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Small Signal Output Voltage Calculator

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✖Transconductance in small signal amplifiers refers to the change in current output for a small change in input voltage. It is a measure of the amplifier's ability to follow small signal variations.ⓘ Transconductance [gm]
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✖The Source to Gate Voltage is the potential difference between the source and gate of the transistor.ⓘ Source to Gate Voltage [Vsg]
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✖Load Resistance is the opposition to the flow of current in an electrical circuit due to the presence of a load.ⓘ Load Resistance [RL]
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✖The Output Voltage is the voltage detected at the end of the transistor.ⓘ Small Signal Output Voltage [Vout]
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Small Signal Output Voltage

Formula
`"V"_{"out"} = "g"_{"m"}*"V"_{"sg"}*"R"_{"L"}`

Example
`"467.232V"="1.57S"*"20V"*"14.88Ω"`

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Small Signal Output Voltage Solution

STEP 0: Pre-Calculation Summary
Formula Used
Output Voltage = Transconductance*Source to Gate Voltage*Load Resistance
Vout = gm*Vsg*RL
This formula uses 4 Variables
Variables Used
Output Voltage - (Measured in Volt) - The Output Voltage is the voltage detected at the end of the transistor.
Transconductance - (Measured in Siemens) - Transconductance in small signal amplifiers refers to the change in current output for a small change in input voltage. It is a measure of the amplifier's ability to follow small signal variations.
Source to Gate Voltage - (Measured in Volt) - The Source to Gate Voltage is the potential difference between the source and gate of the transistor.
Load Resistance - (Measured in Ohm) - Load Resistance is the opposition to the flow of current in an electrical circuit due to the presence of a load.
STEP 1: Convert Input(s) to Base Unit
Transconductance: 1.57 Siemens --> 1.57 Siemens No Conversion Required
Source to Gate Voltage: 20 Volt --> 20 Volt No Conversion Required
Load Resistance: 14.88 Ohm --> 14.88 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Vout = gm*Vsg*RL --> 1.57*20*14.88
Evaluating ... ...
Vout = 467.232
STEP 3: Convert Result to Output's Unit
467.232 Volt --> No Conversion Required
FINAL ANSWER
467.232 Volt <-- Output Voltage
(Calculation completed in 00.004 seconds)
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Created by Ritwik Tripathi
Vellore Institute of Technology (VIT Vellore), Vellore
Ritwik Tripathi has created this Calculator and 8 more calculators!
Verified by Parminder Singh
Chandigarh University (CU), Punjab
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15 Small Signal Analysis Calculators

Small Signal Voltage Gain with respect to Input Resistance
Go Voltage Gain = (Input Amplifier Resistance/(Input Amplifier Resistance+Self Induced Resistance))*((Source Resistance*Output Resistance)/(Source Resistance+Output Resistance))/(1/Transconductance+((Source Resistance*Output Resistance)/(Source Resistance+Output Resistance)))
Gate to Source Voltage with respect to Small Signal Resistance
Go Critical Voltage = Input Voltage*((1/Transconductance)/((1/Transconductance)*((Source Resistance*Small Signal Resistance)/(Source Resistance+Small Signal Resistance))))
Common Drain Output Voltage in Small Signal
Go Output Voltage = Transconductance*Critical Voltage*((Source Resistance*Small Signal Resistance)/(Source Resistance+Small Signal Resistance))
Output Voltage of Small Signal P-Channel
Go Output Voltage = Transconductance*Source to Gate Voltage*((Output Resistance*Drain Resistance)/(Drain Resistance+Output Resistance))
Voltage Gain for Small Signal
Go Voltage Gain = (Transconductance*(1/((1/Load Resistance)+(1/Drain Resistance))))/(1+(Transconductance*Self Induced Resistance))
Small-Signal Voltage Gain with respect to Drain Resistance
Go Voltage Gain = -(Transconductance*((Output Resistance *Drain Resistance)/(Output Resistance+Drain Resistance)))
Output Current of Small Signal
Go Output Current = (-Transconductance*Critical Voltage)*(Drain Resistance/(Load Resistance+Drain Resistance))
Input Current of Small Signal
Go Input Current Of Small Signal = -(Critical Voltage*((1+Transconductance*Self Induced Resistance)/Self Induced Resistance))
Amplification Factor for Small Signal MOSFET Model
Go Amplification Factor = 1/Electron Mean Free Path*sqrt((2*Process Transconductance Parameter)/Drain Current)
Transconductance Given Small Signal Parameters
Go Transconductance = 2*Transconductance Parameter*(DC Component of Gate to Source Voltage-Total Voltage)
Gate to Source Voltage in Small Signal
Go Critical Voltage = -Input Voltage/(1+Self Induced Resistance*Transconductance)
Voltage Gain using Small Signal
Go Voltage Gain = Transconductance*1/(1/Load Resistance+1/Finite Resistance)
Small Signal Output Voltage
Go Output Voltage = Transconductance*Source to Gate Voltage*Load Resistance
Drain Current of MOSFET Small Signal
Go Drain Current = 1/(Electron Mean Free Path*Output Resistance)
Amplification Factor in Small Signal MOSFET Model
Go Amplification Factor = Transconductance*Output Resistance

