[time-nuts] Thunderbolt Supply

EWKehren at aol.com EWKehren at aol.com
Mon Feb 14 18:06:32 UTC 2011


Yes I am doing it with some very low cost switchers off ebay, followed by  
linear regulators as I mentioned previously. Works great.
Bert Kehren
 
 
In a message dated 2/14/2011 11:51:32 A.M. Eastern Standard Time,  
pete at petelancashire.com writes:

has  anyone done a setup where the TB is running from a battery when
one is  using its output. Something like you do
with pico amp meters, or I do with  the Fluke 845AB null meter ?

-pete

On Sun, Feb 13, 2011 at 11:29  PM, Flemming Larsen <oz6oi at yahoo.dk> wrote:
> I have a Power-One  switching power supply that puts out +/- 15 Volts in 
addition to +5 Volts. I  was planning to add a pair of 7812/7912 voltage 
regulators to provide the  required +/- 12 Volts to the Thunderbolt.
>
> I would welcome any  suggestions to improvements in this very basic 
design, including additional  filtering, etc.
>
> Please post or email.
>
> BTW, has  anyone considered using one of the many DC-to-DC PSUs that are 
available for  powering mobile PCs from +12 Volts? They appear to be ideal 
for powering the  Thunderbird from almost any DC power source, including a 12 
Volt  battery.
>
> -- Flemming Larsen, OZ6OI/KB6ADS
>
>   oz6oi at yahoo.dk
>
>
>
>>
>
>
>
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