On Fri, Oct 26, 2018 at 10:37 AM, Michael Trager wrote:
Anyone know what the purpose of the blue pot on the Raduino...contrast ?
Yes, contrast.
Distorted in what way, tones and pitch are off or voices only squeeky or bassy?
Elaborate?
Its not a DDS it is a NCO (Numerically Controlled Oscillator, a fancy PLL) and the
normal output is square wave.
if PTT changes frequency you have a wiring error or grounding issue.
