Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt) Solution

STEP 0: Pre-Calculation Summary
Formula Used
Output Resistance = Output Resistance of Current Amplifier/(1+Open Loop Gain of an Operational Amplifier*Feedback Factor)
Ro = Rcof/(1+A*β)
This formula uses 4 Variables
Variables Used
Output Resistance - (Measured in Ohm) - Output resistance is the value of resistance of the network.
Output Resistance of Current Amplifier - (Measured in Ohm) - Output Resistance of Current Amplifier with feedback is the resistance across the output terminals of a current amplifier.
Open Loop Gain of an Operational Amplifier - The Open Loop Gain of an Operational Amplifier is gain of an op-amp without feedback. It is denoted as A.
Feedback Factor - The feedback factor of an op-amp application defines the circuit performance.
STEP 1: Convert Input(s) to Base Unit
Output Resistance of Current Amplifier: 8.388 Kilohm --> 8388 Ohm (Check conversion here)
Open Loop Gain of an Operational Amplifier: 2.2 --> No Conversion Required
Feedback Factor: 0.454 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ro = Rcof/(1+A*β) --> 8388/(1+2.2*0.454)
Evaluating ... ...
Ro = 4196.51791074645
STEP 3: Convert Result to Output's Unit
4196.51791074645 Ohm -->4.19651791074645 Kilohm (Check conversion here)
FINAL ANSWER
4.19651791074645 4.196518 Kilohm <-- Output Resistance
(Calculation completed in 00.004 seconds)

Credits

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Birsa Institute of Technology (BIT), Sindri
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3 Shunt Feedback Amplifiers Calculators

Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt)
Go Output Resistance = Output Resistance of Current Amplifier/(1+Open Loop Gain of an Operational Amplifier*Feedback Factor)
Input Resistance with Feedback of Feedback Transresistance Amplifier (Shunt-Shunt)
Go Input Resistance with Feedback = Input Resistance/(1+Open Loop Gain of an Operational Amplifier*Feedback Factor)
Open Loop Gain of Feedback Transresistance Amplifier (Shunt-Shunt)
Go Open Loop Gain of an Operational Amplifier = Output Voltage/Input Current

Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt) Formula

Output Resistance = Output Resistance of Current Amplifier/(1+Open Loop Gain of an Operational Amplifier*Feedback Factor)
Ro = Rcof/(1+A*β)

What does a Transresistance amplifier do?

A transresistance amplifier (TIA) converts current to voltage. Transimpedance amplifiers can be used to process the current output of photodiodes, pressure transducers, accelerometers, and other types of sensors to a voltage formatted as useable signal output.

How to Calculate Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt)?

Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt) calculator uses Output Resistance = Output Resistance of Current Amplifier/(1+Open Loop Gain of an Operational Amplifier*Feedback Factor) to calculate the Output Resistance, The output resistance of feedback transresistance amplifier(shunt-shunt) formula is defined as the actual output resistance of the Feedback Transresistance Amplifier excluding the Load Resistance. Output Resistance is denoted by Ro symbol.

How to calculate Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt) using this online calculator? To use this online calculator for Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt), enter Output Resistance of Current Amplifier (Rcof), Open Loop Gain of an Operational Amplifier (A) & Feedback Factor (β) and hit the calculate button. Here is how the Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt) calculation can be explained with given input values -> 0.004197 = 8388/(1+2.2*0.454).

FAQ

What is Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt)?
The output resistance of feedback transresistance amplifier(shunt-shunt) formula is defined as the actual output resistance of the Feedback Transresistance Amplifier excluding the Load Resistance and is represented as Ro = Rcof/(1+A*β) or Output Resistance = Output Resistance of Current Amplifier/(1+Open Loop Gain of an Operational Amplifier*Feedback Factor). Output Resistance of Current Amplifier with feedback is the resistance across the output terminals of a current amplifier, The Open Loop Gain of an Operational Amplifier is gain of an op-amp without feedback. It is denoted as A & The feedback factor of an op-amp application defines the circuit performance.
How to calculate Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt)?
The output resistance of feedback transresistance amplifier(shunt-shunt) formula is defined as the actual output resistance of the Feedback Transresistance Amplifier excluding the Load Resistance is calculated using Output Resistance = Output Resistance of Current Amplifier/(1+Open Loop Gain of an Operational Amplifier*Feedback Factor). To calculate Output Resistance of Feedback Transresistance Amplifier(Shunt-Shunt), you need Output Resistance of Current Amplifier (Rcof), Open Loop Gain of an Operational Amplifier (A) & Feedback Factor (β). With our tool, you need to enter the respective value for Output Resistance of Current Amplifier, Open Loop Gain of an Operational Amplifier & Feedback Factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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