[sdiy] saw vs ramp, audible?
Gordonjcp
gordonjcp at gjcp.net
Mon Dec 9 12:05:41 CET 2024
On Sun, Dec 08, 2024 at 02:43:50PM -0800, Donald Tillman wrote:
> Note that a sawtooth ramping down has all the harmonics in phase with the fundamental.
>
> And a sawtooth ramping up has its harmonics alternating in phase (+1, -1/2, +1/3, -1/4,...) from the fundamental.
>
> So when you want to combine a sawtooth with, say, a square wave, one will make an awful lot more intuitive sense than the other. This is extremely important to people, like myself, who combine waveforms a lot.
So does it make a difference what the phase of the squarewave is when you add it?
I'm trying to remember how the sawtooth and sawtooth+square on the Juno 106 looks, having recently been poking around with a sillyscope in there. Its output is AC-coupled so it's unlikely to make much difference to a valve amp :-)
--
Gordonjcp
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