

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Drain Source Voltage FET is the voltage between the drain and the source terminal of an FET. Check FAQs

V ds(fet) = V dd(fet) - I d(fet) \cdot (R d(fet) + R s(fet))

V_ds(fet) - Drain Source Voltage FET?V_dd(fet) - Supply Voltage at Drain FET?I_d(fet) - Drain Current FET?R_d(fet) - Drain Resistance FET?R_s(fet) - Source Resistance FET?

Drain Source Voltage of FET Example

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Here is how the Drain Source Voltage of FET equation looks like with Values.

Here is how the Drain Source Voltage of FET equation looks like with Units.

Here is how the Drain Source Voltage of FET equation looks like.

4.8407 = 5 - 0.3 \cdot (0.32 + 0.211)

4.8407V = 5V - 0.3mA \cdot (0.32kΩ + 0.211kΩ)

4.8407 = 5 - 0.3 \cdot (0.32 + 0.211)

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Drain Source Voltage of FET Solution

Follow our step by step solution on how to calculate Drain Source Voltage of FET?

FIRST Step Consider the formula

V ds(fet) = V dd(fet) - I d(fet) \cdot (R d(fet) + R s(fet))

Next Step Substitute values of Variables

∴

V ds(fet) = 5V - 0.3mA \cdot (0.32kΩ + 0.211kΩ)

Next Step Convert Units

∴

V ds(fet) = 5V - 0.0003A \cdot (320Ω + 211Ω)

Next Step Prepare to Evaluate

∴

V ds(fet) = 5 - 0.0003 \cdot (320 + 211)

LAST Step Evaluate

∴

V ds(fet) = 4.8407V

Drain Source Voltage of FET Formula Elements

Variables

Drain Source Voltage FET

Drain Source Voltage FET is the voltage between the drain and the source terminal of an FET.

Symbol: V_ds(fet)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Drain Source Voltage FET

Supply Voltage at Drain FET

Supply Voltage at Drain FET controls the maximum drain current that the JFET can conduct. The higher the supply voltage, the higher the maximum drain current.

Symbol: V_dd(fet)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Supply Voltage at Drain FET

Drain Current FET

Drain Current FET is the current that flow through the drain junction of FET.

Symbol: I_d(fet)

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Drain Current FET

Drain Resistance FET

Drain Resistance FET is the resistance offered by drain terminal to the drain current in a FET.

Symbol: R_d(fet)

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Drain Resistance FET

Source Resistance FET

Source Resistance FET is resistance offered to the current at the source terminal of an FET.

Symbol: R_s(fet)

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Source Resistance FET

Other formulas in FET category

Go Pinch off Voltage of FET

V off(fet) = V ds-off(fet) - V ds(fet)

Go Drain Current of FET

I d(fet) = I dss(fet) \cdot {(1 - \frac{V ds(fet)}{V cut-off(fet)})}^{2}

Go Transconductance of FET

G m(fet) = \frac{2 \cdot I dss(fet)}{V off(fet)} \cdot (1 - \frac{V ds(fet)}{V off(fet)})

Go Voltage Gain of FET

A v(fet) = - G m(fet) \cdot R d(fet)

How to Evaluate Drain Source Voltage of FET?

Drain Source Voltage of FET evaluator uses Drain Source Voltage FET = Supply Voltage at Drain FET-Drain Current FET*(Drain Resistance FET+Source Resistance FET) to evaluate the Drain Source Voltage FET, Drain Source Voltage of FET, the higher the drain-source voltage, the more current will flow through the FET. However, there is a limit to how much current the FET can conduct, which is determined by the pinch-off voltage. The pinch-off voltage is the voltage at which the depletion regions of the gate-junctions meet and pinch off the channel, preventing further current flow. Once the pinch-off voltage is reached, the drain current in a FET becomes relatively constant, even as the drain-to-source voltage is increased. Drain Source Voltage FET is denoted by V_ds(fet) symbol.

How to evaluate Drain Source Voltage of FET using this online evaluator? To use this online evaluator for Drain Source Voltage of FET, enter Supply Voltage at Drain FET (V_dd(fet)), Drain Current FET (I_d(fet)), Drain Resistance FET (R_d(fet)) & Source Resistance FET (R_s(fet)) and hit the calculate button.

FAQs on Drain Source Voltage of FET

What is the formula to find Drain Source Voltage of FET?

The formula of Drain Source Voltage of FET is expressed as Drain Source Voltage FET = Supply Voltage at Drain FET-Drain Current FET*(Drain Resistance FET+Source Resistance FET). Here is an example- 4.8407 = 5-0.0003*(320+211).

How to calculate Drain Source Voltage of FET?

With Supply Voltage at Drain FET (V_dd(fet)), Drain Current FET (I_d(fet)), Drain Resistance FET (R_d(fet)) & Source Resistance FET (R_s(fet)) we can find Drain Source Voltage of FET using the formula - Drain Source Voltage FET = Supply Voltage at Drain FET-Drain Current FET*(Drain Resistance FET+Source Resistance FET).

Can the Drain Source Voltage of FET be negative?

Yes, the Drain Source Voltage of FET, measured in Electric Potential can be negative.

Which unit is used to measure Drain Source Voltage of FET?

Drain Source Voltage of FET is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Drain Source Voltage of FET can be measured.

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Drain Source Voltage of FET Formula

Drain Source Voltage of FET Example

Drain Source Voltage of FET Solution

Drain Source Voltage of FET Formula Elements

Other formulas in FET category

How to Evaluate Drain Source Voltage of FET?

FAQs on Drain Source Voltage of FET

Variable Name