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Dx Blame ST together Dx Super A
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Old 17th October 2013, 08:36 PM   #1141
thimios is offline thimios  Greece
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Default DX SUPER A

Quote:
Originally Posted by vargasmongo3435 View Post
nice etching mister thimios looks really good

Regards
Juan
Thank you for your design Juan!
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Old 17th October 2013, 08:41 PM   #1142
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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you are welcome

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Juan
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Old 17th October 2013, 08:55 PM   #1143
thimios is offline thimios  Greece
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Default DX SUPER A

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Originally Posted by vargasmongo3435 View Post
you are welcome

Regards
Juan
Thanks again .
I hope finish as soon as i can
Sorry for my bad English!
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Old 17th October 2013, 09:08 PM   #1144
vargasmongo3435 is offline vargasmongo3435  Puerto Rico
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don't worried thimios English is my second language I understand you perfectly

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Old 17th October 2013, 11:56 PM   #1145
still4given is offline still4given  United States
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Dx Blame ST together Dx Super A
Quote:
Originally Posted by thimios View Post
Thank you very much Sir.
I have spent many hours and much money in handmade pcb.
Now i'm expert in handmade.
May I ask what technique you use for the etching? I would love to find a good method. I tried iron transfer but my Brother laser jet doesn't work well for that.

Thanks. Terry
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Old 18th October 2013, 12:12 AM   #1146
jkuetemann is offline jkuetemann  Canada
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Originally Posted by still4given View Post
May I ask what technique you use for the etching? I would love to find a good method. I tried iron transfer but my Brother laser jet doesn't work well for that.

Thanks. Terry
Looks to me like he uses my preferred method, the photographic method, assuming my eyes don't deceive me. Best results possible at home as far as I'm concerned. Correct me if I'm wrong.
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Old 18th October 2013, 01:32 AM   #1147
still4given is offline still4given  United States
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I guess I'll have to look that up. I suppose it takes special boards for that.
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Old 18th October 2013, 07:12 AM   #1148
thimios is offline thimios  Greece
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Originally Posted by jkuetemann View Post
Looks to me like he uses my preferred method, the photographic method, assuming my eyes don't deceive me. Best results possible at home as far as I'm concerned. Correct me if I'm wrong.
Hi friends...yes i use the photographic method and i take special boards.I can give more details soon.
Best regards.

Last edited by thimios; 18th October 2013 at 07:28 AM.
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Old 18th October 2013, 07:45 AM   #1149
Earthquake is offline Earthquake  United Kingdom
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Default Heatsink

I found these Juan Small Size Aluminum Heat-Sink,
Gilded color, very beautiful.
For Package TO-220 Diodes, Transistors, Non-Inductive Resistors, LM78xx LM317 LM337 Regulator IC, etc.
M3 Screw Hole.
External Size: 15.2 x 25.4 x 23.4mm ( 0.6 x 1 x 0.92 inch).
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File Type: jpg image.jpg (27.9 KB, 373 views)
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Old 18th October 2013, 10:45 AM   #1150
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by AKN View Post
Hi,
If we assume 42V rail and 6Ω speaker Re there will be 7A current over the fuse during a maximum DC output fault. 10A fuse will never blow during such conditions.

Much better to fuse the rails as fuse current rating could be halved. Rail fuses only take half period but the whole DC fault current.
Yes, Yes, Yes.

He won't listen to me !
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