[time-nuts] Anybody want a Thunderbolt power supply

[Bruce Griffiths]

If onen is going to use a dc-dc converter the Cuk converter used here is a nice topology in that it can have low input and output ripple currents. However input and output filters like the Murata BNX002/BNX005 series would have been useful as would an LM3042 linear post regulator for the -12V output.. Low noise regulators for the +12V and +5V outputs would also be useful.
Bruce
 

    On Thursday, 1 September 2016 11:48 AM, Mike Naruta AA8K <aa8k at comcast.net> wrote:
 

 
I use the TAPR HPSDR LPU:

< https://www.tapr.org/kits_lpu.html >


I run two Trimble Thunderbolts on a LPU that uses the house 13.6 
Volt supply that is backed up with two 6 Volt golf cart 
batteries in series.  I didn't bother installing the Anderson 
Power Pole and ATX connectors, but wired directly to the circuit 
board.


Mike - AA8K

On 08/30/2016 10:23 PM, Nick Sayer via time-nuts wrote:
> A little board to generate -12 and +5 from a 15 watt 12 VDC input wouldn’t be too hard to design. If I put one out for $25, would anyone like one?
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