Dynamic Emitter Resistance Solution

STEP 0: Pre-Calculation Summary
Formula Used
Dynamic Emitter Resistance = 0.026/Emitter Current
Re = 0.026/Ie
This formula uses 2 Variables
Variables Used
Dynamic Emitter Resistance - (Measured in Ohm) - Dynamic Emitter Resistance represents the small-signal change in voltage across the emitter due to a small change in emitter current.
Emitter Current - (Measured in Ampere) - Emitter current is defined as the current flowing through the emitter terminal of a bipolar junction transistor.
STEP 1: Convert Input(s) to Base Unit
Emitter Current: 2.75 Milliampere --> 0.00275 Ampere (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Re = 0.026/Ie --> 0.026/0.00275
Evaluating ... ...
Re = 9.45454545454546
STEP 3: Convert Result to Output's Unit
9.45454545454546 Ohm --> No Conversion Required
FINAL ANSWER
9.45454545454546 9.454545 Ohm <-- Dynamic Emitter Resistance
(Calculation completed in 00.004 seconds)

Credits

Created by Pranav Simha R
BMS College of Engineering (BMSCE), Bangalore,India
Pranav Simha R has created this Calculator and 10+ more calculators!
Verified by Rachita C
BMS College Of Engineering (BMSCE), Banglore
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13 Transistor Operating Parameters Calculators

Drain Current
Go Drain Current = Mobility of Electron*Gate Oxide Capacitance*(Gate Junction Width/Gate Length)*(Gate Source Voltage- Threshold Voltage)*Drain Source Saturation Voltage
Emitter Efficiency
Go Emitter Efficiency = Electron Diffusion Current/(Electron Diffusion Current+Hole Diffusion Current)
Base Current using Current Amplification Factor
Go Base Current = Emitter Current*(1-Current Amplification Factor)-Collector Base Leakage Current
Collector-Emitter Voltage
Go Collector Emitter Voltage = Common Collector Voltage-Collector Current*Collector Resistance
Collector to Emitter Leakage Current
Go Collector Emitter Leakage Current = (Base Transport Factor+1)*Collector Base Leakage Current
Current Amplification Factor using Base Transport Factor
Go Current Amplification Factor = Base Transport Factor/(Base Transport Factor+1)
Collector Current using Current Amplification Factor
Go Collector Current = Current Amplification Factor*Emitter Current
Current Amplification Factor
Go Current Amplification Factor = Collector Current/Emitter Current
Collector Current using Base Transport Factor
Go Collector Current = Base Transport Factor*Base Current
Base Transport Factor
Go Base Transport Factor = Collector Current/Base Current
Emitter Current
Go Emitter Current = Base Current+Collector Current
Common Collector Current Gain
Go Common Collector Current Gain = Base Transport Factor+1
Dynamic Emitter Resistance
Go Dynamic Emitter Resistance = 0.026/Emitter Current

Dynamic Emitter Resistance Formula

Dynamic Emitter Resistance = 0.026/Emitter Current
Re = 0.026/Ie

Is AC resistance the same as DC resistance?

The AC resistance is more than the DC resistance because the alternating current flowing through the conductor does not distribute uniformly and concentrates near the surface of the conductor and thus the effective cross-section area decrease and the resistance increase.

How to Calculate Dynamic Emitter Resistance?

Dynamic Emitter Resistance calculator uses Dynamic Emitter Resistance = 0.026/Emitter Current to calculate the Dynamic Emitter Resistance, Dynamic Emitter Resistance represents the small-signal change in voltage across the emitter due to a small change in emitter current. Dynamic Emitter Resistance is denoted by Re symbol.

How to calculate Dynamic Emitter Resistance using this online calculator? To use this online calculator for Dynamic Emitter Resistance, enter Emitter Current (Ie) and hit the calculate button. Here is how the Dynamic Emitter Resistance calculation can be explained with given input values -> 9.454545 = 0.026/0.00275.

FAQ

What is Dynamic Emitter Resistance?
Dynamic Emitter Resistance represents the small-signal change in voltage across the emitter due to a small change in emitter current and is represented as Re = 0.026/Ie or Dynamic Emitter Resistance = 0.026/Emitter Current. Emitter current is defined as the current flowing through the emitter terminal of a bipolar junction transistor.
How to calculate Dynamic Emitter Resistance?
Dynamic Emitter Resistance represents the small-signal change in voltage across the emitter due to a small change in emitter current is calculated using Dynamic Emitter Resistance = 0.026/Emitter Current. To calculate Dynamic Emitter Resistance, you need Emitter Current (Ie). With our tool, you need to enter the respective value for Emitter Current 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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