[ARC5] 10 meter BC-454 a bit more

[Dennis Monticelli]

I was not aware that Stoddard had done it.  It's certainly not a technique
that lends itself well to low maintenance of equipment.  As soon as the
emission fell, the gain would be immediately affected.

As for lowering the B+, I could see that affecting partition noise, but not
anything happening around the cathode.

Dennis AE6C

On Thu, Mar 7, 2013 at 7:53 AM, David Stinson <arc5 at ix.netcom.com> wrote:

>
> ----- Original Message ----- From: "Dennis Monticelli" <
> dennis.monticelli at gmail.com>
>
>  ....If the tube is strong (has plenty of reserve emission)
>> it should be possible to cut back its cathode temp without adversely
>> impacting gain and improve the noise figure through Johnson noise
>> reduction.   Has anybody heard of this being tried?
>>
>
> Isn't this the way Stoddard did it with their DFing and noise-sampling
> equipment?
>