A summing amplifier is an electronic circuit that adds voltages. A summing amplifier has two inputs and an output that is different from the two input voltages. If one of the inputs is less than 1.0 V and the other is more than 1.5 V, the output will be less than 2.5 V.
Let's Get It Fixed!
HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.