[sdiy] They aren't sawtooths, they're ramps

[Ian Fritz]

At 11:29 PM 11/4/2009, David G. Dixon wrote:
>This reminds me, I have now grafted the 2164 Expo onto the Thomas Henry
>triangle-core VCO-1, and laid out a very tight PCB (2.1" x 5.5") with very
>low parts count which also includes Ray Wilson's sine shaper (to use up the
>extra 13700) and a variable sync.  Simulations suggest that the tracking
>should be almost perfect, as it should be much easier to obtain excellent
>tracking with the VCO-1 then with JFET-switched saw-cores.

How fast is that switching in your simulation?  My best Tri's and Saw's 
aren't all that different regarding tracking. They both switch in ~200 ns.

Ian