[AMPS] Clipperton L on 10 Meters

[Steve Iezzi]

> Hi Steve,
>
> > Has anyone had any success operating the Clipperton L on 10 meters.
> > There's a switch position for the band but the amp tends to run
> away when
> > I tune it up.
>
> That's a common problem with tube having high feedthrough
> capacitance.
>
> The amp isn't neutralized, and feedback can exceed loss under
> some tuning conditions.
>
> The best cure for that problem is to neutralize the amp. If you don't
> want to do that, make sure you have a LONG input cable and
> always run the loading control up towards  the open position.
>

How would go about designing and testing a neutralization circuit.  This
seems like an interesting project...

Thanks again,

Steve


--
FAQ on WWW:               http://www.contesting.com/ampfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm