[hpsdr] Power Supply for Multiple Mercury receivers

[Rick ve3mm]

Hi Mike

Thanks for giving me a reason to take some pictures of my present HPSDR
setup for reminiscing in the future.  I have uploaded a bunch to my account
(ve3mm) at hamsdr.com:

http://hamsdr.com/profile1.aspx?id=44

Let me know what you think.

73

Rick ve3mm

On Sun, Nov 6, 2011 at 10:31 AM, Mike Pate <MPate at athirdopinion.com> wrote:

> Rick,
>
> I read your post about using the PicoPSU for your HPSDR... I was looking
> for a replacement for my existing LPU.  Any chance I could get a pic or two
> of your PicoPSU installed in the Pandora and how you setup the powerpoles?
>
> 73's
> Mike / K5MAP
>
> ________________________________________
> From: hpsdr-bounces at lists.openhpsdr.org [hpsdr-bounces at lists.openhpsdr.org]
> On Behalf Of Rick ve3mm [richardstasiak at gmail.com]
> Sent: Sunday, November 06, 2011 8:31 AM
> To: Jeff Kelly
> Cc: hpsdr at lists.openhpsdr.org
> Subject: Re: [hpsdr] Power Supply for Multiple Mercury receivers
>
> Hi Jeff
>
> I went through this a few weeks ago and several list members suggested the
> picoPSU-120-WI-25 120W wide input (12-25V) power supply.  I picked up a
> couple of them from ITXCanada.com.  They are also available from a couple
> of distributers in the US.
>
> They are a great power supply for my HPSDR needs.  I am not using a fan
> any longer in my Pandora setup (with Pennywhistle) with this power supply.
>  Nice to have a complete quiet in the shack.  This may not work for you if
> your shack is not on the cool side like mine is here in Canada.
>
> The picoPSU units are switcher based designs that plug right in to the 20
> pin socket on Atlas. I haven't found any birdies that cause me any concern.
>  I cut off the incoming power connector and added a power pole connector
> assembly to provide power to the picoPSU and Pennywhistle.
>
> I had tried adding a pass transistor to the LPU to increase the 5 volt
> output, but found I was dealing with a lot of heat dissipation issues that
> were not easy to deal with, so I abandoned that effort.
>
> 73
>
> Rick ve3mm
>
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