[aprssig] Prius Power for Field Day
Ray Wells
vk2tv at exemail.com.au
Sat Oct 13 03:06:25 EDT 2007
Scott Miller wrote:
>> I use a switchmode supply that comes from a Chinese manufacturer that
>> is rated at 40A continuously. It delivers 44A before it goes into
>> foldback. At some point thereafter (that I haven't bothered to
>> measure) it trips on overload until the load is removed. The supply
>> is also very RF friendly with S0 being the standing background noise
>> on HF in my rural setting.
>
>
> No idea who the manufacturer is, huh? I found a few pictures online
> with that model number, so I at least know what it looks like. I'm
> headed back out to the China Sourcing Fair tomorrow (I'm in Hong Kong
> at the moment) and there are a few benchtop power supply manufacturers
> represented. Actually, there are 4 pages of power supply
> manufacturers in the show guide, but a lot of them just do cell phone
> chargers and small devices.
>
> Wait, I missed the addendum - make that 5 pages of manufacturers. I
> don't know if my feet are going to survive another full lap of that
> place! I'll keep an eye out, though.
>
> I've learned you've got to be careful about model numbers - one radio
> manufacturer was showing an FT-1500 mobile. Looks nothing like the
> Yaesu, though. Interestingly, ALL of their models start with either
> FT- or IC-. And another manufacturer has a TK-790, but it's a little
> HT and not easily confused with the Kenwood mobile.
>
> Scott
> N1VG
>
>
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>
You've got me. I'm as guilty as hell for not even bothering to look for
a manufacturer. Guess I'm lucky I have a local importer that did the leg
work :-)
All humour aside, they're a good supply for ham radio shacks.
I didn't mention in my original posting that they're adjustable from
3-15V and there is a bottom mounted slide switch to select pre-set 13.8.
Ray vk2tv
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