[hpsdr] PicoPSU

[Eric Ellison]

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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