[sdiy] SSM2044 Frequency Range

John Speth jspeth at avnera.com
Thu Sep 3 02:38:06 CEST 2015


> I just built an SSM2044 based directly on the datasheet schematic. I'm
using
> 12 volt rails. The frequency range is less than expected. The most I get
is
> about 130:1, and when I adjust it for 1 volt/octave the range is about
100:1.
> Even when I run it on 15 volt rails I get about 370:1.
> This is far short of the 1000:1 the datasheet talks about.

Isn't the timing cap size and composition critical in this application?
Have you tried varying it?

JJS



More information about the Synth-diy mailing list