S sameng New Member Dec 27, 2011 #1 hi can anybody tell what factor opamp determine the 3db gain when it is used as amplifier ?
crutschow Well-Known Member Most Helpful Member Dec 27, 2011 #2 What type of amplifier, inverting or non-inverting?
audioguru Well-Known Member Most Helpful Member Dec 28, 2011 #3 3dB is a voltage gain of 1.414 or a cut of 0.707. It is a power gain of 2 and a power cut of 0.5.