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Saturation Current of Emitter Follower Formula

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Saturation current is the diode leakage current density in the absence of light. It is an important parameter which differentiates one diode from another. Check FAQs

i s = \frac{i c}{e^{\frac{V be}{V t}}}

i_s - Saturation Current?i_c - Collector Current?V_be - Voltage across Base Emitter Junction?V_t - Threshold Voltage?

Saturation Current of Emitter Follower Example

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With units

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Here is how the Saturation Current of Emitter Follower equation looks like with Values.

Here is how the Saturation Current of Emitter Follower equation looks like with Units.

Here is how the Saturation Current of Emitter Follower equation looks like.

0.01 = \frac{39.52}{e^{\frac{16.56}{2}}}

0.01mA = \frac{39.52mA}{e^{\frac{16.56V}{2V}}}

0.01 = \frac{39.52}{e^{\frac{16.56}{2}}}

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Saturation Current of Emitter Follower Solution

Follow our step by step solution on how to calculate Saturation Current of Emitter Follower?

FIRST Step Consider the formula

i s = \frac{i c}{e^{\frac{V be}{V t}}}

Next Step Substitute values of Variables

∴

i s = \frac{39.52mA}{e^{\frac{16.56V}{2V}}}

Next Step Convert Units

∴

i s = \frac{0.0395A}{e^{\frac{16.56V}{2V}}}

Next Step Prepare to Evaluate

∴

i s = \frac{0.0395}{e^{\frac{16.56}{2}}}

Next Step Evaluate

∴

i s = 1.00197901453726E-05A

Next Step Convert to Output's Unit

∴

i s = 0.0100197901453726mA

LAST Step Rounding Answer

∴

i s = 0.01mA

Saturation Current of Emitter Follower Formula Elements

Variables

Saturation Current

Saturation current is the diode leakage current density in the absence of light. It is an important parameter which differentiates one diode from another.

Symbol: i_s

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Saturation Current

Collector Current

Collector current is an amplified output current of a bipolar junction transistor.

Symbol: i_c

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Collector Current

Voltage across Base Emitter Junction

The Voltage across Base Emitter Junction is the forward voltage between the base and emitter of the transistor.

Symbol: V_be

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Voltage across Base Emitter Junction

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

Other formulas in Emitter Follower category

Go Drain Resistance of Cascode Amplifier

R d = (\frac{A vo}{{g mp}^{2} \cdot R out})

Go Equivalent Resistance of Cascode Amplifier

R dg = {(\frac{1}{R out1} + \frac{1}{R in})}^{- 1}

Go Open Circuit Bipolar Cascode Voltage Gain

A fo = - g mp \cdot (g ms \cdot R out) \cdot {(\frac{1}{R out1} + \frac{1}{R sm})}^{- 1}

Go Output voltage gain of MOS Cascode Amplifier

A vo = - {g mp}^{2} \cdot R out \cdot R d

How to Evaluate Saturation Current of Emitter Follower?

Saturation Current of Emitter Follower evaluator uses Saturation Current = Collector Current/e^(Voltage across Base Emitter Junction/Threshold Voltage) to evaluate the Saturation Current, Saturation Current of Emitter Follower is the maximum current that the circuit can handle without significant distortion. It is defined as the current that results in a voltage drop across the emitters of approximately 1 volt. Saturation Current is denoted by i_s symbol.

How to evaluate Saturation Current of Emitter Follower using this online evaluator? To use this online evaluator for Saturation Current of Emitter Follower, enter Collector Current (i_c), Voltage across Base Emitter Junction (V_be) & Threshold Voltage (V_t) and hit the calculate button.

FAQs on Saturation Current of Emitter Follower

What is the formula to find Saturation Current of Emitter Follower?

The formula of Saturation Current of Emitter Follower is expressed as Saturation Current = Collector Current/e^(Voltage across Base Emitter Junction/Threshold Voltage). Here is an example- 10.01979 = 0.03952/e^(16.56/2).

How to calculate Saturation Current of Emitter Follower?

With Collector Current (i_c), Voltage across Base Emitter Junction (V_be) & Threshold Voltage (V_t) we can find Saturation Current of Emitter Follower using the formula - Saturation Current = Collector Current/e^(Voltage across Base Emitter Junction/Threshold Voltage).

Can the Saturation Current of Emitter Follower be negative?

No, the Saturation Current of Emitter Follower, measured in Electric Current cannot be negative.

Which unit is used to measure Saturation Current of Emitter Follower?

Saturation Current of Emitter Follower is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Saturation Current of Emitter Follower can be measured.

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Saturation Current of Emitter Follower Formula

Saturation Current of Emitter Follower Example

Saturation Current of Emitter Follower Solution

Saturation Current of Emitter Follower Formula Elements

Other formulas in Emitter Follower category

How to Evaluate Saturation Current of Emitter Follower?

FAQs on Saturation Current of Emitter Follower

Variable Name