[600MRG] Homebrew Tube Transmitter
Goody K3NG
goody.k3ng at gmail.com
Wed Jan 31 07:42:19 EST 2018
Thank you everyone for the responses! I'm overwhelmed with all the useful
feedback. This is a great group.
On Sun, Jan 28, 2018 at 8:55 AM, Goody K3NG <goody.k3ng at gmail.com> wrote:
> Greetings. I've had on my to do list this tube rig project:
> http://www.qsl.net/wd8das/dream.html . It's a 40 meter CW transmitter
> with two 807s. It would be my first tube rig project.
>
> I'm now thinking instead of building this for 40 meters, a band for which
> I naturally have numerous rigs in the shack, building it for 630 instead.
> This would kill two birds with one stone, build a tube rig and get on 630.
>
> Any thoughts on converting this rig to 630? I'm going to figure out some
> way around using a crystal. For the rest of the rig, could I simply scale
> the various band specific components, like the oscillator tank and the PA
> output pi network? Presumably the plate choke will need to be a
> considerably higher value? Perhaps also put in 0.1 uF caps where there are
> 0.01 uF bypass caps?
>
> 73
> Goody
> K3NG
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/600mrg/attachments/20180131/031ae5db/attachment.html>
More information about the 600MRG
mailing list