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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 18 of 478.
The threads with the newest articles are listed first.
Power Supplies [10 articles]
Kari Laine - 2010-03-30 18:33:00
Hi,
I am trying to find schematics for PSUs. I found one, probably good one,
but it was very complicated and used an IC, which I probably won't get
anywhere.
So any good links welcome.
I unde...
Galvanic disconnection with transformer [18 articles]
Kari Laine - 2010-03-29 09:13:00
Hi,
first. Thank you for all the help I have gotten from here so far.
Now I am trying to figure out how to connect the electricity to my
scopes and the Power supply I am building.
I don't kn...12v DC Unipolar to 16v DC Bipolar [3 articles]
John E. Perkin - 2010-03-27 18:16:00
Hello, my component level electronics is poor at best so please help
me.
I need to take 7v to 18v (ish) Bipolar DC, step it up to 16v DC
Unipolar.
I've got my power input sorted with a decent ...pulse counter [11 articles]
George Herold - 2010-03-27 13:46:00
I want to count TTL pulses from a PMT. (There is already some pulse
shaping and discriminator electronics between the PMT and output.)
The TTL pulses have a fixed width of 300ns and a rate from 10 ...Motionless Induction [8 articles]
RalfM - 2010-03-26 15:53:00
Hi,
let's say there is a magnetic field of a _permanent magnet_,
and a fixed/nonmovable induction coil is placed into field.
Is it possible periodically to change (ie. "disturb") the intensity
of ...CF Lightbulb Dimmer [18 articles]
Bret Cahill - 2010-03-26 11:28:00
Just start subtracting cycles. Below 25% - 40% power it'll start to
flicker.
Bret Cahill
...AC capacitor question [15 articles]
lerameur - 2010-03-26 10:06:00
Hi,
I believe it is possible but I would just like a confirmation.
I would like to know if I can use an AC capacitor and make it behave
like a DC cap, I would like to do a rail gun. Are DC capaci...Was Runaway Prius Really A Runaway? Or Just A Prank? [40 articles]
Bret Cahill - 2010-03-24 00:16:00
A few years ago I was looking at a minivan with defective ABS and I
turned to an astute ex used car dealer and said incredulously,
"there's no way a big auto company would design a car without any b...Low end scopes & where to buy [16 articles]
Paul - 2010-03-23 08:24:00
Hi,
I'm searching for low end scopes such as Rigol, Atten, Owon, etc. So
far I'm sold on the Rigol DS 1052E. I was about to buy it at
dealexcel.com because they're selling this $600 scope for $39...Analog Design books edited by Jim Williams [10 articles]
George Herold - 2010-03-21 14:20:00
This post is mostly for Jon Kirwan*, The two books are, "Analog
Circuit Design, Art Science and Personalities" and "The Art and
Science of Analog Circuit Design". Filled with lots of fun stuff.
...