[sdiy] Dumb math question

[Roman]

yes,
but if it's attenuation, or gain of 1/3 that's most probably built as
invering amplifier, so it's average with reversed sign

Roman

----- Original Message -----
From: "jbv" <jbv.silences at club-internet.fr>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Monday, April 26, 2004 4:31 PM
Subject: [sdiy] Dumb math question


> Consider a 3 inputs mixer built around an op-amp,
> with a gain attenuation by a factor of 3.
> Can the output be considered as the average of the
> inputs, like in maths one can calculate the average
> of 3 values ?
>
> Thanks,
> JB
>
>