Output voltage gain of MOS Cascode Amplifier Formula

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Output voltage gain is the difference between the output signal voltage level in decibels and the input signal voltage level in decibels. Check FAQs
Avo=-gmp2RoutRd
Avo - Output Voltage Gain?gmp - MOSFET Primary Transconductance?Rout - Finite Output Resistance?Rd - Drain Resistance?

Output voltage gain of MOS Cascode Amplifier Example

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With units
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Here is how the Output voltage gain of MOS Cascode Amplifier equation looks like with Values.

Here is how the Output voltage gain of MOS Cascode Amplifier equation looks like with Units.

Here is how the Output voltage gain of MOS Cascode Amplifier equation looks like.

49.2475Edit=-19.77Edit20.35Edit0.36Edit
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Output voltage gain of MOS Cascode Amplifier Solution

Follow our step by step solution on how to calculate Output voltage gain of MOS Cascode Amplifier?

FIRST Step Consider the formula
Avo=-gmp2RoutRd
Next Step Substitute values of Variables
Avo=-19.77mS20.350.36
Next Step Convert Units
Avo=-0.0198S2350Ω360Ω
Next Step Prepare to Evaluate
Avo=-0.01982350360
Next Step Evaluate
Avo=49.2474654
LAST Step Rounding Answer
Avo=49.2475

Output voltage gain of MOS Cascode Amplifier Formula Elements

Variables
Output Voltage Gain
Output voltage gain is the difference between the output signal voltage level in decibels and the input signal voltage level in decibels.
Symbol: Avo
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
MOSFET Primary Transconductance
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.
Symbol: gmp
Measurement: TransconductanceUnit: mS
Note: Value should be greater than 0.
Finite Output Resistance
The finite output resistance is a measure of how much the transistor's output impedance varies with changes in the output voltage.
Symbol: Rout
Measurement: Electric ResistanceUnit:
Note: Value should be greater than 0.
Drain Resistance
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.
Symbol: Rd
Measurement: Electric ResistanceUnit:
Note: Value should be greater than 0.

Other formulas in Cascode Ampifier category

​Go Drain Resistance of Cascode Amplifier
Rd=(Avogmp2Rout)
​Go Equivalent Resistance of Cascode Amplifier
Rdg=(1Rout1+1Rin)-1
​Go Open Circuit Bipolar Cascode Voltage Gain
Afo=-gmp(gmsRout)(1Rout1+1Rsm)-1
​Go Negative Voltage Gain of Cascode Amplifier
Avn=-(gmpRdg)

How to Evaluate Output voltage gain of MOS Cascode Amplifier?

Output voltage gain of MOS Cascode Amplifier evaluator uses Output Voltage Gain = -MOSFET Primary Transconductance^2*Finite Output Resistance*Drain Resistance to evaluate the Output Voltage Gain, The Output voltage gain of MOS Cascode Amplifier formula is defined as measure of ability of two-port circuit (often amplifier) to increase power or amplitude of signal from input to output port by adding energy converted from some power supply to signal. Output Voltage Gain is denoted by Avo symbol.

How to evaluate Output voltage gain of MOS Cascode Amplifier using this online evaluator? To use this online evaluator for Output voltage gain of MOS Cascode Amplifier, enter MOSFET Primary Transconductance (gmp), Finite Output Resistance (Rout) & Drain Resistance (Rd) and hit the calculate button.

FAQs on Output voltage gain of MOS Cascode Amplifier

What is the formula to find Output voltage gain of MOS Cascode Amplifier?
The formula of Output voltage gain of MOS Cascode Amplifier is expressed as Output Voltage Gain = -MOSFET Primary Transconductance^2*Finite Output Resistance*Drain Resistance. Here is an example- 49.24248 = -0.01977^2*350*360.
How to calculate Output voltage gain of MOS Cascode Amplifier?
With MOSFET Primary Transconductance (gmp), Finite Output Resistance (Rout) & Drain Resistance (Rd) we can find Output voltage gain of MOS Cascode Amplifier using the formula - Output Voltage Gain = -MOSFET Primary Transconductance^2*Finite Output Resistance*Drain Resistance.
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