Converting TTL monitor to Analog

From: Bill Pechter <pechter_at_bg-tc-ppp1580.monmouth.com>
Date: Wed May 9 08:23:46 2001

> "TTL" refers to Transistor/Transistor Logic. Low usually .5VDC to zero, high >~4VDC, usually 5VDC.
>
> IIRC "ECL" is Emitter Coupled Logic. Don't remember the voltage levels.
>
> Bob Mason

I think ECL had -3 volts as one of the levels... don't remember the rest
but I thought it was +10 or +12v.

Anyone here ever service a DEC KL10 and know?

Bill
Received on Wed May 09 2001 - 08:23:46 BST