[NLRS] 3456 to 3400

[Zack Widup]

I recently built a new 3456/3400 MHz transverter. I'm using a DigiLO and a
W1GHZ transverter board that uses pipe cap filters. The modification is
trivial. I mounted a DIP switch on the DIGILO, which has the LO frequency
for 3400 programmed in, so all I have to do is set the DIP switch. The
other adjustments are done with the pipe cap filters.

I added a WD5AGO preamp and a 10 watt power amp to it. It worked very well
on 3456 a month ago on a Microwave Activity Day. I think it will work quite
well on 3400.

73, Zack W9SZ

On Wed, Apr 27, 2022 at 9:50 AM Jon Platt via NLRS <nlrs at mailman.qth.net>
wrote:

> For those of us with a DEMI or a DB6NT 3456 transverter, here are some
> tips for how to move them to 3400.
> For the DEMI transverter, Steve has tips for how to do this on his website
> as Design Note DN038, DN039, and DN040<
> https://www.downeastmicrowave.com/articles.asp?ID=255>
>  ..For the DB6NT transverter, W8ZN has a technical tip on how he did this
> on his Directive Systems website at:<
> https://directivesystems.com/wp-content/uploads/sites/2/2022/01/Converting-a-DB6NT-3456-MHz-transverter-to-3400-MHz.pdf
> >
>  ..73, JonW0ZQ
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