[GreenKeys] New Teletype Model 28 ASR

[William Wuttke]

Hi Jim,

Very interesting…  These are the ones I’ve been looking for. Now you got the “gears turning”. Another order from Digi-Key.

Thanks,
Bill
KE3BK

> On Jul 28, 2019, at 2:57 PM, Jim Haynes <jhhaynes at earthlink.net> wrote:
> 
> Instead of optoisolators I would suggest solid state relays, which
> can handle lots more voltage and current and have more gain.
> Attached is someone's list of them
> 
> 	---
> 
> 	"Ya can argue all ya wanna, but it's dif'rent than it was."
> 	"No it ain't! No it ain't!  But ya gotta know the territory."
> 		Meredith Willson, The Music Man<loop_keyers.pdf>