[Amps] re: EBS at soft or quiet moments

[Steve Thompson]

----- Original Message ----- 
From: <wb8jkr at juno.com>
To: <nospam4me at juno.com>
Cc: <amps at contesting.com>
Sent: 01 August 2003 18:21
Subject: Re: [Amps] re: EBS at soft or quiet moments


> There is a way to clean up EBS circuits, I did it a number of
> years ago and have never once had comment that the improvement
> isn't short of spectacular. I have a 4CX250B 2 meter amp I built
> a number of years ago that uses EBS due to the fact that the tube
> idles at near full dissipation. I get great reports on the signal
> even with relatively close in stations, and I can switch the
> EBS in and out of circuit for comparison.
>  At any rate, all you need to do is install a 5-10 ufd 100-150
> volt electrolytic capacitor across the bias swtiching transistor.
>  When cathode current begins to flow the charging of the capacitor
> will provide a path for current flow just long enough for the switching
> transistor to saturate. Sounds simple as hell, but I can tell you it
> works
> quite well. 
Which supply are you switching with the transistor?

Thanks,

Steve