[hpsdr] Thor
Jeroen Bastemeijer
j.bastemeijer at tudelft.nl
Fri Apr 17 00:48:04 PDT 2009
Hi Phil and Frank,
Phil, thank you for the confirmation. Frank, I think (hope) that your
mail to the HPSDR list was triggered by the short discussion about the
power supply for Thor.
Quote from Franks e-mail: "48 volts with a 1:2 output transformer will
yield about 300 watts"
Can I "convert" that to a 150 Watts PA at 48V without a transformer? Or
is the transformer essential for impedance matching? What would be the
maximum operating frequency with and without the output transformer?
In short: Based on your experience would a 100 Watt PA working from 160m
to 10m, powered from 48Volts be feasible? Or would it even be doable
from 24Volts?
Looking forward to your answer,
73 Jeroen PE1RGE
Phil Harman wrote:
> Hi Jeroen,
>
>
>> Can I make the assumption that when Demeter gives a voltage of
>> 48Volts Thor is able to produce (approximately) 100Watts of output
>> power? This combination (HPSDR, Thor and Demeter) would make a nice
>> mobile station, with a very high energy efficiency!
>>
> That would be fine.
>
> 73's Phil...VK6APH
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