Determine the expression of output voltage for inverting summing amplifier consisting of four internal resistors? (Assume the value of internal resistors to be equal)a.Vo= R/Rf × (Va+Vb+Vc+Vd)b.Vo= Rf/R × (Va+Vb+Vc+Vd)c.None of the mentionedd.Vo= -Rf/R × (Va+Vb+Vc+Vd)
Question
Determine the expression of output voltage for inverting summing amplifier consisting of four internal resistors? (Assume the value of internal resistors to be equal)a.Vo= R/Rf × (Va+Vb+Vc+Vd)b.Vo= Rf/R × (Va+Vb+Vc+Vd)c.None of the mentionedd.Vo= -Rf/R × (Va+Vb+Vc+Vd)
Solution
To determine the expression of the output voltage for an inverting summing amplifier consisting of four internal resistors, we can use the formula:
Vo = -Rf/R × (Va + Vb + Vc + Vd)
In this formula, Rf represents the feedback resistor, R represents the internal resistor (assuming all internal resistors have the same value), and Va, Vb, Vc, and Vd represent the input voltages.
Therefore, the correct answer is option d: Vo = -Rf/R × (Va + Vb + Vc + Vd).
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