|
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]
----
ZE-Light e ZE-Pro: servizi zimbra per caselle con dominio email.it, per tutti i dettagli clicca qui
Sponsor:
Soluzioni di email hosting per tutte le esigenze: dalle caselle gratuite a quelle professionali su piattaforma Zimbra, da quelle su proprio dominio a quelle certificate PEC. Confronta le soluzioni
Clicca qui
| 