[sdiy] Synthex Oscillator

[rsdio at audiobanshee.com]

On Jul 9, 2017, at 4:10 AM, Gordonjcp <gordonjcp at gjcp.net> wrote:
> On Sat, Jul 08, 2017 at 09:07:35PM -0700, rsdio at audiobanshee.com wrote:
>> The analog switch at 2N is bizarre, because it either grounds the cap or connects it to +5V, depending upon the MSB of the "DAC" so I'm not quite sure what to make of that without seeing circuitry off the provided schematic.
> 
> The analogue switch 2N pin 1/2/13 switches the square wave output on and
> off.  Look to the right of the diagram and you can see on the trace
> leading to it there's a "|-|_1" symbol.

I grabbed the full schematic and see that it's as you describe: a static switch. It doesn't really change in the middle of a cycle.

Brian