[sdiy] Multimode filter topology

[KA4HJH]

>Incidentally, am I correct in my interpretation (from the schematic in the
>article) that the way to convert a 1P LP stage to allpass is to connect both
>the resistor (OTA input) and the capacitor to the input signal?

All I can say is that's the way I always saw it done. The more subtle
details are over my head. Turning scans back into text-based documents is
more my thing.

-- 

Terry Bowman, KA4HJH
"The Mac Doctor"