Resistance of Emitter in Common-Base Amplifier Solution

STEP 0: Pre-Calculation Summary
Formula Used
Emitter Resistance = Input Voltage/Emitter Current
Re = Vin/ie
This formula uses 3 Variables
Variables Used
Emitter Resistance - (Measured in Ohm) - Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.
Input Voltage - (Measured in Volt) - Input voltage is the voltage supplied to the device.
Emitter Current - (Measured in Ampere) - Emitter current is the amplified output current of a bipolar junction transistor.
STEP 1: Convert Input(s) to Base Unit
Input Voltage: 2.5 Volt --> 2.5 Volt No Conversion Required
Emitter Current: 37.31 Milliampere --> 0.03731 Ampere (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Re = Vin/ie --> 2.5/0.03731
Evaluating ... ...
Re = 67.0061645671402
STEP 3: Convert Result to Output's Unit
67.0061645671402 Ohm -->0.0670061645671402 Kilohm (Check conversion here)
FINAL ANSWER
0.0670061645671402 0.067006 Kilohm <-- Emitter Resistance
(Calculation completed in 00.020 seconds)

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8 Common-Base Amplifier Calculators

Input Resistance of Common-Base Circuit
Go Input Resistance = (Emitter Resistance*(Finite Output Resistance+Load Resistance))/(Finite Output Resistance+(Load Resistance/(Collector Base Current Gain+1)))
Total Current Gain with respect to Voltage Gain
Go Common Base Current Gain = Overall Voltage Gain/(Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance)))
Negative Voltage Gain from Base to Collector
Go Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance)
Common Base Current Gain
Go Common Base Current Gain = (Voltage Gain*Emitter Resistance/Collector Resistance)
Input Impedance of Common-Base Amplifier
Go Input Impedance = (1/Emitter Resistance+1/Small Signal Input Resistance)^(-1)
Resistance of Emitter in Common-Base Amplifier
Go Emitter Resistance = Input Voltage/Emitter Current
Emitter Current of Common-Base Amplifier
Go Emitter Current = Input Voltage/Emitter Resistance
Voltage Gain of Common-Base Amplifier
Go Voltage Gain = Collector Voltage/Emitter Voltage

18 CV Actions of Common Stage Amplifiers Calculators

Output Voltage of Controlled Source Transistor
Go DC Component of Gate to Source Voltage = (Voltage Gain*Electric Current-Short Circuit Transconductance*Differential Output Signal)*(1/Final Resistance+1/Resistance of Primary Winding in Secondary)
Input Resistance of Common-Base Circuit
Go Input Resistance = (Emitter Resistance*(Finite Output Resistance+Load Resistance))/(Finite Output Resistance+(Load Resistance/(Collector Base Current Gain+1)))
Output Resistance at Another Drain of Controlled Source Transistor
Go Drain Resistance = Resistance of Secondary Winding in Primary+2*Finite Resistance+2*Finite Resistance*MOSFET Primary Transconductance*Resistance of Secondary Winding in Primary
Output Resistance of Emitter-Degenerated CE Amplifier
Go Drain Resistance = Finite Output Resistance+(MOSFET Primary Transconductance*Finite Output Resistance)*(1/Emitter Resistance+1/Small Signal Input Resistance)
Input Resistance of Common Emitter Amplifier given Small-Signal Input Resistance
Go Input Resistance = (1/Base Resistance+1/Base Resistance 2+1/(Small Signal Input Resistance+(Collector Base Current Gain+1)*Emitter Resistance))^-1
Output Resistance of CS Amplifier with Source Resistance
Go Drain Resistance = Finite Output Resistance+Source Resistance+(MOSFET Primary Transconductance*Finite Output Resistance*Source Resistance)
Input Resistance of Common-Emitter Amplifier given Emitter Resistance
Go Input Resistance = (1/Base Resistance+1/Base Resistance 2+1/((Total Resistance+Emitter Resistance)*(Collector Base Current Gain+1)))^-1
Instantaneous Drain Current using Voltage between Drain and Source
Go Drain Current = Transconductance Parameter*(Voltage across Oxide-Threshold Voltage)*Voltage between Gate and Source
Transconductance in Common Source Amplifier
Go MOSFET Primary Transconductance = Unity Gain Frequency*(Gate to Source Capacitance+Capacitance Gate to Drain)
Input Resistance of Common Emitter Amplifier
Go Input Resistance = (1/Base Resistance+1/Base Resistance 2+1/Small Signal Input Resistance)^-1
Input Impedance of Common-Base Amplifier
Go Input Impedance = (1/Emitter Resistance+1/Small Signal Input Resistance)^(-1)
Signal Current in Emitter given Input Signal
Go Signal Current in Emitter = Fundamental Component Voltage/Emitter Resistance
Transconductance using Collector Current of Transistor Amplifier
Go MOSFET Primary Transconductance = Collector Current/Threshold Voltage
Fundamental Voltage in Common-Emitter Amplifier
Go Fundamental Component Voltage = Input Resistance*Base Current
Input Resistance of Common-Collector Amplifier
Go Input Resistance = Fundamental Component Voltage/Base Current
Resistance of Emitter in Common-Base Amplifier
Go Emitter Resistance = Input Voltage/Emitter Current
Emitter Current of Common-Base Amplifier
Go Emitter Current = Input Voltage/Emitter Resistance
Load Voltage of CS Amplifier
Go Load Voltage = Voltage Gain*Input Voltage

Resistance of Emitter in Common-Base Amplifier Formula

Emitter Resistance = Input Voltage/Emitter Current
Re = Vin/ie

What is the advantage of a common base amplifier?

The common base circuit works best as a current buffer. It can take an input current at a low input impedance, and deliver nearly that same current to a higher impedance output.

How to Calculate Resistance of Emitter in Common-Base Amplifier?

Resistance of Emitter in Common-Base Amplifier calculator uses Emitter Resistance = Input Voltage/Emitter Current to calculate the Emitter Resistance, Resistance of Emitter in Common-Base Amplifier refers to the opposition to the flow of current in an electronic circuit. It is measured in ohms and can affect the performance of a circuit, particularly in terms of power output and efficiency. Emitter Resistance is denoted by Re symbol.

How to calculate Resistance of Emitter in Common-Base Amplifier using this online calculator? To use this online calculator for Resistance of Emitter in Common-Base Amplifier, enter Input Voltage (Vin) & Emitter Current (ie) and hit the calculate button. Here is how the Resistance of Emitter in Common-Base Amplifier calculation can be explained with given input values -> 6.7E-5 = 2.5/0.03731.

FAQ

What is Resistance of Emitter in Common-Base Amplifier?
Resistance of Emitter in Common-Base Amplifier refers to the opposition to the flow of current in an electronic circuit. It is measured in ohms and can affect the performance of a circuit, particularly in terms of power output and efficiency and is represented as Re = Vin/ie or Emitter Resistance = Input Voltage/Emitter Current. Input voltage is the voltage supplied to the device & Emitter current is the amplified output current of a bipolar junction transistor.
How to calculate Resistance of Emitter in Common-Base Amplifier?
Resistance of Emitter in Common-Base Amplifier refers to the opposition to the flow of current in an electronic circuit. It is measured in ohms and can affect the performance of a circuit, particularly in terms of power output and efficiency is calculated using Emitter Resistance = Input Voltage/Emitter Current. To calculate Resistance of Emitter in Common-Base Amplifier, you need Input Voltage (Vin) & Emitter Current (ie). With our tool, you need to enter the respective value for Input Voltage & 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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