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Common Gate Output Voltage Formula

GoVoltage at Drain Q1 of MOSFET Formula

GoVoltage at Drain Q2 in MOSFET Formula

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Output voltage is the electrical potential difference that is delivered to a load by a power supply and it plays a critical role in determining the performance and reliability of electronic systems. Check FAQs

V out = - (g m \cdot V c) \cdot (\frac{R L \cdot R gate}{R gate + R L})

V_out - Output Voltage?g_m - Transconductance?V_c - Critical Voltage?R_L - Load Resistance?R_gate - Gate Resistance?

Common Gate Output Voltage Example

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Here is how the Common Gate Output Voltage equation looks like with Values.

Here is how the Common Gate Output Voltage equation looks like with Units.

Here is how the Common Gate Output Voltage equation looks like.

-0.0022 = - (0.5 \cdot 0.284) \cdot (\frac{0.28 \cdot 16.4}{16.4 + 0.28})

-0.0022V = - (0.5mS \cdot 0.284V) \cdot (\frac{0.28kΩ \cdot 16.4Ω}{16.4Ω + 0.28kΩ})

-0.0022 = - (0.5 \cdot 0.284) \cdot (\frac{0.28 \cdot 16.4}{16.4 + 0.28})

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Common Gate Output Voltage Solution

Follow our step by step solution on how to calculate Common Gate Output Voltage?

FIRST Step Consider the formula

V out = - (g m \cdot V c) \cdot (\frac{R L \cdot R gate}{R gate + R L})

Next Step Substitute values of Variables

∴

V out = - (0.5mS \cdot 0.284V) \cdot (\frac{0.28kΩ \cdot 16.4Ω}{16.4Ω + 0.28kΩ})

Next Step Convert Units

∴

V out = - (0.0005S \cdot 0.284V) \cdot (\frac{280Ω \cdot 16.4Ω}{16.4Ω + 280Ω})

Next Step Prepare to Evaluate

∴

V out = - (0.0005 \cdot 0.284) \cdot (\frac{280 \cdot 16.4}{16.4 + 280})

Next Step Evaluate

∴

V out = -0.00219994601889339V

LAST Step Rounding Answer

∴

V out = -0.0022V

Common Gate Output Voltage Formula Elements

Variables

Output Voltage

Output voltage is the electrical potential difference that is delivered to a load by a power supply and it plays a critical role in determining the performance and reliability of electronic systems.

Symbol: V_out

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Output Voltage

Transconductance

Transconductance is defined as the ratio of the change in the output current to the change in the input voltage, with the gate-source voltage held constant.

Symbol: g_m

Measurement: Electric ConductanceUnit: mS

Note: Value can be positive or negative.

Formulas to find Transconductance

Critical Voltage

Critical Voltage is the minimum phase to the neutral voltage which glows and appears all along the line conductor.

Symbol: V_c

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Critical Voltage

Load Resistance

Load resistance is the external resistance connected between the drain terminal of the MOSFET and the power supply voltage.

Symbol: R_L

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Load Resistance

Gate Resistance

Gate Resistance is the resistance that occurs when a voltage is applied across a MOSFET gate and source. It is caused by the insulating layerthat separates the gate and source terminals.

Symbol: R_gate

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Gate Resistance

Other Formulas to find Output Voltage

Go Voltage at Drain Q1 of MOSFET

V out = - (\frac{R tl}{2 \cdot R out}) \cdot V cin

Go Voltage at Drain Q2 in MOSFET

V out = - (\frac{R tl}{2 \cdot R out}) \cdot V cin

Other formulas in Voltage category

Go Output Voltage at Drain Q1 of MOSFET

v o1 = - (R out \cdot I t)

Go Output Voltage at Drain Q2 of MOSFET

v o2 = - (R out \cdot I t)

Go Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal

v o1 = - R out \cdot \frac{g m \cdot V cin}{1 + (2 \cdot g m \cdot R out)}

Go Output Voltage at Drain Q2 of MOSFET given Common-Mode Signal

v o2 = - (\frac{R out}{(\frac{1}{g m}) + 2 \cdot R out}) \cdot V cin

How to Evaluate Common Gate Output Voltage?

Common Gate Output Voltage evaluator uses Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance)) to evaluate the Output Voltage, The Common Gate Output Voltage formula is defined as the voltage output from a logic gate when the input signals are at their threshold levels. It is the voltage level at which the gate will produce an output signal, regardless of the input signals. Output Voltage is denoted by V_out symbol.

How to evaluate Common Gate Output Voltage using this online evaluator? To use this online evaluator for Common Gate Output Voltage, enter Transconductance (g_m), Critical Voltage (V_c), Load Resistance (R_L) & Gate Resistance (R_gate) and hit the calculate button.

FAQs on Common Gate Output Voltage

What is the formula to find Common Gate Output Voltage?

The formula of Common Gate Output Voltage is expressed as Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance)). Here is an example- -0.021744 = -(0.0005*0.284)*((280*16.4)/(16.4+280)).

How to calculate Common Gate Output Voltage?

With Transconductance (g_m), Critical Voltage (V_c), Load Resistance (R_L) & Gate Resistance (R_gate) we can find Common Gate Output Voltage using the formula - Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance)).

What are the other ways to Calculate Output Voltage?

Here are the different ways to Calculate Output Voltage-

Output Voltage=-(Total Load Resistance of MOSFET/(2*Output Resistance))*Common Mode Input Signal
Output Voltage=-(Total Load Resistance of MOSFET/(2*Output Resistance))*Common Mode Input Signal

Can the Common Gate Output Voltage be negative?

Yes, the Common Gate Output Voltage, measured in Electric Potential can be negative.

Which unit is used to measure Common Gate Output Voltage?

Common Gate Output Voltage is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Common Gate Output Voltage can be measured.

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Common Gate Output Voltage Formula

​GoVoltage at Drain Q1 of MOSFET Formula

​GoVoltage at Drain Q2 in MOSFET Formula

Common Gate Output Voltage Example

Common Gate Output Voltage Solution

Common Gate Output Voltage Formula Elements

Other Formulas to find Output Voltage

Other formulas in Voltage category

How to Evaluate Common Gate Output Voltage?

FAQs on Common Gate Output Voltage

Variable Name

GoVoltage at Drain Q1 of MOSFET Formula

GoVoltage at Drain Q2 in MOSFET Formula