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RE: Questions about SDR transponders...



Hi William

> On the other hand I seen some words about "flying on P3e or Eagle".
> This makes me little aftraid, and also more interrested in the electrical
> specifications.
>
> Something I would like to know is how much battery power such a SDR
> transponder will take.
> With such high speeds these electronics will propably generate lot of heat
> too...

The specification we used for the STELLA DSP was to limit ourselves to 1W
dissipation from the 10.7MHz IF in to the 10.7MHz IF out. We carefully chose
devices based on this requirement, and it's already meant we had to redesign
the entire hardware design once.

73, Howard G6LVB
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