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

✖Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output.ⓘ Output Resistance [R_out]			+10% -10%
✖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.ⓘ Transconductance [g_m]			+10% -10%
✖A common mode input signal is a type of electrical signal that appears equally on both input terminals of a differential amplifier.ⓘ Common Mode Input Signal [V_cin]			+10% -10%

✖Drain Voltage Q1 is voltage taken at Drain terminal at one transistor Q1 in Differential Circuit.ⓘ Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal [v_o1]

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Formula

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

Formula

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

Example

-34.65 V = - 4.5 kΩ \cdot \frac{0.5 mS \cdot 84.7 V}{1 + (2 \cdot 0.5 mS \cdot 4.5 kΩ)}

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

STEP 0: Pre-Calculation Summary

Formula Used

Drain Voltage Q1 = -Output Resistance*(Transconductance*Common Mode Input Signal)/(1+(2*Transconductance*Output Resistance))
v_o1 = -R_out*(g_m*V_cin)/(1+(2*g_m*R_out))
This formula uses 4 Variables

Variables Used

Drain Voltage Q1 - (Measured in Volt) - Drain Voltage Q1 is voltage taken at Drain terminal at one transistor Q1 in Differential Circuit.
Output Resistance - (Measured in Ohm) - Output resistance refers to the resistance of an electronic circuit to the flow of current when a load is connected to its output.
Transconductance - (Measured in Siemens) - 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.
Common Mode Input Signal - (Measured in Volt) - A common mode input signal is a type of electrical signal that appears equally on both input terminals of a differential amplifier.

STEP 1: Convert Input(s) to Base Unit

Output Resistance: 4.5 Kilohm --> 4500 Ohm (Check conversion here)
Transconductance: 0.5 Millisiemens --> 0.0005 Siemens (Check conversion here)
Common Mode Input Signal: 84.7 Volt --> 84.7 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

v_o1 = -R_out*(g_m*V_cin)/(1+(2*g_m*R_out)) --> -4500*(0.0005*84.7)/(1+(2*0.0005*4500))

Evaluating ... ...

v_o1 = -34.65

STEP 3: Convert Result to Output's Unit

-34.65 Volt --> No Conversion Required

FINAL ANSWER

-34.65 Volt <-- Drain Voltage Q1

(Calculation completed in 00.004 seconds)

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

Go Drain Voltage Q1 = -Output Resistance*(Transconductance*Common Mode Input Signal)/(1+(2*Transconductance*Output Resistance))

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

Go Drain Voltage Q2 = -(Output Resistance/((1/Transconductance)+2*Output Resistance))*Common Mode Input Signal

Output Voltage at Drain Q1 of MOSFET

Go Drain Voltage Q1 = -(Output Resistance*Total Current)

Output Voltage at Drain Q2 of MOSFET

Go Drain Voltage Q2 = -(Output Resistance*Total Current)

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

Drain Voltage Q1 = -Output Resistance*(Transconductance*Common Mode Input Signal)/(1+(2*Transconductance*Output Resistance))
v_o1 = -R_out*(g_m*V_cin)/(1+(2*g_m*R_out))

What does common mode rejection do?

Common-mode rejection is the ability of the differential amplifier (which sits between the oscilloscope and probes as a signal-conditioning preamp) to eliminate the common-mode voltage from the output. But as signal frequencies rise, CMRR deteriorates.

How to Calculate Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal?

Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal calculator uses Drain Voltage Q1 = -Output Resistance*(Transconductance*Common Mode Input Signal)/(1+(2*Transconductance*Output Resistance)) to calculate the Drain Voltage Q1, The Output voltage at drain Q1 of MOSFET given common-mode signal formula is defined as is the voltage released by a device, such as a voltage regulator or a generator. Drain Voltage Q1 is denoted by v_o1 symbol.

How to calculate Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal using this online calculator? To use this online calculator for Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal, enter Output Resistance (R_out), Transconductance (g_m) & Common Mode Input Signal (V_cin) and hit the calculate button. Here is how the Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal calculation can be explained with given input values -> -34.65 = -4500*(0.0005*84.7)/(1+(2*0.0005*4500)).

FAQ

What is Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal?

The Output voltage at drain Q1 of MOSFET given common-mode signal formula is defined as is the voltage released by a device, such as a voltage regulator or a generator and is represented as v_o1 = -R_out*(g_m*V_cin)/(1+(2*g_m*R_out)) or Drain Voltage Q1 = -Output Resistance*(Transconductance*Common Mode Input Signal)/(1+(2*Transconductance*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, 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 & A common mode input signal is a type of electrical signal that appears equally on both input terminals of a differential amplifier.

How to calculate Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal?

The Output voltage at drain Q1 of MOSFET given common-mode signal formula is defined as is the voltage released by a device, such as a voltage regulator or a generator is calculated using Drain Voltage Q1 = -Output Resistance*(Transconductance*Common Mode Input Signal)/(1+(2*Transconductance*Output Resistance)). To calculate Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal, you need Output Resistance (R_out), Transconductance (g_m) & Common Mode Input Signal (V_cin). With our tool, you need to enter the respective value for Output Resistance, Transconductance & Common Mode Input Signal 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 Drain Voltage Q1?

In this formula, Drain Voltage Q1 uses Output Resistance, Transconductance & Common Mode Input Signal. We can use 1 other way(s) to calculate the same, which is/are as follows -

Drain Voltage Q1 = -(Output Resistance*Total Current)

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