gain formula

xplod1236 · 6th April 2004, 04:15 PM

what is the gain formula for an inverted and a non-inverted lm3886?

hitsware · 6th April 2004, 04:47 PM

where Rf is the resistor from output to - input and Ri is the resistor from - input to ground (or input)
non-invert: Av=1 + (Rf / Ri)
invert: Av= Rf / Ri

6th April 2004, 04:15 PM	#1
xplod1236 diyAudio Member Join Date: Dec 2003 Location: On the couch	gain formula what is the gain formula for an inverted and a non-inverted lm3886?

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6th April 2004, 04:47 PM	#2
hitsware diyAudio Member Join Date: Mar 2002	where Rf is the resistor from output to - input and Ri is the resistor from - input to ground (or input) non-invert: Av=1 + (Rf / Ri) invert: Av= Rf / Ri

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