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## Credits

Birsa Institute of Technology (BIT), Sindri
Payal Priya has created this Calculator and 500+ more calculators!
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## Overall voltage gain of the source follower Solution

STEP 0: Pre-Calculation Summary
Formula Used
overall_voltage_gain = Load resistance/(Load resistance+1/MOSFET Transconductance)
Gv = Rl/(Rl+1/gm)
This formula uses 2 Variables
Variables Used
Load resistance - Load resistance is the resistance value of load given for the network (Measured in Kilohm)
MOSFET Transconductance - MOSFET Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage. (Measured in Microsiemens)
STEP 1: Convert Input(s) to Base Unit
Load resistance: 1 Kilohm --> 1000 Ohm (Check conversion here)
MOSFET Transconductance: 0.25 Microsiemens --> 2.5E-07 Siemens (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Gv = Rl/(Rl+1/gm) --> 1000/(1000+1/2.5E-07)
Evaluating ... ...
Gv = 0.000249937515621095
STEP 3: Convert Result to Output's Unit
0.000249937515621095 --> No Conversion Required
FINAL ANSWER
0.000249937515621095 <-- Overall voltage gain
(Calculation completed in 00.007 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

### Overall voltage gain of the source follower Formula

overall_voltage_gain = Load resistance/(Load resistance+1/MOSFET Transconductance)
Gv = Rl/(Rl+1/gm)

## What is common drain amplifier or source-follower?

A common-drain amplifier is one in which the input signal is applied to the gate and the output is taken from the source, making the drain common to both. Because it is common, there is no need for a drain resistor. A common-drain amplifier is shown below. A common-drain amplifier is also called a source-follower.

## How to Calculate Overall voltage gain of the source follower?

Overall voltage gain of the source follower calculator uses overall_voltage_gain = Load resistance/(Load resistance+1/MOSFET Transconductance) to calculate the Overall voltage gain, The overall voltage gain of the source follower formula is defined as the amount of voltage that an electronic device needs in order to power on and function. Overall voltage gain and is denoted by Gv symbol.

How to calculate Overall voltage gain of the source follower using this online calculator? To use this online calculator for Overall voltage gain of the source follower, enter Load resistance (Rl) and MOSFET Transconductance (gm) and hit the calculate button. Here is how the Overall voltage gain of the source follower calculation can be explained with given input values -> 0.00025 = 1000/(1000+1/2.5E-07).

### FAQ

What is Overall voltage gain of the source follower?
The overall voltage gain of the source follower formula is defined as the amount of voltage that an electronic device needs in order to power on and function and is represented as Gv = Rl/(Rl+1/gm) or overall_voltage_gain = Load resistance/(Load resistance+1/MOSFET Transconductance). Load resistance is the resistance value of load given for the network and MOSFET Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage.
How to calculate Overall voltage gain of the source follower?
The overall voltage gain of the source follower formula is defined as the amount of voltage that an electronic device needs in order to power on and function is calculated using overall_voltage_gain = Load resistance/(Load resistance+1/MOSFET Transconductance). To calculate Overall voltage gain of the source follower, you need Load resistance (Rl) and MOSFET Transconductance (gm). With our tool, you need to enter the respective value for Load resistance and MOSFET Transconductance 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 Overall voltage gain?
In this formula, Overall voltage gain uses Load resistance and MOSFET Transconductance. 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 Overall voltage gain of the source follower calculator used?
Among many, Overall voltage gain of the source follower calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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