^ I agree with Jorg. The gain from the +input is (R11/R9)+1=+2 while the gain from the -input is only R11/R9=-1. Search for "Differential operational amplifier" and you'll see the resistor that Jorg speaks of, which will make the +input gain +1.
Statistics: Posted by JimY — Wed Aug 14, 2024 1:32 pm
