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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 9 of 478.
The threads with the newest articles are listed first.
Blower speed [5 articles]
steve - 2010-06-27 18:38:00
I am converting an old computer fan into a blower.
Over here at 240 volts, its speed is not adequate.
Is there any way to increase the speed (rpm) without burning the
motor.
Thanks...
What does "high side" MOSFET driver mean ? [4 articles]
Daku - 2010-06-24 18:44:00
Not being a power electronics person, could some electronics guru
please explain the term "high side" MOSFET driver. Thanks in advance.
...Barcode Label Printing [4 articles]
gonzo - 2010-06-23 08:29:00
Now I know im not the only one who has had problems trying to do their own
barcode label printing . I started
trying to print my own about 6 months ago but kept encountering lots of
problems. I ...Photovoltaic inverter question [17 articles]
Daku - 2010-06-23 04:24:00
I have a photovoltaic inverter related
question. Recently I have been looking
into the possibility of building a grid-tie photovoltaic inverter. A
number of semiconductor vendors e.g., Freescale,
...Rare Example of Instrumented Bldg Damaged During During An Earthquake [7 articles]
Bret Cahill - 2010-06-22 23:38:00
http://www.usc.edu/dept/civil_eng/Earthquake_eng/Selected_Publ/PDF/ICS_Paper_II.pdf
Two interesting questions:
Why aren't they instrumenting bldgs today with relatively cheap MEM
accelerometers...Capacitor discharge probes [26 articles]
Shaun - 2010-06-22 09:02:00
Hello,
I recently bought a Blue ESR meter and assembled it and it is working well.
In the instructions it mentions making a jig with a 100 ohm 5 watt resistor
attached to some probes for discha...Video cards [3 articles]
Kari Laine - 2010-06-18 19:36:00
Hi,
I am wondering how these Video cards are made.
I have now studied little bit of Verilog and VHDL - very interesting
indeed. I assume commercial video cards use ASICs.
But are they defined ...Pole Mount Distribution Transformer Design [8 articles]
slither - 2010-06-17 15:30:00
Hi everyone,
I'm currently trying to design a 20kVA (11kV - 230V) pole mount
distribution transformer for a project. I'm having some difficulties
deciding which core material and winding materials ...What's the Holdup With 3-D Monitors? [39 articles]
Bret Cahill - 2010-06-16 00:39:00
Stereo vision should be easy with LCD monitors. Just polarize every
other pixel one way and the remaining half 90 degrees.
If the orientation of each pixel could be changed back and forth
quickl...Twin T circuit wanted [109 articles]
default - 2010-06-14 20:44:00
Can someone supply a single transistor circuit that will give a damped
sine wave when a pulse is applied? to emulate a bell sound
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