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How to Make a Power Supply

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SPiN Racing:
VERY NICE!!!!

Thanks A Ton!

I will put that in the brain box and let it rattle around and see what comes out  :D







 :proj:

Darren:

--- Quote from: Divided he ad on May 13, 2009, 07:20:26 PM ---

I think you sound like the guys on the videos they used to play for us to watch in science and engineering in school....

--- End quote ---

Does that mean you fell asleep  :ddb:

I realise it must be droll viewing, but necessary to explain why certain components are used and indeed required.

I'll sort out a parts list later  :thumbup:

Darren:

--- Quote from: SPiN Racing on May 13, 2009, 11:54:29 PM ---VERY NICE!!!!

Thanks A Ton!


--- End quote ---

Thanks for the feedback, I just hope it was clear enough and not an overload of info to put anyone off.

I realise it looks complicated, but in reality it's a very simple and well respected circuit.

Years ago you would have had many more components to put together to do the same job. Nowdays they pack much more of the circuit into chips, thankfully...!!

This is what is inside the regulator, imagine having to get your head around this, let alone build it...

First image

image 17 is basically what has been built here

http://www.datasheetcatalog.org/datasheet2/8/0ujhh2scud4dfop1xfyut2u2qopy.pdf

Darren:

Divided he ad:

--- Quote ---Does that mean you fell asleep   :ddb:
--- End quote ---


I plead the fifth!   :D  ( my usual daily routine involves falling asleep in front of my computer, usually just after I get in from work and helped along by my literature induced narcolepsy!   ::) )



The first image can take a running jump.... I ain't soldering that lot up!!


Without the key that circuit you posted is a little like Welsh to me... I can read it and basically pronounce it.... But I sure can't understand it and use it!   :lol:

Well, I can identify the resistors (variable with the arrow) the chip (cause it's labled) and the capacitors 1 and 2..... Now what I don't know of, is that there reason why C2 is sad!?

The symbols used there are the old ones right?  I never used the zigzag resistors I had to draw little rectangles!.... Schools, full of jobsworths who do just as the curriculum states.... Something to do with losing their job? (I have 4 mates who are teachers.... I do like to tease them about their lack of teaching freedom! )


Anywho... Still much appreciate all your works on this  :thumbup:




Ralph.

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