Overall Feedback Voltage Gain of Common-Source Amplifier Calculator

✖MOSFET Primary Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage.ⓘ MOSFET Primary Transconductance [g_mp]			+10% -10%
✖Input resistance 2 is the opposition that an electrical component or circuit presents to the flow of electrical current when a voltage is applied to it.ⓘ Input Resistance [R_in]			+10% -10%
✖Signal resistance is the resistance which is fed with the signal voltage source of an Amplifier.ⓘ Signal Resistance [R_sig]			+10% -10%
✖Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage.ⓘ Drain Resistance [R_d]			+10% -10%
✖Load resistance is the resistance value of load given for the network.ⓘ Load Resistance [R_L]			+10% -10%
✖The finite output resistance is a measure of how much the transistor's output impedance varies with changes in the output voltage.ⓘ Finite Output Resistance [R_out]			+10% -10%

✖Feedback Voltage Gain is a measure of the gain of an amplifier or electronic system that is derived from the input voltage and feedback from the output.ⓘ Overall Feedback Voltage Gain of Common-Source Amplifier [G_fv]

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Formula

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Overall Feedback Voltage Gain of Common-Source Amplifier

Formula

`"G"_{"fv"} = -"g"_{"mp"}*("R"_{"in"}/("R"_{"in"}+"R"_{"sig"}))*(1/"R"_{"d"}+1/"R"_{"L"}+1/"R"_{"out"})^-1`

Example

`"-0.632389"=-"19.77mS"*("0.301kΩ"/("0.301kΩ"+"1.12kΩ"))*(1/"0.36kΩ"+1/"1.013kΩ"+1/"0.35kΩ")^-1`

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Overall Feedback Voltage Gain of Common-Source Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Drain Resistance+1/Load Resistance+1/Finite Output Resistance)^-1
G_fv = -g_mp*(R_in/(R_in+R_sig))*(1/R_d+1/R_L+1/R_out)^-1
This formula uses 7 Variables

Variables Used

Feedback Voltage Gain - Feedback Voltage Gain is a measure of the gain of an amplifier or electronic system that is derived from the input voltage and feedback from the output.
MOSFET Primary Transconductance - (Measured in Siemens) - MOSFET Primary Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage.
Input Resistance - (Measured in Ohm) - Input resistance 2 is the opposition that an electrical component or circuit presents to the flow of electrical current when a voltage is applied to it.
Signal Resistance - (Measured in Ohm) - Signal resistance is the resistance which is fed with the signal voltage source of an Amplifier.
Drain Resistance - (Measured in Ohm) - Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage.
Load Resistance - (Measured in Ohm) - Load resistance is the resistance value of load given for the network.
Finite Output Resistance - (Measured in Ohm) - The finite output resistance is a measure of how much the transistor's output impedance varies with changes in the output voltage.

STEP 1: Convert Input(s) to Base Unit

MOSFET Primary Transconductance: 19.77 Millisiemens --> 0.01977 Siemens (Check conversion here)
Input Resistance: 0.301 Kilohm --> 301 Ohm (Check conversion here)
Signal Resistance: 1.12 Kilohm --> 1120 Ohm (Check conversion here)
Drain Resistance: 0.36 Kilohm --> 360 Ohm (Check conversion here)
Load Resistance: 1.013 Kilohm --> 1013 Ohm (Check conversion here)
Finite Output Resistance: 0.35 Kilohm --> 350 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G_fv = -g_mp*(R_in/(R_in+R_sig))*(1/R_d+1/R_L+1/R_out)^-1 --> -0.01977*(301/(301+1120))*(1/360+1/1013+1/350)^-1

Evaluating ... ...

G_fv = -0.632388806637818

STEP 3: Convert Result to Output's Unit

-0.632388806637818 --> No Conversion Required

FINAL ANSWER

-0.632388806637818 ≈ -0.632389 <-- Feedback Voltage Gain

(Calculation completed in 00.004 seconds)

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< 11 Common-Source Amplifier Calculators

Overall Feedback Voltage Gain of Common-Source Amplifier

Go Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Drain Resistance+1/Load Resistance+1/Finite Output Resistance)^-1

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)

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 CS Amplifier with Source Resistance

Go Drain Resistance = Finite Output Resistance+Source Resistance+(MOSFET Primary Transconductance*Finite Output Resistance*Source Resistance)

Open-Circuit Voltage Gain of CS Amplifier

Go Open Circuit Voltage Gain = Finite Output Resistance/(Finite Output Resistance+1/MOSFET Primary Transconductance)

Transconductance in Common Source Amplifier

Go MOSFET Primary Transconductance = Unity Gain Frequency*(Gate to Source Capacitance+Capacitance Gate to Drain)

Overall Voltage Gain of Source Follower

Go Overall Voltage Gain = Load Resistance/(Load Resistance+1/MOSFET Primary Transconductance)

Current Gain of Controlled Source Transistor

Go Current Gain = 1/(1+1/(MOSFET Primary Transconductance*Resistance between Drain and Ground))

Emitter Voltage with respect to Voltage Gain

Go Emitter Voltage = Collector Voltage/Voltage Gain

Total Voltage Gain of CS Amplifier

Go Voltage Gain = Load Voltage/Input Voltage

Load Voltage of CS Amplifier

Go Load Voltage = Voltage Gain*Input Voltage

< 13 Common Stage Amplifiers Gain Calculators

Overall Feedback Voltage Gain of Common-Collector Amplifier

Go Overall Voltage Gain = ((Collector Base Current Gain+1)*Load Resistance)/((Collector Base Current Gain+1)*Load Resistance+(Collector Base Current Gain+1)*Emitter Resistance+Signal Resistance)