Small Signal Output Voltage Formula

Output Voltage = Transconductance*Source to Gate Voltage*Load Resistance
Vout = gm*Vsg*RL

What is the application of small signal output voltage?

The application of small signal output voltage is commonly found in electronics and communication systems. It refers to the small variations in voltage that occur in response to input signals. These small signals are usually used for amplification purposes, where they are boosted to a level suitable for further processing or transmission.

How to Calculate Small Signal Output Voltage?

Small Signal Output Voltage calculator uses Output Voltage = Transconductance*Source to Gate Voltage*Load Resistance to calculate the Output Voltage, Small Signal Output Voltage refers to the voltage output of a circuit or device when it is operating with a small signal or low power input.It is used to quantify the maximum voltage output of a circuit before it begins to saturate or become non-linear. Output Voltage is denoted by Vout symbol.

How to calculate Small Signal Output Voltage using this online calculator? To use this online calculator for Small Signal Output Voltage, enter Transconductance (gm), Source to Gate Voltage (Vsg) & Load Resistance (RL) and hit the calculate button. Here is how the Small Signal Output Voltage calculation can be explained with given input values -> 4464 = 1.57*20*14.88.

FAQ

What is Small Signal Output Voltage?
Small Signal Output Voltage refers to the voltage output of a circuit or device when it is operating with a small signal or low power input.It is used to quantify the maximum voltage output of a circuit before it begins to saturate or become non-linear and is represented as Vout = gm*Vsg*RL or Output Voltage = Transconductance*Source to Gate Voltage*Load Resistance. Transconductance in small signal amplifiers refers to the change in current output for a small change in input voltage. It is a measure of the amplifier's ability to follow small signal variations, The Source to Gate Voltage is the potential difference between the source and gate of the transistor & Load Resistance is the opposition to the flow of current in an electrical circuit due to the presence of a load.
How to calculate Small Signal Output Voltage?
Small Signal Output Voltage refers to the voltage output of a circuit or device when it is operating with a small signal or low power input.It is used to quantify the maximum voltage output of a circuit before it begins to saturate or become non-linear is calculated using Output Voltage = Transconductance*Source to Gate Voltage*Load Resistance. To calculate Small Signal Output Voltage, you need Transconductance (gm), Source to Gate Voltage (Vsg) & Load Resistance (RL). With our tool, you need to enter the respective value for Transconductance, Source to Gate Voltage & Load 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 Output Voltage?
In this formula, Output Voltage uses Transconductance, Source to Gate Voltage & Load Resistance. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Output Voltage = Transconductance*Source to Gate Voltage*((Output Resistance*Drain Resistance)/(Drain Resistance+Output Resistance))
  • Output Voltage = Transconductance*Critical Voltage*((Source Resistance*Small Signal Resistance)/(Source Resistance+Small Signal Resistance))
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