and integrators via complex patch panels. The use of analog computing was on the way out, being displaced by digital computers, so I can’t say I got much out of the computing part of the class. I did ...

In real life, it’s a bit more complex ... in the op-amp input.1 C9 and C10 can be replaced by adjustable shunt regulators and R3 and R4 by current sources or followers. Then the circuit will ...

This is one of the reasons why so many designers have shied away from using non-inverting inputs in their op-amp summer circuits. You could set up a spreadsheet to crunch the numbers, but that ...