Overall Voltage Gain of Common-Emitter Amplifier

Go Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Collector Resistance+1/Load Resistance+1/Finite Output Resistance)^-1

Overall Feedback Voltage Gain of Common-Source Amplifier

Go Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Drain Resistance+1/Load Resistance+1/Finite Output Resistance)^-1

Overall Feedback Voltage Gain of Common-Emitter Amplifier

Go Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance))

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)))

Open-Circuit Voltage Gain of CS Amplifier

Go Open Circuit Voltage Gain = Finite Output Resistance/(Finite Output Resistance+1/MOSFET Primary Transconductance)

Negative Voltage Gain from Base to Collector

Go Negative Voltage Gain = -Common Base Current Gain*(Collector Resistance/Emitter Resistance)

Overall Voltage Gain of Source Follower

Go Overall Voltage Gain = Load Resistance/(Load Resistance+1/MOSFET Primary Transconductance)

Common Base Current Gain

Go Common Base Current Gain = (Voltage Gain*Emitter Resistance/Collector Resistance)

Current Gain of Controlled Source Transistor

Go Current Gain = 1/(1+1/(MOSFET Primary Transconductance*Resistance between Drain and Ground))

Emitter Voltage with respect to Voltage Gain

Go Emitter Voltage = Collector Voltage/Voltage Gain

Voltage Gain of Common-Base Amplifier

Go Voltage Gain = Collector Voltage/Emitter Voltage

Total Voltage Gain of CS Amplifier

Go Voltage Gain = Load Voltage/Input Voltage

Overall Feedback Voltage Gain of Common-Source Amplifier Formula

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 Overall Feedback Voltage Gain of Common-Source Amplifier?

Overall Feedback Voltage Gain of Common-Source Amplifier calculator uses Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Drain Resistance+1/Load Resistance+1/Finite Output Resistance)^-1 to calculate the Feedback Voltage Gain, Overall Feedback Voltage Gain of Common-Source Amplifier formula refers to the ratio of the amplified output voltage to the input voltage, considering the effects of feedback, influencing stability and performance. Feedback Voltage Gain is denoted by G_fv symbol.

How to calculate Overall Feedback Voltage Gain of Common-Source Amplifier using this online calculator? To use this online calculator for Overall Feedback Voltage Gain of Common-Source Amplifier, enter MOSFET Primary Transconductance (g_mp), Input Resistance (R_in), Signal Resistance (R_sig), Drain Resistance (R_d), Load Resistance (R_L) & Finite Output Resistance (R_out) and hit the calculate button. Here is how the Overall Feedback Voltage Gain of Common-Source Amplifier calculation can be explained with given input values -> -0.632109 = -0.01977*(301/(301+1120))*(1/360+1/1013+1/350)^-1.

FAQ

What is Overall Feedback Voltage Gain of Common-Source Amplifier?

Overall Feedback Voltage Gain of Common-Source Amplifier formula refers to the ratio of the amplified output voltage to the input voltage, considering the effects of feedback, influencing stability and performance and is represented as G_fv = -g_mp*(R_in/(R_in+R_sig))*(1/R_d+1/R_L+1/R_out)^-1 or Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Drain Resistance+1/Load Resistance+1/Finite Output Resistance)^-1. MOSFET Primary Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage, Input resistance 2 is the opposition that an electrical component or circuit presents to the flow of electrical current when a voltage is applied to it, Signal resistance is the resistance which is fed with the signal voltage source of an Amplifier, Drain resistance is the ratio of change in drain to source voltage to corresponding change in drain current for a constant gate to source voltage, Load resistance is the resistance value of load given for the network & The finite output resistance is a measure of how much the transistor's output impedance varies with changes in the output voltage.

How to calculate Overall Feedback Voltage Gain of Common-Source Amplifier?

Overall Feedback Voltage Gain of Common-Source Amplifier formula refers to the ratio of the amplified output voltage to the input voltage, considering the effects of feedback, influencing stability and performance is calculated using Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Drain Resistance+1/Load Resistance+1/Finite Output Resistance)^-1. To calculate Overall Feedback Voltage Gain of Common-Source Amplifier, you need MOSFET Primary Transconductance (g_mp), Input Resistance (R_in), Signal Resistance (R_sig), Drain Resistance (R_d), Load Resistance (R_L) & Finite Output Resistance (R_out). With our tool, you need to enter the respective value for MOSFET Primary Transconductance, Input Resistance, Signal Resistance, Drain Resistance, Load Resistance & Finite Output 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 Feedback Voltage Gain?

In this formula, Feedback Voltage Gain uses MOSFET Primary Transconductance, Input Resistance, Signal Resistance, Drain Resistance, Load Resistance & Finite Output Resistance. We can use 2 other way(s) to calculate the same, which is/are as follows -

Feedback Voltage Gain = -MOSFET Primary Transconductance*(Input Resistance/(Input Resistance+Signal Resistance))*(1/Collector Resistance+1/Load Resistance+1/Finite Output Resistance)^-1
Feedback Voltage Gain = -Common Base Current Gain*Collector Resistance/Emitter Resistance*(Input Resistance/(Input Resistance+Signal Resistance))

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