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Amplifiers
Input Resistance with Feedback in Feedback Amplifiers Formulas
The input resistance with feedback of a feedback amplifier is equal to the source impedance for which loop gain would drop to unity. And is denoted by R
inf
. Input Resistance with Feedback is usually measured using the Kilohm for Electric Resistance. Note that the value of Input Resistance with Feedback is always positive.
Formulas to find Input Resistance with Feedback in Feedback Amplifiers
f
x
Input Resistance with Feedback of Feedback Voltage Amplifier Given Loop Gain
Go
f
x
Input Resistance with Feedback of Feedback Transresistance Amplifier (Shunt-Shunt)
Go
f
x
Input Resistance with Feedback of Feedback Transconductance Amplifier (Series-Series)
Go
f
x
Input Resistance with Feedback Current Amplifier
Go
List of variables in Feedback Amplifiers formulas
f
x
Input Resistance
Go
f
x
Loop Gain
Go
f
x
Open Loop Gain of an Operational Amplifier
Go
f
x
Feedback Factor
Go
FAQ
What is the Input Resistance with Feedback?
The input resistance with feedback of a feedback amplifier is equal to the source impedance for which loop gain would drop to unity. Input Resistance with Feedback is usually measured using the Kilohm for Electric Resistance. Note that the value of Input Resistance with Feedback is always positive.
Can the Input Resistance with Feedback be negative?
No, the Input Resistance with Feedback, measured in Electric Resistance cannot be negative.
What unit is used to measure Input Resistance with Feedback?
Input Resistance with Feedback is usually measured using the Kilohm[kΩ] for Electric Resistance. Ohm[kΩ], Megohm[kΩ], Microhm[kΩ] are the few other units in which Input Resistance with Feedback can be measured.
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