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Sci.Electronics.Design
Sci.Electronics.Design is a worldwide Usenet news group that is used to discuss various aspects of Electronic Circuit Design.
There are 5918 threads in our archives.
You are looking at page 19 of 592.
The threads with the newest articles are listed first.
Can I run a "brushless DC FAN" backwards? [19 articles]
mike - 2010-08-11 10:39:00
I have a project that needs reversible fans.
Can I make a brushless fan go backwards?
Is it as simple as swapping the leads on the coils?
Or is there more to it, like wrong phase for the magnetic p...
TOY Chips [5 articles]
Adam Smith - 2010-08-11 01:09:00
Hello,
I am designing a system in which I need to generate a timestamp in order
to insert a checksum, an ID, and other metadata to accompanying data
being passed between modules. I have seen an...120VAC PCB mount connectors [2 articles]
Jamie Morken - 2010-08-11 00:51:00
Hi,
I am looking for a connector similar to this one
http://ca.mouser.com/Search/Refine.aspx?Keyword=213598
but designed for right angle PCB mount instead.
I think they are called nema 5-1...Magic capacitors! [61 articles]
George Jefferson - 2010-08-10 21:33:00
Suppose you have two capacitors connected as
--*--
| |
C1 C2
| |
-----
where * is a switch.
What is the total energy before and after the switch is closed(in general).
If you want...Spice model for 6N139 [10 articles]
OBones - 2010-08-10 20:24:00
Hello all,
I'm looking for a SPICE model of the 6N139 and despite numerous hours
searching on the web, I could not find one.
If someone has such a model at hand, I would very much appreciate if ...DDWFTTW Sniping Girlymen [12 articles]
amdx - 2010-08-10 20:12:00
You idiots are just a bunch of name calling girlymen.
Just sniping at each other for several days, nothing on
the topic.
If anything relevent to the DDWFTTW topic is added
to the thread plese let ...Nukes [27 articles]
John Fields - 2010-08-10 03:22:00
Global map of a time lapse video of every known nuclear explosion
conducted
on the planet
http://www.geekosystem.com/every-nuclear-explosion-time-lapse/
...Charge Conservation - Hint of the Day [74 articles]
Jim Thompson - 2010-08-09 13:56:00
Charge Conservation - Hint of the Day:
How many Coulombs can a 1mH inductor charged to 1A deliver?
...Jim Thompson
--
| James E.Thompson, CTO ...Motor Load vs HP vs Current [41 articles]
Bobby Joe - 2010-08-09 08:48:00
If I have a motor that is being overloaded ~2x it's rated will
doubling the HP improve this?
I have a 1/2HP Direct drive 1P, 120V, 1075RPM blower motor that is
drawing 12A while it is rated at 6....GPIB Terminal Emulator Question [6 articles]
Jim Flanagan - 2010-08-09 03:35:00
Does anyone know of any software that would allow a PC with an Agilent
or Nat Inst
GPIB card to function as a GPIB Terminal Emulator? This would be
analogous to using
say, Hyperterminal with a...