= Op-Amps, Comparator Circuit by Renesas
Publisher: Renesas. https://www.renesas.com/en/support/engineer-school/electronic-circuits-03-op-amps-comparator-circuit
Introduction to Electronic Circuits, session 3 of 3. Op-Amp Basics (1), Figure 2 and its resistance-ratio derivation, gives the inverting closed-loop gain $V_{\rm out}/V_{\rm in}=-R_2/R_1$. Op-Amp Basics (2), Figure 3, gives the non-inverting gain $1+R_2/R_1$. The opening discussion distinguishes signal connections from supply connections and describes negative feedback. No individual byline or publication date is stated here.
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