Monday, 16 March 2015

Power supply family

I remebered that I forgot to post the power supply that I remade from a PSU supply :) awesome useful thing :) And easy to make :) Here are the pictures :)

First opening of the cover:

Banana connector socket installation:


After removing all the unnecessary wires and leave only one wire of each voltage (+12V, -12V, +5V, -5V, 3.3V) and ground. And installed a switch simply to turn it on or off.


 After soldering the wires to the sockets.


Made this dielectric plate and installed it just below the sockets from the inside (so in case something happens to the wire it would not damage the circuitry below).


The final look is here :) There are red and green LED's glowing from the hole (red means that it is pluged into the wall socket and the green means it is turned on).


The supply can give 12V with 8A, -12V with 0.5A, +5V with 18A, -5V  with 0.5A and 3.3V with 8A :)

And the new member to the power supply family is the TOROID :D This fellow will power the new upcoming audio power amplifier :D It has 360W of power and can produce a bipolar source with +/-36V and 10A of current, but after leveling the output (with a diode bridge and big ass capacitors) it should theoretically jump up by a coefficient of square root of 2 which is 1.414.  
36V * 1.414 = 50.9V!! :D That much voltage should be more than enough :D
 Here are the photos of the guy:



This guy weights over 3Kg :D Damn... :D 


P.S, I have already made the circuitry for the TDA7377 the only probelm left is that I am trying to move it from a bipolar power source which is the PSU above to a simple DC adapter :) So I have to adjust the op-amps a little :)

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