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Common-Mode Signal of MOSFET given Resistance Formula

GoCommon-Mode Input Signal of MOSFET Formula

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A common mode input signal is a type of electrical signal that appears equally on both input terminals of a differential amplifier. Check FAQs

V cin = \frac{2 \cdot R out \cdot V out}{R L}

V_cin - Common Mode Input Signal?R_out - Output Resistance?V_out - Output Voltage?R_L - Load Resistance?

Common-Mode Signal of MOSFET given Resistance Example

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Here is how the Common-Mode Signal of MOSFET given Resistance equation looks like with Values.

Here is how the Common-Mode Signal of MOSFET given Resistance equation looks like with Units.

Here is how the Common-Mode Signal of MOSFET given Resistance equation looks like.

135 = \frac{2 \cdot 4.5 \cdot 4.2}{0.28}

135V = \frac{2 \cdot 4.5kΩ \cdot 4.2V}{0.28kΩ}

135 = \frac{2 \cdot 4.5 \cdot 4.2}{0.28}

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Common-Mode Signal of MOSFET given Resistance Solution

Follow our step by step solution on how to calculate Common-Mode Signal of MOSFET given Resistance?

FIRST Step Consider the formula

V cin = \frac{2 \cdot R out \cdot V out}{R L}

Next Step Substitute values of Variables

∴

V cin = \frac{2 \cdot 4.5kΩ \cdot 4.2V}{0.28kΩ}

Next Step Convert Units

∴

V cin = \frac{2 \cdot 4500Ω \cdot 4.2V}{280Ω}

Next Step Prepare to Evaluate

∴

V cin = \frac{2 \cdot 4500 \cdot 4.2}{280}

LAST Step Evaluate

∴

V cin = 135V

Common-Mode Signal of MOSFET given Resistance Formula Elements

Variables

Common Mode Input Signal

A common mode input signal is a type of electrical signal that appears equally on both input terminals of a differential amplifier.

Symbol: V_cin

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Common Mode Input Signal

Output Resistance

Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output.

Symbol: R_out

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Output Resistance

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

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

Other Formulas to find Common Mode Input Signal

Go Common-Mode Input Signal of MOSFET

V cin = (\frac{I t}{g m}) + (2 \cdot I t \cdot R tl)

Other formulas in Common Mode Rejection Ratio (CMRR) category

Go Common-Mode Rejection Ratio of MOSFET given Resistance

CMRR = \frac{2 \cdot g m \cdot R out}{\frac{ΔR D}{R d}}

Go Common-Mode Rejection Ratio of MOS with Current-Mirror Load

CMRR = g m \cdot (\frac{1}{\frac{1}{R' 1} + \frac{1}{R' 2}}) \cdot (2 \cdot Δg m \cdot R fo)

Go Common-Mode Rejection Ratio of MOS with Current-Mirror Load when Resistance at Drains are Equal

CMRR = (g m \cdot R fo) \cdot (g m \cdot R s)

Go Common-Mode Rejection Ratio of MOSFET in Decibels

CMRR db = mod \underset{̲}{u} s (20 \cdot \log 10 (\frac{A v}{A cm(db)}))

How to Evaluate Common-Mode Signal of MOSFET given Resistance?

Common-Mode Signal of MOSFET given Resistance evaluator uses Common Mode Input Signal = (2*Output Resistance*Output Voltage)/Load Resistance to evaluate the Common Mode Input Signal, The Common-mode signal of MOSFET given resistance formula is defined as the voltage common to both input terminals of an electrical device. when referenced to the local common or ground, a common-mode signal appears on both lines of a two-wire cable, in-phase and with equal amplitudes. Common Mode Input Signal is denoted by V_cin symbol.

How to evaluate Common-Mode Signal of MOSFET given Resistance using this online evaluator? To use this online evaluator for Common-Mode Signal of MOSFET given Resistance, enter Output Resistance (R_out), Output Voltage (V_out) & Load Resistance (R_L) and hit the calculate button.

FAQs on Common-Mode Signal of MOSFET given Resistance

What is the formula to find Common-Mode Signal of MOSFET given Resistance?

The formula of Common-Mode Signal of MOSFET given Resistance is expressed as Common Mode Input Signal = (2*Output Resistance*Output Voltage)/Load Resistance. Here is an example- 135 = (2*4500*4.2)/280.

How to calculate Common-Mode Signal of MOSFET given Resistance?

With Output Resistance (R_out), Output Voltage (V_out) & Load Resistance (R_L) we can find Common-Mode Signal of MOSFET given Resistance using the formula - Common Mode Input Signal = (2*Output Resistance*Output Voltage)/Load Resistance.

What are the other ways to Calculate Common Mode Input Signal?

Here are the different ways to Calculate Common Mode Input Signal-

Common Mode Input Signal=(Total Current/Transconductance)+(2*Total Current*Total Load Resistance of MOSFET)

Can the Common-Mode Signal of MOSFET given Resistance be negative?

Yes, the Common-Mode Signal of MOSFET given Resistance, measured in Electric Potential can be negative.

Which unit is used to measure Common-Mode Signal of MOSFET given Resistance?

Common-Mode Signal of MOSFET given Resistance is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Common-Mode Signal of MOSFET given Resistance can be measured.

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