Similar Questions -

1. Explain how op-amp can be used as summing, calling and averaging amp in inverting configuration.

2. Explain how operational amp can be used for addition of two AC signals with one DC signal

3. Explain how op-amp can be used as a averaging amp in inverting configuration

4. Explain how operational amp can be used for taking average of three signals.

Inverting Adder/ Summing Amplifier:

$V_1,V_2,V_3→ 3 i/p$ signals simultaneously applied to inverting terminal of op-amp through $R_1,R_2$ and $R_3$

Voltages are measured w.r.t. grid. $R_f$ is feedback resistor connected between the o/p terminal and inverting i/p terminal of op-amp. The non – inverting i/p terminal →

KCL at node A. …