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Voltage gain of the buffer amplifier Solution

STEP 0: Pre-Calculation Summary
Formula Used
voltage_gain_amplifier = Load resistance/(Load resistance+Emitter Resistance)
Av = Rl/(Rl+re)
This formula uses 2 Variables
Variables Used
Load resistance - Load resistance is the resistance value of load given for the network (Measured in Kilohm)
Emitter Resistance - Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor. (Measured in Ohm)
STEP 1: Convert Input(s) to Base Unit
Load resistance: 1 Kilohm --> 1000 Ohm (Check conversion here)
Emitter Resistance: 50 Ohm --> 50 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Av = Rl/(Rl+re) --> 1000/(1000+50)
Evaluating ... ...
Av = 0.952380952380952
STEP 3: Convert Result to Output's Unit
0.952380952380952 --> No Conversion Required
FINAL ANSWER
0.952380952380952 <-- Voltage Gain of an amplifier
(Calculation completed in 00.015 seconds)

10+ Common-Gate (CG) and the Common-Base (CB) Amplifiers Calculators

Overall voltage gain of the amplifier when load resistance is connected to the output
overall_voltage_gain = Common-base current gain.*(1/Total resistance in the emitter+1/Load resistance)/(Signal Resistance+Emitter Resistance) Go
Overall voltage gain of the amplifier
overall_voltage_gain = (1/Load resistance of MOSFET+1/Load resistance)/(Signal Resistance+1/MOSFET transconductance parameter) Go
Overall voltage gain of the source follower
overall_voltage_gain = Load resistance/(Load resistance+1/MOSFET Transconductance) Go
Output voltage in terms of the transconductance
output_voltage = -(MOSFET Transconductance*Load Resistance*Finite input voltage) Go
Voltage gain of the buffer amplifier
voltage_gain_amplifier = Load resistance/(Load resistance+Emitter Resistance) Go
Voltage gain of the common-drain amplifier
voltage_gain = Input resistance/(Load resistance+1/MOSFET Transconductance) Go
Voltage gain of the CS amplifier
voltage_gain_amplifier = MOSFET Transconductance*Load resistance of MOSFET Go
Input resistance of the common-collector amplifier
resistance_input = Input voltage/Signal current in the base Go
Output resistance of the common-drain amplifier
resistance_output = 1/MOSFET Transconductance Go
Input resistance of the MOSFETs transconductance
resistance_input = 1/MOSFET Transconductance Go

Voltage gain of the buffer amplifier Formula

voltage_gain_amplifier = Load resistance/(Load resistance+Emitter Resistance)
Av = Rl/(Rl+re)

Why common collector amplifier is called buffer?

The common base configuration has nearly unity current gain. Hence it is not a current amplifier (as it does not provide a current gain in excess of one). Because of this unity current gain, it is termed as a buffer.

How to Calculate Voltage gain of the buffer amplifier?

Voltage gain of the buffer amplifier calculator uses voltage_gain_amplifier = Load resistance/(Load resistance+Emitter Resistance) to calculate the Voltage Gain of an amplifier, The voltage gain of the buffer amplifier formula is defined as the amount of voltage that an electronic device needs in order to power on and function. Voltage Gain of an amplifier and is denoted by Av symbol.

How to calculate Voltage gain of the buffer amplifier using this online calculator? To use this online calculator for Voltage gain of the buffer amplifier, enter Load resistance (Rl) and Emitter Resistance (re) and hit the calculate button. Here is how the Voltage gain of the buffer amplifier calculation can be explained with given input values -> 0.952381 = 1000/(1000+50).

FAQ

What is Voltage gain of the buffer amplifier?
The voltage gain of the buffer amplifier formula is defined as the amount of voltage that an electronic device needs in order to power on and function and is represented as Av = Rl/(Rl+re) or voltage_gain_amplifier = Load resistance/(Load resistance+Emitter Resistance). Load resistance is the resistance value of load given for the network and Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.
How to calculate Voltage gain of the buffer amplifier?
The voltage gain of the buffer amplifier formula is defined as the amount of voltage that an electronic device needs in order to power on and function is calculated using voltage_gain_amplifier = Load resistance/(Load resistance+Emitter Resistance). To calculate Voltage gain of the buffer amplifier, you need Load resistance (Rl) and Emitter Resistance (re). With our tool, you need to enter the respective value for Load resistance and Emitter Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Voltage Gain of an amplifier?
In this formula, Voltage Gain of an amplifier uses Load resistance and Emitter Resistance. We can use 10 other way(s) to calculate the same, which is/are as follows -
  • resistance_input = 1/MOSFET Transconductance
  • voltage_gain_amplifier = MOSFET Transconductance*Load resistance of MOSFET
  • overall_voltage_gain = (1/Load resistance of MOSFET+1/Load resistance)/(Signal Resistance+1/MOSFET transconductance parameter)
  • overall_voltage_gain = Common-base current gain.*(1/Total resistance in the emitter+1/Load resistance)/(Signal Resistance+Emitter Resistance)
  • output_voltage = -(MOSFET Transconductance*Load Resistance*Finite input voltage)
  • voltage_gain = Input resistance/(Load resistance+1/MOSFET Transconductance)
  • resistance_output = 1/MOSFET Transconductance
  • overall_voltage_gain = Load resistance/(Load resistance+1/MOSFET Transconductance)
  • resistance_input = Input voltage/Signal current in the base
  • voltage_gain_amplifier = Load resistance/(Load resistance+Emitter Resistance)
Where is the Voltage gain of the buffer amplifier calculator used?
Among many, Voltage gain of the buffer amplifier calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
{FormulaExamplesList}
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