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Output Resistance with Feedback Voltage Amplifier Formula

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Output Resistance of Voltage Amplifier with feedback is the resistance across the output terminals of a current amplifier. Check FAQs

R vof = \frac{R o}{1 + Aβ}

R_vof - Output Resistance of Voltage Amplifier?R_o - Output Resistance?Aβ - Loop Gain?

Output Resistance with Feedback Voltage Amplifier Example

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Here is how the Output Resistance with Feedback Voltage Amplifier equation looks like with Values.

Here is how the Output Resistance with Feedback Voltage Amplifier equation looks like with Units.

Here is how the Output Resistance with Feedback Voltage Amplifier equation looks like.

0.6472 = \frac{2.33}{1 + 2.6}

0.6472kΩ = \frac{2.33kΩ}{1 + 2.6}

0.6472 = \frac{2.33}{1 + 2.6}

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Output Resistance with Feedback Voltage Amplifier Solution

Follow our step by step solution on how to calculate Output Resistance with Feedback Voltage Amplifier?

FIRST Step Consider the formula

R vof = \frac{R o}{1 + Aβ}

Next Step Substitute values of Variables

∴

R vof = \frac{2.33kΩ}{1 + 2.6}

Next Step Convert Units

∴

R vof = \frac{2330Ω}{1 + 2.6}

Next Step Prepare to Evaluate

∴

R vof = \frac{2330}{1 + 2.6}

Next Step Evaluate

∴

R vof = 647.222222222222Ω

Next Step Convert to Output's Unit

∴

R vof = 0.647222222222222kΩ

LAST Step Rounding Answer

∴

R vof = 0.6472kΩ

Output Resistance with Feedback Voltage Amplifier Formula Elements

Variables

Output Resistance of Voltage Amplifier

Output Resistance of Voltage Amplifier with feedback is the resistance across the output terminals of a current amplifier.

Symbol: R_vof

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Output Resistance of Voltage Amplifier

Output Resistance

Output resistance is the value of resistance of the network.

Symbol: R_o

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Output Resistance

Loop Gain

The loop gain is calculated by imagining the feedback loop is broken at some point and calculating the net gain if a signal is applied.

Symbol: Aβ

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Loop Gain

Other formulas in Voltage Feedback Amplifiers category

Go Amount of Feedback Given Loop Gain

F am = 1 + Aβ

Go Closed-Loop Gain as Function of Ideal Value

A cl = (\frac{1}{β}) \cdot (\frac{1}{1 + (\frac{1}{Aβ})})

Go Gain with Feedback of Feedback Amplifier

A f = \frac{A}{F am}

Go Gain at Mid and High Frequencies

µ = \frac{A m}{1 + (\frac{s}{ω hf})}

How to Evaluate Output Resistance with Feedback Voltage Amplifier?

Output Resistance with Feedback Voltage Amplifier evaluator uses Output Resistance of Voltage Amplifier = Output Resistance/(1+Loop Gain) to evaluate the Output Resistance of Voltage Amplifier, Output Resistance with Feedback Voltage Amplifier refers to the resistance that appears across the output of an amplifier when feedback is applied to the input. Output Resistance of Voltage Amplifier is denoted by R_vof symbol.

How to evaluate Output Resistance with Feedback Voltage Amplifier using this online evaluator? To use this online evaluator for Output Resistance with Feedback Voltage Amplifier, enter Output Resistance (R_o) & Loop Gain (Aβ) and hit the calculate button.

FAQs on Output Resistance with Feedback Voltage Amplifier

What is the formula to find Output Resistance with Feedback Voltage Amplifier?

The formula of Output Resistance with Feedback Voltage Amplifier is expressed as Output Resistance of Voltage Amplifier = Output Resistance/(1+Loop Gain). Here is an example- 0.000647 = 2330/(1+2.6).

How to calculate Output Resistance with Feedback Voltage Amplifier?

With Output Resistance (R_o) & Loop Gain (Aβ) we can find Output Resistance with Feedback Voltage Amplifier using the formula - Output Resistance of Voltage Amplifier = Output Resistance/(1+Loop Gain).

Can the Output Resistance with Feedback Voltage Amplifier be negative?

No, the Output Resistance with Feedback Voltage Amplifier, measured in Electric Resistance cannot be negative.

Which unit is used to measure Output Resistance with Feedback Voltage Amplifier?

Output Resistance with Feedback Voltage Amplifier is usually measured using the Kilohm[kΩ] for Electric Resistance. Ohm[kΩ], Megohm[kΩ], Microhm[kΩ] are the few other units in which Output Resistance with Feedback Voltage Amplifier can be measured.

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Output Resistance with Feedback Voltage Amplifier Formula

Output Resistance with Feedback Voltage Amplifier Example

Output Resistance with Feedback Voltage Amplifier Solution

Output Resistance with Feedback Voltage Amplifier Formula Elements

Other formulas in Voltage Feedback Amplifiers category

How to Evaluate Output Resistance with Feedback Voltage Amplifier?

FAQs on Output Resistance with Feedback Voltage Amplifier

Variable Name