[sdiy] PUT source??

[media.nai at rcn.com]

>Farnell (www.farnell.com):
>
>	PartNo.		OrderCode	Price (UK Pounds)
>	-------		---------	-----------------
>	2N2646		290-282		2.29
>	2N6027		438-789		0.22
>	2N6028		290-300		0.22
>
>Hope this helps,

It does, at least I know they are still available here, as I'm sure they
aren't made in England :)

>And in USA, All Electronics has 2N6028 3 for $1., 100 for $25.
>This is your big chance to make a stylophone....

OK :)  What's a stylophone??

> Looks like Mouser stocks it, part # 610-2N6028.

That's odd.  Perhaps I left off the "2N" or something.

> What VCO circuit did you find? I remember Tom G.
>publishing a PUT VCO schematic using a 2N6028, but he
>said it was of fairly limited use, as it would only
>scale for an octave or so.

I think you can get a wider range out of a 6027, but this wasn't a VCO.
Obviuosly, I haven't tried building it yet, but it looks like a divider
that produces a saw rather than a pulse.