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Feedback Factor in Feedback Amplifiers Formulas

The feedback factor of an op-amp application defines the circuit performance. And is denoted by β.

Formulas to find Feedback Factor in Feedback Amplifiers

fxFeedback Factor of Feedback Amplifier​Go

Feedback Amplifiers formulas that make use of Feedback Factor

fxGain with Feedback at Mid and High Frequency​Go
fxLower 3-DB Frequency in Bandwidth Extension​Go
fxUpper 3-DB Frequency of Feedback Amplifier​Go
fxOutput Voltage of Feedback Voltage Amplifier​Go
fxInput Resistance with Feedback of Feedback Transresistance Amplifier (Shunt-Shunt)​Go
fxOutput Resistance of Feedback Transresistance Amplifier(Shunt-Shunt)​Go
fxInput Resistance with Feedback of Feedback Transconductance Amplifier (Series-Series)​Go
fxOutput Resistance with Feedback of Feedback Transconductance Amplifier​Go
fxClosed-Loop Gain as Function of Ideal Value​Go
fxError Signal​Go
fxFeedback Signal​Go

List of variables in Feedback Amplifiers formulas

fx Input Signal Feedback ​Go
fx Signal Output ​Go

FAQ

What is the Feedback Factor?
The feedback factor of an op-amp application defines the circuit performance.
Can the Feedback Factor be negative?
{YesorNo}, the Feedback Factor, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.
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