🔍
🔍

## Credits

Birsa Institute of Technology (BIT), Sindri
Payal Priya has created this Calculator and 500+ more calculators!
Vishwakarma Government Engineering College (VGEC), Ahmedabad
Urvi Rathod has verified this Calculator and 1000+ more calculators!

## Open-circuit voltage gain of the CS amplifier Solution

STEP 0: Pre-Calculation Summary
Formula Used
open_circuit_voltage_gain = Output resistance/(Input resistance+1/MOSFET Transconductance)
Avo = Ro/(Ri+1/gm)
This formula uses 3 Variables
Variables Used
Output resistance - Output resistance is the value of resistance of the network (Measured in Ohm)
Input resistance - Input resistance is the resistance value of the voltage amplifier (Measured in Ohm)
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
Output resistance: 200 Ohm --> 200 Ohm No Conversion Required
Input resistance: 100000 Ohm --> 100000 Ohm No Conversion Required
MOSFET Transconductance: 0.25 Microsiemens --> 2.5E-07 Siemens (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Avo = Ro/(Ri+1/gm) --> 200/(100000+1/2.5E-07)
Evaluating ... ...
Avo = 4.87804878048781E-05
STEP 3: Convert Result to Output's Unit
4.87804878048781E-05 --> No Conversion Required
FINAL ANSWER
4.87804878048781E-05 <-- Open circuit voltage gain
(Calculation completed in 00.016 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

### Open-circuit voltage gain of the CS amplifier Formula

open_circuit_voltage_gain = Output resistance/(Input resistance+1/MOSFET Transconductance)
Avo = Ro/(Ri+1/gm)

## What is a Common Source Amplifier?

When the input signal is applied at the gate terminal and source terminal, then the output voltage is amplified and obtained across the resistor at the load in the drain terminal. This is called a common source amplifier.

## How to Calculate Open-circuit voltage gain of the CS amplifier?

Open-circuit voltage gain of the CS amplifier calculator uses open_circuit_voltage_gain = Output resistance/(Input resistance+1/MOSFET Transconductance) to calculate the Open circuit voltage gain, The Open-circuit voltage gain of the CS amplifier formula is defined as the input is a voltage between the gate and ground, and the output is a voltage between the drain and ground. Open circuit voltage gain and is denoted by Avo symbol.

How to calculate Open-circuit voltage gain of the CS amplifier using this online calculator? To use this online calculator for Open-circuit voltage gain of the CS amplifier, enter Output resistance (Ro), Input resistance (Ri) and MOSFET Transconductance (gm) and hit the calculate button. Here is how the Open-circuit voltage gain of the CS amplifier calculation can be explained with given input values -> 4.878E-5 = 200/(100000+1/2.5E-07).

### FAQ

What is Open-circuit voltage gain of the CS amplifier?
The Open-circuit voltage gain of the CS amplifier formula is defined as the input is a voltage between the gate and ground, and the output is a voltage between the drain and ground and is represented as Avo = Ro/(Ri+1/gm) or open_circuit_voltage_gain = Output resistance/(Input resistance+1/MOSFET Transconductance). Output resistance is the value of resistance of the network, Input resistance is the resistance value of the voltage amplifier 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 Open-circuit voltage gain of the CS amplifier?
The Open-circuit voltage gain of the CS amplifier formula is defined as the input is a voltage between the gate and ground, and the output is a voltage between the drain and ground is calculated using open_circuit_voltage_gain = Output resistance/(Input resistance+1/MOSFET Transconductance). To calculate Open-circuit voltage gain of the CS amplifier, you need Output resistance (Ro), Input resistance (Ri) and MOSFET Transconductance (gm). With our tool, you need to enter the respective value for Output resistance, Input 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 Open circuit voltage gain?
In this formula, Open circuit voltage gain uses Output resistance, Input 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 Open-circuit voltage gain of the CS amplifier calculator used?
Among many, Open-circuit voltage gain of the CS amplifier calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
{FormulaExamplesList} Let Others Know
LinkedIn
Email
WhatsApp
Copied!