[GreenKeys] How hot is too hot? (Teletype 32)

Rob Doyle radioengr at gmail.com
Mon Sep 5 18:56:33 EDT 2022


Doesn't the model 32 have a 20mA current loop?

Rob.

On 9/5/2022 8:31 AM, Andy KN4UCL wrote:
> Hey Jeff - I did a modification to some of the resistors to change from 
> 60 to the 40ma loop current (European) standard used by i-Telex. Apart 
> from the heat, it seems to run i-Telex just fine 😁  Attached is a 
> better photo (red circle where things are hot) ... cheers!
> 
> IMG_9582.JPG


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