[GreenKeys] Model 28 signal lines

[Jeffrey Angus]

On 10/16/19 5:19 PM, Paul Heller wrote:
> Barry,
>
> My only point, and others may disagree, is that 48v is not
> enough.
>
> Paul
> W2TTY
It is only just barely enough.
Loop supplies should be 120-130 VDC open loop.
The reason for this is based on the time constants and the
requirement for a fast rise time from Space to Mark.

-- 
"I am a river to my people."
Jeff-1.0
WA6FWI
www.foxsmercantile.com

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