I've had good luck with the f3k and the Gama Research HPS-1a supply:

http://www.gammaresearch.net/hps-1a.html

-Larry

On May 17, 2011, at 5:57, Brian Lloyd <[email protected]> wrote:

> On Mon, May 16, 2011 at 4:14 PM, Graham Haddock <[email protected]>wrote:
> 
>> Just one additional comment...
>> 
>> I cringe when I hear talk about using wallwarts to power the FLEX-1500.
>> 
>> They will work great in receive.
>> 
>> BUT the transmitter will work better (stay more linear) with a power supply
>> that
>> does not move up and down in voltage as the load goes up and down.  Most
>> wallwarts have high internal resistance as part of their consumer
>> protection.
>> 
> 
> Even the little switchers? The old transformer types were awful.  I haven't
> tried to measure one of the switchers under load. I thought that they would
> just drop out under overload rather than sag.
> 
> 
>> The FLEX-1500, or any transmitter, for that matter, will be much happier in
>> transmit
>> with a regulated power supply.  At least with more regulation than most
>> wallwarts provide.
>> 
> 
> I am probably going to end up going with a LiFePO4 pack 'cause then I can
> operate where there is or is not power.
> 
> -- 
> Brian Lloyd, WB6RQN/J79BPL
> 3191 Western Dr.
> Cameron Park, CA 95682
> [email protected]
> +1.767.617.1365 (Dominica)
> +1.931.492.6776 (USA)
> (+1.931.4.WB6RQN)
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