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Old 10th July 2012, 08:56 PM   #531
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Quote:
Originally Posted by Baldin View Post
New prototype based on TL072, MAX913, LM5104 and IRF640.
Self oscillating.
Should be able to fit on a fairly small pcb.
Nice work Baldin. Try HIP2011 or isl2011 they are similar to the 5104. There are some others from maxim which are goes up to 175V for mosfet driver.
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Old 26th July 2012, 07:00 PM   #532
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My self-designed Class D stereo discrete audio amplifier is fully working now. This version is same as the after post, but in a new PCB, more separately the components. Briefly I'll post photos and the circuit.
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Old 18th August 2012, 01:08 AM   #533
BWRX is offline BWRX  United States
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Originally Posted by Osvaldo de Banfield View Post
Here are some (bad) images of my project: a Class D stereo amp using standrad parts. Sorry, Im not a good photographer!!!
That is a labor of love! Nice proto board work right there.
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Old 19th August 2012, 09:23 PM   #534
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Some small toyzz


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Last edited by b4rr3l; 19th August 2012 at 09:49 PM.
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Old 20th August 2012, 01:11 AM   #535
MrSlim is offline MrSlim  Canada
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Nicely done.. you certainly did a nice job of shoehorning the SMPS and amp into the same box. It looks like you have two different power supplies in that series of photos?
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Old 20th August 2012, 01:17 AM   #536
redjr is offline redjr  United States
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Quote:
Originally Posted by b4rr3l View Post
Some small toyzz


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Can provide a link to the SMPS you used? Looks like one that could fit the space I have. It does look like 2, but upon closer inspection I see that it's not.
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Old 20th August 2012, 01:20 AM   #537
MrSlim is offline MrSlim  Canada
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A little cloudy morning at the cottage project.. next step is casing up as a 3box(PS + 2 X AMP boxes) project for my desk, seriously overkill of course..
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Old 20th August 2012, 08:06 AM   #538
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Originally Posted by redjr View Post
Can provide a link to the SMPS you used? Looks like one that could fit the space I have. It does look like 2, but upon closer inspection I see that it's not.

Connexeletronics SMPS300R 28V

and

Meanwell PPS-125-24v Fullrange (Bivolt)
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Old 20th August 2012, 02:19 PM   #539
redjr is offline redjr  United States
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Originally Posted by b4rr3l View Post
Connexeletronics SMPS300R 28V

and

Meanwell PPS-125-24v Fullrange (Bivolt)
Roughly how many watts does that yield from that amp module?
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Old 20th August 2012, 03:07 PM   #540
redjr is offline redjr  United States
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BTW b4rr3l,

What amp module are you using there? Link?
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