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Switch mode supplies

A

atec77

Jan 1, 1970
0
I have the need for a high current 50Vdc supply (20amp), to maximise rx
when the power is not needed will the supply handle being switched off
and on regularily when being used ?
Anyone have a clean schematic and any salient words as the cost of a
good transformer is quite prohibitive so a switch mode might be a solution
Tnx in advance
 
I

ian field

Jan 1, 1970
0
atec77 said:
I have the need for a high current 50Vdc supply (20amp), to maximise rx
when the power is not needed will the supply handle being switched off and
on regularily when being used ?
Anyone have a clean schematic and any salient words as the cost of a good
transformer is quite prohibitive so a switch mode might be a solution
Tnx in advance

AFAIK telecoms gear mostly uses 48V, so you might be able to get a ready
made PSU off the shelf and tweak it up a couple of volts - or better yet,
cheap surplus gear.
 
A

atec77

Jan 1, 1970
0
AFAIK telecoms gear mostly uses 48V, so you might be able to get a ready
made PSU off the shelf and tweak it up a couple of volts - or better yet,
cheap surplus gear.
Exactly what I need but where . very little on ebay , I could run two
units at 1kw each I guess
Of course if I had a suitable tranny making one might be an option but
switch mode has appeal
 

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