Second Emitter Current of BJT Differential Amplifier Calculator

✖Current is the rate of flow of charge through a conducting material.ⓘ Current [i]			+10% -10%
✖Differential Input Voltage is defined as signal input circuit where SIGNAL LO and SIGNAL HI are electrically floating with respect to ANALOG GROUND.ⓘ Differential Input Voltage [V_id]			+10% -10%
✖Threshold Voltage is defined as the minimum amount of voltage required by the transistor to turn on.ⓘ Threshold Voltage [V_th]			+10% -10%

✖Second Emitter Current is the current in emitter of first of two transistors in a large signal operation configuration.ⓘ Second Emitter Current of BJT Differential Amplifier [i_E2]

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Second Emitter Current of BJT Differential Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Second Emitter Current = Current/(1+e^((Differential Input Voltage)/Threshold Voltage))
i_E2 = i/(1+e^((V_id)/V_th))
This formula uses 1 Constants, 4 Variables

Constants Used

e - Napier's constant Value Taken As 2.71828182845904523536028747135266249

Variables Used

Second Emitter Current - (Measured in Ampere) - Second Emitter Current is the current in emitter of first of two transistors in a large signal operation configuration.
Current - (Measured in Ampere) - Current is the rate of flow of charge through a conducting material.
Differential Input Voltage - (Measured in Volt) - Differential Input Voltage is defined as signal input circuit where SIGNAL LO and SIGNAL HI are electrically floating with respect to ANALOG GROUND.
Threshold Voltage - (Measured in Volt) - Threshold Voltage is defined as the minimum amount of voltage required by the transistor to turn on.

STEP 1: Convert Input(s) to Base Unit

Current: 550 Milliampere --> 0.55 Ampere (Check conversion here)
Differential Input Voltage: 7.5 Volt --> 7.5 Volt No Conversion Required
Threshold Voltage: 0.7 Volt --> 0.7 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

i_E2 = i/(1+e^((V_id)/V_th)) --> 0.55/(1+e^((7.5)/0.7))

Evaluating ... ...

i_E2 = 1.22235646571897E-05

STEP 3: Convert Result to Output's Unit

1.22235646571897E-05 Ampere -->0.0122235646571897 Milliampere (Check conversion here)

FINAL ANSWER

0.0122235646571897 ≈ 0.012224 Milliampere <-- Second Emitter Current

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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< Current and Voltage Calculators

First Collector Current of BJT Differential Amplifier

LaTeX Go First Collector Current = (Common Base Current Gain*Current)/(1+e^((-Differential Input Voltage)/Threshold Voltage))

Maximum Input Common-Mode Range Voltage of BJT Differential Amplifier

LaTeX Go Maximum Common Mode Range = Input Voltage+(Common Base Current Gain*0.5*Current*Collector Resistance)

First Emitter Current of BJT Differential Amplifier

LaTeX Go First Emitter Current = Current/(1+e^((-Differential Input Voltage)/Threshold Voltage))

Collector Current of BJT Differential Amplifier given Emitter Current

LaTeX Go Collector Current = Common Base Current Gain*Emitter Current

Second Emitter Current of BJT Differential Amplifier Formula

LaTeX Go

Second Emitter Current = Current/(1+e^((Differential Input Voltage)/Threshold Voltage))
i_E2 = i/(1+e^((V_id)/V_th))

What is a BJT differential amplifier with current source?

The BJT differential amplifier with constant current bias is an amplifier that uses two BJTs to amplify the difference between two input signals. The constant current bias provides a stable bias current to the BJTs, which helps improve the linearity and stability of the amplifier.

How to Calculate Second Emitter Current of BJT Differential Amplifier?

Second Emitter Current of BJT Differential Amplifier calculator uses Second Emitter Current = Current/(1+e^((Differential Input Voltage)/Threshold Voltage)) to calculate the Second Emitter Current, The Second emitter current of BJT differential amplifier formula is the combination of the collector AND the base current combined, the load resistance in this type of transistor configuration also has both the collector current and the input current of the base flowing through it. Second Emitter Current is denoted by i_E2 symbol.

How to calculate Second Emitter Current of BJT Differential Amplifier using this online calculator? To use this online calculator for Second Emitter Current of BJT Differential Amplifier, enter Current (i), Differential Input Voltage (V_id) & Threshold Voltage (V_th) and hit the calculate button. Here is how the Second Emitter Current of BJT Differential Amplifier calculation can be explained with given input values -> 12.22356 = 550/(1+e^((7.5)/0.7)).

FAQ

What is Second Emitter Current of BJT Differential Amplifier?

The Second emitter current of BJT differential amplifier formula is the combination of the collector AND the base current combined, the load resistance in this type of transistor configuration also has both the collector current and the input current of the base flowing through it and is represented as i_E2 = i/(1+e^((V_id)/V_th)) or Second Emitter Current = Current/(1+e^((Differential Input Voltage)/Threshold Voltage)). Current is the rate of flow of charge through a conducting material, Differential Input Voltage is defined as signal input circuit where SIGNAL LO and SIGNAL HI are electrically floating with respect to ANALOG GROUND & Threshold Voltage is defined as the minimum amount of voltage required by the transistor to turn on.

How to calculate Second Emitter Current of BJT Differential Amplifier?

The Second emitter current of BJT differential amplifier formula is the combination of the collector AND the base current combined, the load resistance in this type of transistor configuration also has both the collector current and the input current of the base flowing through it is calculated using Second Emitter Current = Current/(1+e^((Differential Input Voltage)/Threshold Voltage)). To calculate Second Emitter Current of BJT Differential Amplifier, you need Current (i), Differential Input Voltage (V_id) & Threshold Voltage (V_th). With our tool, you need to enter the respective value for Current, Differential Input Voltage & Threshold Voltage 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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