[time-nuts] power supply for Z3801

[Bob kb8tq]

Hi

I think you will find that most of this gear came in two voltage 
ranges. One version ran from about 20V to about 34V The
other version ran from about 36V to about 56V. The first one
gets called 24 or 28V. The second one gets called 48V. Both
*should* be able to run off a pretty basic supply.

Bob

> On Oct 28, 2020, at 7:24 PM, paul swed <paulswedb at gmail.com> wrote:
> 
> Jim
> I think anything will do. Internally it hits a bunch of switchers that
> convert to the internal needs. One funny thing I have run into is that
> switchers do not always like feeding switchers. Or perhaps a larger
> switcher to handle the startup current is the trick.
> I believe on the back of the 3801 it says the supply range an I think there
> were two models.
> Something like 36V. Been a while with respect to digging in but the 3801
> still is working.
> I actually used 24 X 24V linears in series. Typical lamdas...
> Regards
> Paul
> WB8TSL
> 
> On Wed, Oct 28, 2020 at 6:57 PM jimlux <jimlux at earthlink.net> wrote:
> 
>> The 48-ish volt power supply for my Z3801 gave up the ghost..
>> 
>> What's the latest in off-the-shelf power supplies (external is fine,
>> uncased is fine)?
>> 
>> There were plenty of suggestions on the list a few years back, and I can
>> pick one of those up, but hey, someone else might have walked this path
>> before more recently.
>> 
>> Or, should I go get 4 12V sealed lead acid, 4 12V wallwart trickle
>> chargers and make a 48 Volt supply? (I can't imagine it would be cheaper
>> than some Meanwell PS)
>> 
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