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Jan16-12 Greg Bernhardt
ansoft, maxwell Sticky Thread Pinned: Maxwell 3D (ANSOFT) ( 1 2 3 ... Last)
Dear all, I'm a new user and I like to exchange information about the use of this tool. From my point of view tool...
Aug25-14 03:20 PM
Fuxue Jin
196 94,766
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for...
Aug22-14 02:05 PM
Jamesangelo
28 58,420
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Jul13-14 10:34 PM
NATURE.M
63 82,764
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,163
I am concerned about getting the same length to all RAM chips (the output is equidistant to all inputs of the...
May6-09 09:55 PM
ephrem79
13 30,296
Hi, I am trying to design a simple water valve that opens a plug in a small water reservoir until its empty. So...
May6-09 06:21 PM
vk6kro
1 3,051
This isnt really an electrical engineering question, bit I have other EE-related questions about it. First off, If...
May6-09 11:44 AM
MATLABdude
5 6,670
beamwidth = 60(lamda) / area i knw lamda = c x f how do i find the area ? and also what is c and f in relation...
May6-09 05:30 AM
orla22
1 3,065
Im aware that for the normal distribution, the pdf is f_{X}(x) = (1/\sqrt{2\pi}\sigma)exp( (x-\mu)^{2} /2\sigma^{2}...
May5-09 10:50 PM
JamesGoh
0 3,890
i am intersted in the end of charge detection(-deltaV) on some NIMH chargers, i would like to test that effect on...
May5-09 08:09 PM
vk6kro
1 985
I'm thinking of making an electric generator. I want to use a 100kg U shaped magnet. Inside of this U magnet is...
May5-09 06:49 PM
russ_watters
7 23,727
I'm trying to design a system that will source DC power while transmitting a high impedance sourced AC signal...
May5-09 11:03 AM
TheAnalogKid83
25 7,347
Hi all, One of my guys was working on a control ciruit for a fan bank. The control circuit in powered by a 480-120...
May5-09 10:57 AM
knights of 3
9 2,073
I'm working on phase locked loop. There are two lasers where I'm working at where the slave laser is supposed to...
May5-09 05:29 AM
vk6kro
1 2,033
So if my input is an alternating voltage source, some sort of function generator plugged into the wall... will it...
May5-09 04:29 AM
vk6kro
3 838
My understanding is that the capacitance of a typical transmission line will increase proportionally to it's length....
May4-09 11:45 AM
TheAnalogKid83
7 3,005
Hi I'm new here and I just would like to ask for help regarding our surge suppression system. Our surge supression...
May4-09 10:41 AM
vk6kro
3 5,217
Magnetic saturation seems to have a lot of influence on parameter behavior during load test on permanent split...
May4-09 09:52 AM
gilver
2 1,707
Found via a Slashdot posting, an article in IEEE Spectrum, 25 Microchips that Shook the World:...
May4-09 09:04 AM
mgb_phys
9 1,448
Hello all. Does anyone know of a common failure mechanism for submersible pumps whereby they trip household...
May4-09 07:23 AM
vk6kro
8 2,556
I have a motor i am trying to get to work. The tag on it says its a three phase asynchronous motor. 110v and i think...
May4-09 06:15 AM
TVP45
20 4,523
Hey guys, I'm still working away on some projects I've been building/studying. I'm not actually building any...
May4-09 05:43 AM
Phantasm
17 1,881
Hi! I'm an artist with a basic knowledge of electronics. "Basic," meaning that I can lay out a sorta-complex schematic...
May3-09 07:32 PM
vk6kro
10 3,486
I have an idea to build a electromagnet out of superconducting wire out of the Tl2Ba4Ca2Cu10Ox superconductor...
May3-09 03:53 PM
reddevil2576
9 1,510
Hello all. First off, I am a total newbie and need some help in getting my "project" up and running. Here goes,...
May3-09 01:21 PM
ccd2004
9 5,720
Hello. I'm looking for electronics diagrams & schematics of very fist TOF mass spectrometers like the one of...
May3-09 12:56 PM
HallsofIvy
1 796
I am NOT trying to solve this as a homework problem, I'm just trying to dig out basic concepts that I'm missing when...
May3-09 11:15 AM
Redbelly98
6 6,442
I was wondering what kind of things you would need to transmit to a satellite or something on mars and get video and...
May3-09 09:54 AM
berkeman
3 1,291
I need an AC electromagnet with these requirements: -17 Hz -square wave -40-60% duty cycle -will run on 60...
May3-09 09:43 AM
lee75275
4 4,686
I am not sure if I have full understanding of capacitors energy, because I found a contradiction in solving one...
May3-09 05:56 AM
Dadface
2 798
To the viewer of this post, I wish to create a device which can replicate a rotation at point A at point B. What I...
May3-09 02:16 AM
vk6kro
10 2,891
Hey everyone, I'm looking over a synthesizer schematic that has a 2SC2878 transistor in shunt with the main output - I...
May2-09 08:12 PM
vk6kro
3 2,000
If I want to obtain the power distribution from an amplitude fading distribution (whether it is Ricean, Rayleigh or...
May2-09 03:47 PM
JamesGoh
2 981
I'm not sure if this is the right forum to put this in and I never took photos of something to put on the internet but...
May2-09 11:43 AM
Cubeclub
23 7,395
Hi, I want to create a electromagentic brake for AC motor. could you let me know how can I calculate wire lengh...
May2-09 07:02 AM
navs1984
0 855
I'm working on a project that needs to power two electric motors (PC case fans). These fans are rated 12V - 0.3 A. The...
May2-09 03:41 AM
vk6kro
5 15,579
Hello again, well after finishing the solenoid (http://www.physicsforums.com/showthread.php?t=309671), I'm stuck with...
May2-09 01:07 AM
TheAnalogKid83
17 9,126
I have a 500v, 50A dc generator (~25kw) and need to get 240v ac (rms) for operating typical household and shop...
May1-09 11:34 PM
mheslep
29 4,765
What is the main physical difference behind these two theories? 1) I understand that the thermionic emission theory...
May1-09 09:53 PM
jsgruszynski
1 4,205
I have to submit a project report on a pattern recognition project I am working on this semester. The professor wants...
May1-09 08:55 PM
sgsawant
2 39,257
Hello! I'm trying to make sense of what is probably simple. Imagine I have an IC package that is rated to dissipate...
May1-09 08:18 PM
berkeman
8 2,701
Does anyone have experience with these programs? Any replies are appreciated. Thanks.
May1-09 07:54 PM
jsgruszynski
1 1,683
I know what complex numbers are, but what actually is a complex signal as opposed to a real signal? I know a little...
May1-09 07:49 PM
jsgruszynski
8 6,286
Have attached a diagram of a sample circuit with emphasis placed on the valence and conduction band electrons of the...
May1-09 07:08 PM
jsgruszynski
4 8,158

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