diagram of the laboratory source 0 - 50V

[jezevec]

Does anyone have a diagram of a laboratory power source 0 to 50V, adjustable current up to 3A? The kind I make at home.

[borec]

I made this power supply

zdroj

ps50.jpg (42.38 KiB) Viewed 5084 times

[jezevec]

component values ​​are missing in the diagram. The schematic is correct, the output terminals are not swapped "+" and "-" ?

[borec]

The diagram is correct. The negative pole is really up and the positive pole is really down. You can calculate the values ​​of the components according to the input voltage (transformer) and the output voltage you want.

[danhard]

doesn't the source heat up?

[jezevec]

just now, I have seen the 2-channel variable regulated power supply board 0-30V here
http://www.jplabs.co.uk/projects/bh6267e.html
Let me know, is it possible to increase the voltage or current range?

[Calypso]

just now, I have seen the 2-channel variable regulated power supply board 0-30V here
http://www.jplabs.co.uk/projects/bh6267e.html
Let me know, is it possible to increase the voltage or current range?

I downloaded the manual and schematics. I see no problem to increase the current range. To increase voltage range needs to change some components.