[Elecraft] Strange IF Overload problem with XV50

Eric Swartz - WA6HHQ, Elecraft eric at elecraft.com
Thu Feb 24 20:48:57 EST 2005


Hi Marcus,

The XV50 is relay T/R switched and like most transverters can not handle 
a T/R setting that allows hearing between letters at 20 WPM. I suggest 
setting the K2 T/R time a little longer.

73, Eric  WA6HHQ


Marcus Busch [DL1EKC] wrote:
> Hi Elecrafters,
> 
> just finished my XV50 and hooked everything up with my K2. So far all is 
> fine, but I have a strange problem with the XV50:
> 
> I have set the t-r time to 0.05 s (semi break-in) and every now and then 
> the XV50 goes into IF overload condition (all LEDs flashing).
> 
> As I couldn't believe my K2 would do hot switching I set K2 in TEST mode 
> (no output power) ... AND ... with 0.0 mW my XV50 still goes into IF 
> overload condition.
> 
> This doesn't happen regularly, but it does happen too often to ignore. Of 
> course I could go to longer t-r times and forget about listen between the 
> letters, but I don't believe my XV50 does behave normal.
> 
> Did anyone else here notice this?
> 
> PS: 
> Of course 8R is set to hold, keying speed around 20 WpM, but the speed 
> doesn't seem to have any effect.


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