[TRLog] Optocoupler switching time?

Tree N6TR n6tr@teleport.com
Wed, 29 Jul 1998 06:35:26 -0700 (PDT)

> For those of you using optocouplers in your radio keying lines, 
> have you noticed that the speed of the device makes any difference?
> The optocouplers I've come across are 5 microsecond switching time. 
> I now understand that there are faster ones out there (2 uS.)
> Has anyone noticed if the switching speed makes any real difference?

Since the life of CW elements are measured in milliseconds, not 
microseconds, the difference will be insignificant.  


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