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Posts posted by mixos
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;D ;D ;D Thanks all of you ;D ;D ;D
That's true! Today i become 24 (that's a nice number!) and i feel really lucky receiving greetings from all of you! I will try to do my best and wish peace and creativity to all nice people like you! -
The situation took uncommon range for no reason at all! Steven told me he is not dissapointed i selected Zeppelin as a moderator (as i read on previous post) and techically he can't manage the High Voltage board. He is not familliar, deleting, moving, editing messages (as strange as it sounds) so there is no reason to continue this discussio. Steven is not wronged and any time he is a potential moderator. That's all.
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The situation is over. I talked with Steven and everything is ok. Let's finish it here.
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Hello
Steven was proposed a LONG time ago to become a moderator on High Voltage section, so there is no meaning telling that another moderator was selected instead of steven. There was NO debate between the existing moderator and Steven. I thought Steven had a clear view of the situation. We have discussed the possibility with Steven to become a moderator on High Voltage section but he had major problems posting a message with attachments and needed much effort to do this. I used to post his attachments on his messages a long time ago. So i think that in the practical level of being a moderator he should be more familiar with the forum to be able to help us. That's the point and i wouldn't like to disapoint Steven selecting another moderator. -
Hello Zeppelin.
This board is only viewable by moderators. -
There is a function of Global moderator that do exactly what you told. But it is not practical every moderator to be a Global one as things will mess up. I have no problem to make someone of you global moderator but he will have more rensponsibilities to keep things clear.
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Welcome our new moderator Zeppelin. After his request i decided to make him moderator on three unmoderated sections. Please welcome him on our team. I believe that he will do good jod on those sections. He will moderate:
Theory articles
Spice Simulation - PCB design
High Voltage Stuff
As for Cuckoo, he is a personal friend of me, interested on microelectronics, but his time is limited to moderate the Microelectronics section, so I decided to remove him from being a moderator. As we speak there is no moderator found on that section.
Until now we are 5 moderators and one admin (me)
MP
hotwaterwizard
Ante
Dazza
Zeppelin
The help of all moderators is really appreciated and I am really happy for our team! Also I would like to thank hotwaterwizard for the great idea to make a new board only for moderators, as we can talk here about everything needed to make out Forum even better.
Mike -
Ok, then.
Here is the new
Moderator's board: http://www.electronics-lab.com/forum/index.php?board=32.0
Hope this to take us a step further in communication.
Mike -
Steven, maybe the topic was moved/removed from original location for a reason in the meanwhile (until you read the email) and for that's why you couldn't find it. Also, please give a try again to contact audioguru and report back. I didn't undertand what was the problem contacting audioguru.
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I am confirming that site was hacked today due to a security hole. Appropriate measurements taken to avoid future problems. Hacker's ip adress reported for abuse and blacklisted.
Forum attachemnts affected and hope to restore them from backup as soon as possible. Thanks for your understunding. -
This topic has been moved to General.
[iurl]http://www.electronics-lab.com/forum/index.php?topic=7133.0[/iurl] -
Hi Ante
Upload capability has do to with many things as your internet connection speed (becuase the time thershold is limited). I have tryed to make some arrangements on the server's settings, hoping to solve those problems. Please make some test uploads now. -
My answer goes to Ante, otherwise the server will not support resume.
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Thanks my friend. I found that transistor on a controller board of a 5" LCD and was damaged due to shortcircuit.
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Thanks gogo.
I have seen that page but I am confused about the fact that the package doesn't match the SOT-89 that has my transistor. I searched to find out if BCX42 producted with SOT-89 package, but no luck here.
This seems the best match, based on the info i have so far, but maybe it needs a little more search. -
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This topic has been moved to Microcontroller Projects, Programming.
[iurl]http://www.electronics-lab.com/forum/index.php?topic=5788.0[/iurl] -
Ok, let me a little space to breath :) ! I altready increased the upload folder size and i would like to notice that the maximum attachment size allowed is 50000 KB, that's 48MB. Keep in mind that you should use this disk space with respect and any file that just takes up space without being usefull to anyone will be deleted without prior notice.
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This topic has been moved to Theory articles.
[iurl]http://www.electronics-lab.com/forum/index.php?topic=5879.0[/iurl] -
This topic has been moved to Feedback/Comments.
[iurl]http://www.electronics-lab.com/forum/index.php?topic=5509.0[/iurl] -
This topic has been moved to Sell/Buy electronics - Job offer/requests.
[iurl]http://www.electronics-lab.com/forum/index.php?topic=4954.0[/iurl] -
This topic has been moved to Sell/Buy electronics - Job offer/requests.
[iurl]http://www.electronics-lab.com/forum/index.php?topic=5018.0[/iurl] -
I am happy that finally this problem resolved.
That wasn't a server's problem but a hub that your isp used to get you on the site.
All these days the rest of us could navigate Electronics Lab without problems. -
Hi :)
I strongly suggest you not to rebuild this battery pack, because it seems that protection circuits are damaged and for that reason overheating is experienced. Any li-ion battery without protection circuitry is a FIRE HAZARD. Don't procced to reconstruction of that battery!
What is holding switch mode PSUs back?
in Theory articles
Posted
I think that the reason is that the main advantages of SMPS are underutilized in such applications. That means that we don't need a high cost and difficult to design PSU for a home audio amplifier that powers from mains voltage and has a noticeable volume, nor on a lab power supply. Having efficient of 70-80% and up doesn't offer much in these applications (instead offer much in battery powered applications). Among all these parameters, we add the non existed problem (on linear psu) of EMI/RFI emmitions that can be attenuated using filters and shields but can't be eliminated.
In many cases the switching frequency is in audio spectrum or a little above and that makes the problem more complicated.
So, we gain more than we loose not using SMPS in such applications. That's the reason!