[Amps] AL-80B questions

[Tom Rauch]

----- Original Message -----
From: "rlm" <2 at vc.net>
To: <dj2001 at mn.rr.com>; " AMPS" <amps at contesting.com>
Sent: Sunday, March 09, 2003 10:30 AM
Subject: Re: [Amps] AL-80B questions


>
>
> Amplifiers that happen to have tubes with lower than average VHF
> amplification tend to be stable.

Lower VHF amplification tubes, or tubes not rated for VHF service, are
actually the most unstable tubes when used in HF PA's.

This is explained at:

http://www.w8ji.com/vhf_stability.htm

73 Tom