HFU HF Underground

General Category => For Sale / Wanted / Barter => Topic started by: Stretchyman on November 30, 2018, 1803 UTC

Title: 40W GaN Portable Tx
Post by: Stretchyman on November 30, 2018, 1803 UTC
Only a few left now.

Programmable to ANY frequency from 1-8MHz. B/W is 200KHz as its class E.

40W carrier so 160W pep. 24V.

6x4x2, 2lb, so small enough to fit in a jacket pocket.

Will supply programmer and instructions.

Pics on eBay; SHORTWAVE 40W A.M (160W PEP) TRANSMITTER.

Please PM me for discount.

Stretchy.

Title: Re: 40W GaN Portable Tx
Post by: Monophonia on December 02, 2018, 0407 UTC
Email sent!
You make good stuff.
Title: Re: 40W GaN Portable Tx
Post by: Stretchyman on December 02, 2018, 0914 UTC
Thanks for the flowers!

Many, many hours testing on this design.

Didn't want any complaints from the SDR Googlers!

I've found it will easily cover 1MHz, so 6.0-7.0 MHz with 40W o/p and >90% efficiency.

The 40W is also VERY conservative but wanted to keep it reliable and the cooling requirements minimal. A small integral fan is included.

Class D modulator, 160 size MT, Class D/E GaN generator with AD9833 programmable DDS.

No junk box components, All the latest tech.

Str.

Title: Re: 40W GaN Portable Tx
Post by: Stretchyman on December 07, 2018, 1856 UTC
It's in the post!