4. An improved multiple-input op-amp summer can be analyzed more easily than the one in Figure 3. This is because the general design equation can be expressed more simply (Equation 4).

Article updated 10/04/22. Chau Tran and Brian Rousseau, Analog Devices, 804 Washburn St., Wilmington, MA 01887. The schematic in Figure 1 is a common summing amplifier with multiple inputs and one ...

In the circuit, R1 and R2 have been chosen such that R2 = 2R1. So the voltage at Vb = -2Vin. Thus during the positive half cycle of the rectified voltage Vb is applied to terminal B of the inverting ...

When you need to use multiple sensors with analog outputs in a measurement system, each sensor may respond differently to a known stimulus. As a result, you'll probably need to calibrate the system.