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Sci.Electronics.Basics
Sci.Electronics.Basics is a worldwide Usenet news group that is used to discuss basic electronics questions.
There are 4775 threads in our archives.
You are looking at page 15 of 478.
The threads with the newest articles are listed first.
Transient response to ramp input [8 articles]
amakyonin - 2010-05-04 20:45:00
Okay. I'll start out by saying that this is *not* a homework problem.
I'm trying to recreate some work I did many years ago which I
subsequently lost the notes and spreadsheet for.
My ultimate pr...
Transistor Or Resistor [39 articles]
Chris W - 2010-05-02 15:41:00
I want to make a load center to test power supplies and batteries. I
was thinking of using 50 Watt 4 ohm resistors for 12V loads but I will
need 15 of them to get the current drain I want. I wou...I want to be able to tape on my ntl box and DVD how do I configure this
soundboy - 2010-04-30 20:50:00
Hi
I've just moved house and want to get my TV video NTL box DVD connected.
I had this set up in my old house but now it's turned into a nightmare.
I want to be able to tape on my ntl box and DVD...lose down this news group. [30 articles]
terryS - 2010-04-29 22:24:00
Looks like this news group has gone the way of some others.
It's inundated with advertising; for Gucci and Rolex cheap copies,
imitation or over-stock Nike shoes etc. doubtful services or site
re...[UK] Television detector [19 articles]
Frederick Williams - 2010-04-28 19:28:00
I haven't heard much about television detector vans lately but we used
to be told that they could detect a television even if it was switched
off and they could even tell which room it was in.
Ho...capacitor on series with transformer primary? [9 articles]
Michael - 2010-04-27 23:09:00
I was taking apart a broken rechargeable razor, and found a 0.15 uF,
250V capacitor in series with the primary of the (tiny) transformer.
The tiny ...Testing a varactor for capacitance while under use? [13 articles]
Dave - 2010-04-27 15:32:00
Does anyone know if one can test a varactor to see what capacitance it is
exhibiting while it is being used to tune a circuit? I would think that
hooking the meter across the varactor while it is...Open Collector? [4 articles]
Kari Laine - 2010-04-27 13:01:00
Hi,
I just built Velleman 8061 and got it eventually working - I think?
But I have a question.
Shouldn't I be able to see whether line is active by resistance meter
over the transistor?
I...exact current and potential source [9 articles]
Kari Laine - 2010-04-27 00:30:00
Hi,
I am testing several things and now I would need a
very exact current and voltage source.
It would be nice if it were correct to 0.001mV/mA.
Even more is better but I think that pushing a li...Help: Making Project boxes [21 articles]
Searcher7 - 2010-04-26 16:23:00
I need some project boxes and was hoping to get advice on how to make
them.
I ruled out metal because small PCBs will be the contents of the boxes
and for obvious reasons this will not work.
T...