[Amps] Initial test of 813 amplifier

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Sun, 15 Aug 2010 00:04:22 -0700, Vic K2VCO <vic at rakefet.com> wrote:

>Here's my question: Should I bother with this oscillation at this point? Or is it normal 
>to have instability when no load is connected to the amplifier?
>
>I suppose the fact that there's no enclosure or bottom plate is also a cause...

REPLY:

The amp should be stable with or without a load (both input and
output), but the shields should be in place too. Try it again when
they are. 

Is there a VHF parasitic suppressor?

73, Bill W6WRT