[sdiy] [AH] Buchla 192 design [was: Buchla used for Silver Apples of the Moon]

[Aaron Lanterman]

On Jun 26, 2010, at 4:06 PM, cheater cheater wrote:

> ah right, ok makes sense. i wonder if you ever ended up trying that
> hammond filter with another high pass filter, to see what happens?

No, just getting it working was enough trouble.

> can i just put any HPF in an op amp's feedback loop to get an lpf?

Putting some "thing" in the negative feedback loop kind of undoes the effect of that "thing" - there's good discussion of this notion in Horowitz and Hill.

- Aaron