[hpsdr] Demeter PSU design

[Graham Haddock]

Jerry:

ALEX is fine anywhere from 12.0 to 13.8, probably beyond that some.
I can not speak for the rest of the boards.

I hope that this is this is the kind of information that Jeroen could 
pull together.

--- Graham / KE9H

==

Jerry Flanders wrote:
> Can the +12V supply actually be a +13.6V supply?
>
> What other voltages are tolerable with the present set of boards?
>
> Jerry W4UK
>
> At 09:59 PM 6/30/2008, Graham Haddock wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Jeroen:
>>
>> For the record, and your power supply planning, total power 
>> consumption for
>> ALEX varies over a range of 90 to 180 mA., all from the +12 volt supply.
>> 90 mA is with 12.0 volt supply, minimum number of relays active.
>> 180 mA is with 13.8 Volt supply, 50 MHz transmit, 50 MHz preamp. on,
>> and both receive attenuators active, all LEDs on.
>>
>> --- Graham / KE9H
>>
>> ==
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