Does anyone have a diagram of simple voltage supply 25v dc 4 amps max?
Sure.. It looks like this on a schematic: ---o 25VDC o---
What is that thing supposed to do?
You want an AC adapter from 110V@60Hz to 25V DC?
What do you want it for?
Does it have to be a regulated power supply or will an unregulated do?
yes it is for a beautifull mac monitor that uses 25v dc 3.9 amps regulated current, and I need a schematic for it also it will be nice to be 220v ac to 25 v dc?
OK. Question #2. Do you really have to build it yourself? Putting together something so powerful to drive possibly delicate electronics.. You need some experience to do this. And you wouldn't be asking this question if you were an electronics guru I think..
Your local friendly electronics shop will sell you a power supply to fit your requirements. Ask for 24V - this is more common and will work just fine. Or you can buy online.. Something that powerful will cost you though.
If the connector doesn't fit, use a knife and some duct tape to replace it. Or solder something somewhere.
Just tell me if You know some web that has such diagrams, I have the experience.. still I am looking for the cheap solution also most effective-one!
This looks friendly enough: http://my.integritynet.com.au/purdic/index.html#power-supply
Of course, you will have to adjust the components to your voltage and current needs.
I still think you are going to end up with fire and smoke here..
AGREE! Current regulated PS are complex with far more than a transformer,
rectifiers, filters and capacitors. Don't be cheap and then become sorry :knock: