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Re: [Amps] Parasitics & Filament Sag

To: "Mike Sawyer" <w3slk@uplink.net>
Subject: Re: [Amps] Parasitics & Filament Sag
From: R L Measures <r@somis.org>
Date: Tue, 29 Aug 2006 22:58:04 -0700
List-post: <mailto:amps@contesting.com>
On Aug 29, 2006, at 9:27 AM, Mike Sawyer wrote:

> Rich said:
>
> "813s don't need a VHF suppressor because they are pushing the limit
> at 28MHz."
>
> On the contrary, I remember seeing a single 813 amp for 50Mhz in a  
> handbook
> somewhere.

I had trouble getting mine to play on 10m.

> Also, my problem was spur generation in the VHF region. Now
> whether other components were involved with this, I don't know. I  
> do know
> that the spurs were eliminated after the nichrome suppressors were
> installed.

Did the 813 have a metal anode or a carbon anode?

> Mod-U-Lator,
> Mike(y)
> W3SLK
>
>

R L MEASURES, AG6K. 805-386-3734
r@somis.org



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