[sdiy] HPFs and ADSRs

[Aaron Lanterman]

On Jun 6, 2010, at 2:53 PM, Tim Stinchcombe wrote:

> In the book 'Active Filters for Integrated Circuits', Heinlein & Holmes
> (1974) introduce this topology as a derivative of the Sallen-Key, in a
> section entitled 'Kundert Filters', and indeed the main reference there is:

Ah, yes! "Kundert," that was the name I had seen before but couldn't remember.

- Aaron