Re: Vortex power supply - AC, but can take DC?

[van Sinn <vansinn@post.cybercity.dk>]

andy butler wrote:
> Thanks for that.
> 
> Any chance we could share the schematic on the Vortex Website?

Hmm.. dunno about legalities..  I got them from LexiconPro from a kind 
request, but even though it's a discontinued and unsupported product, 
they may not like public spreading.
Maybe you should write them and explain cause and actions.
Meanwhile feel free to ask; I'll try answer to the best of my abilities.


> Van Sinn wrote:
> 
>>>
>>> Personally, though, I wouldn't risk it.
>>
>>
>> Always a good starting point, until checking schematics..
>>
>> The Vortex PSU is pretty simple, just some rectifying diodes, 
>> capacotors and 78xx and LM2930 voltage regulators.
>> With a 12 volt adapter, you'll burn a little more heat, due to 
>> dropping more voltage across the regulators.
>> All capacitors are overrated 50 volt (in the schematics, haven't 
>> checked on the board, but won't expect crappy low-voltage ones).
>> In the long run, use a 9 volt adapter. Until then, niçio problema.
>>
> 
> Well, I checked out LM2390 and that appears to pretty robust.
> 
> don't know about 78xx, tho' :-)
> Is that a kind of generic code?
> ...and what about diode specs?
> 
> Would be great if we could confidently give a range of psu's, including 
>DC.

Oh, those are ordinary 7805 (5 volt) 3-pin voltage regulators, and 
1N4004 diodes; all very common parts.

-- 
rgds,
van Sinn