[sdiy] Two ways of mixing modulation routes

[mskala at ansuz.sooke.bc.ca]

On Fri, 6 Jan 2017, David G Dixon wrote:
> Summing into a buffer gives an average rather than a sum.  Perhaps that's
> what they were after here?  The resulting amplitude would be same as the
> incoming signals and not twice as large.

Seems like the inverting mixer can address this, with even more
flexibility, by choosing the feedback resistor appropriately.

-- 
Matthew Skala
mskala at ansuz.sooke.bc.ca                 People before principles.
http://ansuz.sooke.bc.ca/