Input Signal Circuit for P1
What circuit (& choice of op-amp) should be used for the input signal?
I'm tempted to just use the 'adder input' circuit from the 4PStat, wholesale; but do we need the same 'fancy' op-amp for the EC application?
![adder_inputs](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)
Edited
by
Don Blair