On Tuesday, December 01, 2015 11:23:09 you
wrote:
> Yes, there are plenty of options for
normal Tx/Rx. In fact the
> existing C/O relay in the 137
transmitter provides more than enough
> isolation for that
>
> But I was on a separate active whip at
the time, a quite independent
> conenction and irrelevent to real
operation at the time. It was the
> fact that the active whip could shove
out such an alarmingly high
> level that concerned me - 13V very sharp
spikes. And I forgot to
> mention in the previous post, those 13V
edge spikes went to both +13V
> and -13V, so technically 26Vp-p
>
> Perhaps the homebrew designs others use
aren't so robust in their output
> stages?
>
For sharp spikes coming out from the cable I
suggest some ferrite bead or a VK200 choke on the receiver
input. I believe they have no attenuation at LF frequency.
73 de Claudio ik2pii
--
Claudio
Pozzi - rispondere a [email protected]
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