[sdiy] basic inverting op amp question 101
fluxmonk at gmail.com
Mon Dec 30 14:17:41 CET 2019
(please excuse the noobiness)....
in a basic inverting op-amp circuit, where the input and feedback resistors
are equal, the gain will be -1... but what are the pros/cons that determine
the choice resistor value? i commonly see/have used 1k, 10k, 47k, 100k in
synth circuits, but what design considerations drive those choices of
values? my immediate application is basic output buffers on a LFO, and 1k
seems to be working fine, but it got me to thinking (uh oh).
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