Electronics Forum / Design / July 2008

〓臺灣代理商銷售IGBT、GTR、IPM、PIM、可控硅、整流橋〓86-137-1410 2508〓電話:(86)-0755-88
364656
〓利瑪電子(新加坡)有限公司〓137-1410 2508〓MSN:sz-lima@hotmail.com  E-
mail:lima13714102508@21cn.com

〓臺灣代理商銷售IGBT、GTR、IPM、PIM、可控硅、整流橋〓86-137-1410 2508〓電話:(86)-0755-88
364656
〓利瑪電子(新加坡)有限公司〓137-1410 2508〓MSN:sz-lima@hotmail.com  E-
mail:lima13714102508@21cn.com

So I'm filling up my tank again today (mumbling certain 4-letter words
under my breath) only to look up and see that barely a couple gallons
have been pumped in the several minutes I've been at it.
Best I can figure, the pump owners slow down the dispensing so you

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I have an old Super NES (Nintendo Game from the late 80's?) to give to
the niece & nephews, but it has a problem.
Hoping someone here has experience with these...   Some games will not
play at all.  Others will occasionally play - (which SEEM to be

I am currently looking for an external quarzoscillator that can be used
to clock a chip. The chip has a SMA socket, so I would need in some way
an oscialltor that could be connected to this SMA socket. The frequency
I am looking for is 5-10 MHz. Would be thankful if someone could ...

I pulled out the camera and tried to make a few shots of boats, but was too late,
but that warning light, it was just on-off for all I remember.
You can fool the eye, but not the camera :-)
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Hey there - I'm putting together a board that will have a number of
FETs switching the low side of some electromagnets. I do not know what
these electromagnets will be - but I've been told to design to be able
to switch half an amp across each.

My understanding from elsewhere is that all the exploration rigs are
already booked years in advance.
Ideas ?
Graham

I'm working on a sensor that'll include bucks and LF passive signal
filters that have to withstand high H field, possibly up to 50kA/m (DC).
Shielding the whole box is a last resort possibility.
So, anyone knowing of inductors that'll withstand this kind of

I had lots of dropped calls and blanks when I was using my cellphone
near the BC/US border.
I noticed that my phone would sometimes go into roam mode.
I guess a US cell tower and a BC cell tower were competing for my

Guys,
I am trying to calculate the losses of a solar cell module. I think I
sort of succeeded for the 1D case, i.e., when the width of the cell is
larger than the length. For this case I have used a coupled of

Hi, I'm aware of some standards that dictate airflow direction in rack
mount cases (e.g. ETSI 300 119 and NEBS), and it's usually front to back,
bottom to top, or (least preferred) left to right.
But recently I noticed some equipment from Brocade in a 1U case that drew

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Have any designs for widely variable switch mode power supplies suitable for
use as bench power supplies been published? I've been looking at some
comercially available supplies but they're still way too pricey. Ideally I'd
like a supply that does 0-100V at 20A or 2KW with a ...