[hpsdr] PicoPSU

[Philip M. Lanese]

I have a secondary standard 3M/10M EMI lab in my basement (courtesy of QRL) if
anyone wants this stuff evaluated and can get the parts to me!

Phil, K3IB

----- Original Message -----
From: "Christopher T. Day" <CTDay at lbl.gov>
To: "Eric Ellison" <ecellison at comcast.net>; "Lyle Johnson" <kk7p at wavecable.com>
Cc: <hpsdr at hpsdr.org>
Sent: Thursday, June 08, 2006 11:43 PM
Subject: Re: [hpsdr] PicoPSU


> ***** High Performance Software Defined Radio Discussion List *****
>
> I'm open to suggestions. Remember that I don't (yet) have a lot of test
> equipment. Probably my SDR-1000 is the best tool available for
> monitoring if someone can suggest a pick-up methodology. I don't have a
> load for it either, but power resistors that don't have to be on-board
> are cheap. Any suggested values?
>
>
> Chris - AE6VK
>
>
> -----Original Message-----
> From: Eric Ellison [mailto:ecellison at comcast.net]
> Sent: Thursday, June 08, 2006 8:22 PM
> To: 'Lyle Johnson'
> Cc: hpsdr at hpsdr.org
> Subject: Re: [hpsdr] PicoPSU
>
> ***** High Performance Software Defined Radio Discussion List *****
>
> Lyle
>
> Thanks points well taken, as usual...
>
> Chris is there any way to measure how much 'hash' that little jewel you
> have
> puts out?
>
> Here is one site. The 60 watt variable dc in is listed at 59 bux, and no
> quantity breaks given. This is probably not the OEM, but it looks like
> oem
> price in large quantity is probably about 30 bux or so. I think the
> various
> supply currents are listed.
>
> http://www.mini-box.com/s.nl/sc.8/category.13/it.A/id.417/.f
>
> Folks:
>
> This is just a 'flyer for' evaluation, not a yea/nay vote. If it is a
> do-able thing, and we have a technical consensus here, we can put it to
> a
> vote on the Cool! Aid page.
>
> Thanks
> Eric
>
>
>
>
>
>
> -----Original Message-----
> From: Lyle Johnson [mailto:kk7p at wavecable.com]
> Sent: Thursday, June 08, 2006 11:11 PM
> To: Eric Ellison
> Cc: hpsdr at hpsdr.org
> Subject: Re: [hpsdr] PicoPSU
>
> > The 60/80W (80 watts peak) version uses a variable dc input from 6 to
> 26
> > VDC input which would be ideal for mobile use or powering off a
> > "station" power supply.
>
> This would be my preferred solution.
>
> It might be helpful to list the voltages and currents the supply is
> capable of.  I suspect most of the power is +5V or +3.3V.
>
> > The 120 W version uses a fixed 12 V regulated power input and Chris
> says
> > it drops out at 13+ volts.
> >
> > Is 60W likely to be able to power 3 or 4 or more project boards?
>
> Yes.  If we have a Tx that runs power, it will probably run from 13.8
> VDC or some other voltage, not supplied by or through the Atlas
> backplane.
>
> > Also how many folks would be interested in this type of supply.
>
> If I knew it was sufficiently quiet to include a decent receiver in the
> same box, I'd be very interested.  But if it is noisy, then for many
> radio applications it wouldn't be suitable.  Like the old
> liner-to-switching-to-linear 5V regulator exercise we went through with
> the SDR-1000 back in '03.
>
> 73,
>
> Lyle KK7P
>
>
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