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Old 19th March 2010, 05:42 PM   #1
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Default Amplifier PSU design needed

I need a PCB design for something like this
PSC-Audio | PsC-Audio | KIT125B_1 - Redresare+filtrare, 2x25A, 6x10.000uF/50V SAMWHA

I know how to build the PSU but I lack the skills to design the PCB

Can someone help with a link or something?
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Old 21st March 2010, 08:04 PM   #2
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No one has a pdf file or something to print the layout for something similar?
All my power supplies look awful.
Maybe best solution is to buy from ebay....but those ones don't have fuses or snubbers.
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Old 21st March 2010, 09:06 PM   #3
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Why dont you have a go yourself then upload your circuit here and we will pull it apart.
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Old 21st March 2010, 09:17 PM   #4
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I have schematics....and I know how to build the power supply...I just need the PCB pattern to use press and peel.
I tried to design my own PCB using 3 different softwares but my skills are not that good . FAILED
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File Type: jpg SCH5.JPG (22.0 KB, 280 views)
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Old 21st March 2010, 09:22 PM   #5
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Where are you getting stuck ?

I actually sell my pcb design software so know a bit about laying out PCB's.

I find a vernier helps a lot with getting the hole sizes right.
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Old 21st March 2010, 09:29 PM   #6
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I have FreePcb, ExpressPCB and eagle.
Tried eagle last night....managed to find a 25A rectifying bridge, fuse sockets but when I looked for 3.5 cm capacitors there was nothing in the database. All i could find was some wima capacitors .
The only PSU pcb that I have is this one......but is to simple...almost useless
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Old 21st March 2010, 09:34 PM   #7
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Most PCB packages allow you to make your own components.

In my experiece its best to do your own anyway as there are many combinations of fuse sockets or bridge rectifiers.

With my designs I buy in the components first then make my own copies for the pcb cad package.

Then I print them out and try the components on the printout just to be sure.
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Last edited by nigelwright7557; 21st March 2010 at 09:37 PM.
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Old 21st March 2010, 09:37 PM   #8
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This is what I'm looking for
2pcs of Capacitor Bank PCB for 8 capacitors - FT208 - eBay (item 160392048515 end time Apr-03-10 22:27:26 PDT)
I can make a hand drawing but will look really ugly
Maybe I'll give it another try tonight....or I just buy boards from ebay.

Thank you for reply
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Old 21st March 2010, 10:39 PM   #9
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Do you want to play at designing a PCB or just need a PCB? If the latter then that one on ebay is not a bad price really. Also, how many caps do you actually need on the board? 3 caps per side would be a rather large amplifier.
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Old 21st March 2010, 11:23 PM   #10
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I just need a PCB to make my boards.
I know on ebay is not a bad price but at the moment I can't order so I have to make my own boards. Also the one on ebay don't have fuses on board which I dislike.
Yes, I prefer 2-3 caps per side....as for amplifiers...I have 5 in my room at the moment, 80-300w/8R RMS.
Everyone is building amplifiers around here so I was thinking is not hard to get a PSU layout. Apparently I was wrong . I found 5000w SMPS PCB design but not a normal +/- supply....how annoying is that?
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