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Sci.Electronics.Design
Sci.Electronics.Design is a worldwide Usenet news group for discussions relevant to the design of electronics circuits.

There are 5371 threads in our archives.
You are currently looking at page 20 of 359.
The threads with the newest additions are listed first.




Any Maxim discussion Forum Members? [46 articles]
amdx - 15:45 15-12-08
I wanted to register so I could post to the Maxim Forum, but do to spam they have stopped new memberships. This is silly, there are thousands of forums working their way ar... Read More
Los Angeles Locksmith Call 1-877-364-5264 provides fast, reliable, professional 24 Hour Emergency Locksmith [2 articles]
linkswanted - 14:02 15-12-08
Los Angeles Locksmith Call 1-877-364-5264 provides fast, reliable, professional 24 Hour Emergency Locksmith services at extremely competitive rates. We Unlock Autos, Homes, and... Read More
Solve the Garage Door Opener Puzzle ! [30 articles]
Spehro Pefhany - 11:03 15-12-08
Situation: An approximately 15-year-old name-brand chain type garage door opener. The drive train was replaced by myself a couple of years ago, which is unrelated to the proble... Read More
Toy circuit safety question [9 articles]
04:34 15-12-08
My cousin's husband asked me about an electric shock circuit. He remembers at school some kid made joke suitcase, that if picked up zapped the recipient. I know the circuit, ... Read More
matching transformer primary turns question [2 articles]
nanotech - 00:20 15-12-08
i have a few questions to ask that someone here might be able help me i want to design a matching transformer for my application that can dissipate 100w operating freq 40khz m... Read More
DIY SMT Solder Oven [15 articles]
Jacques St-Pierre - 20:51 14-12-08
Hello Group, This may not be the appropriate news group to discuss this, but the group helps me before and I do not know a better place to find help again. As many,... Read More
solar cell charger
SANTU - 20:50 14-12-08
hello friends iwant some help to make solar cell charger.pls help me out if u have any idea on this project .mail to santugoal@gmail.com. ... Read More
infrared beacon for pet door [31 articles]
19:45 14-12-08
I have a cat door and now I have way more cats than I used to. I want to block all cats except for my cat, so I figure I will make a little lock on the cat door that only unlocks... Read More
Problems plotting to 7470.exe ("missing comma") [26 articles]
Joerg - 18:29 14-12-08
Ok, guys, got the Prologix working and the KE5FX toolkit going. The goal is to do a proper HPGL data transfer from an HP3577 analyzer to the PC. Set the HP3577 to talk-only and... Read More
radio tower in Likely, CA [16 articles]
17:53 14-12-08
Is this common among radio tower workers? http://www.alikelydeath.com/index_files/Page390.htm Michael ... Read More
transformer secondary ringing [3 articles]
Jamie Morken - 16:43 14-12-08
Hi, I am using a fullbridge SMPS, and when I scope the secondary of the transformer I am noticing a lot of voltage ringing which is approaching the breakdown voltage of the ... Read More
ESR meter project, again. [19 articles]
The Phantom - 15:05 14-12-08
A while back a proposal was put forth in the group to come with a good, low cost ESR meter, but it never went anywhere. I was thinking about it the other day, and a method occu... Read More
Need linear supply 3.3V/15A or 5V/25A [66 articles]
Joerg - 23:33 13-12-08
Hello Folks, For an experiment a client needs a 3.3V/15A or larger supply, must be linear. Checked the usual suspects and at 10A there's pretty much the end of the rope thes... Read More
EverPrecision 2002 CNC machines [3 articles]
Simon - 22:35 13-12-08
Hi all, Just soliciting some input from anyone who's used an EverPrecision 2002-series device before (see http://www.everprecision.com/epq%20product%20ep2002%20features.html f... Read More
Using Many Ceramic Chip Capacitors Series vs Parallel [44 articles]
D from BC - 18:13 13-12-08
I'm planning on paralleling 50 1uF 200V ceramic chip capacitors. (Yeah I know that's goofy.. ) __Stress on capacitor pack.__ Vcap.peak = 170V Ripple current = 3.2Apk f=120Hz... Read More
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