[hpsdr] How do you switch power to Atlas

n3evl n3evl at townisp.com
Sat Dec 3 16:22:24 PST 2011


Mark,

Since I'm driving my PicoPSU from a conventional 13.8V supply, I got the 
PicoPSU-WI-25 wide input variant that will accept input voltages in the 
range 12 - 25V.

Pete, N3EVL

On 12/3/2011 7:06 PM, Mark Leone wrote:
>
>
> On 12/3/11 6:21 PM, n3evl wrote:
>> FWIW, I'm just today in the process of replacing the LPU with a 
>> PicoPSU and discovered that while LPU does not care about T7 T8, the 
>> PicoPSU certainly does.  Fortunately I already had a switch wired 
>> across T7 T8 since, a while back, I'd used Atlas with a conventional 
>> PC PSU. 
>
> Thanks for that Pete. I'll look into switching to PicoPSU. It's my own 
> fault for not reading the LPU Wiki page more carefully, but I need a 
> PSU that works with a power switch. And it's not just because I 
> already drilled a hole in Pandora. I have a 100 watt transceiver right 
> next to my HPSDR, powered from the same power panel, with just a coax 
> switch between the two transceivers and the antenna. So I really don't 
> want to have either of them powered up when the other one is 
> transmitting; and removing power pole connectors is not convenient.
>
> Mark - K4XML
>


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