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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 96,640
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 59,108
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 83,921
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,515
Hi there I'm looking for anyone who has the knowledge or experience that can help me develop a pulse induction gold...
May10-09 08:59 AM
vrbovski
2 4,003
I try to understand why, really, there is no current (except for leakage) when a diode is reverse-biased. I studied...
May9-09 10:15 PM
Defennder
19 14,979
We simulated a 200MVA synchronous -salient pole- generator, using the 2D finite-element simulation program OPERA (by...
May9-09 09:51 PM
Dr.kW
1 1,342
I have an electromagnet that I want to be activated for two seconds as soon as I turn the power on. I think that this...
May9-09 01:52 PM
TurtleMeister
1 827
I am making a power supply and am using a lm338k to regulate a variable voltage from 2 to 30 volts. I also want to...
May9-09 05:28 AM
vk6kro
2 6,856
Hi, I want to create a electromagentic brake for AC motor. could you let me know how can I calculate wire lengh...
May9-09 12:59 AM
AdamK9
1 896
Thanks for reading my post. I would like to produce 23KHz ultrasound at a presure of 70 to 100 dB. I am thinking...
May8-09 07:45 PM
berkeman
4 1,821
Hi there. I am working on a study-oriented university project on digital modulation techniques. I am trying to...
May8-09 04:24 PM
berkeman
4 2,406
Hey guys, I recently conducted an experiment which involved charging a battery via a PV module and also logging the I...
May8-09 02:32 PM
Bob S
4 1,509
Ok, first post so be nice guys! I've designed and simulated a design for controlling a brushed DC series motor in...
May8-09 10:40 AM
emaN resU
10 10,125
Hello, I'm doing an experiment and need a small and cheap galvanometer. Does anyone know where can I find it? ...
May8-09 12:56 AM
The Electrician
7 1,911
hi, i have connected a RS-232 to RS-485 converter to the RS232 port, and i would like to know if any1 could tell me...
May7-09 09:55 PM
strandedboy
6 927
In this project, by means of two mirrors (which can be tilted about two perpendicular axis) we deflect the laser beam...
May7-09 05:24 PM
armlaser
8 7,386
I have a standard 8P8C modular jack (RJ45) and the small clip has broken off. Instead of cutting it off and re-wiring...
May7-09 12:06 PM
resjsu
2 2,737
Hi i'm new here but i've a really urgent question: What factors determine the turn on voltage of a pn junction? ...
May7-09 09:55 AM
waterzz
0 1,551
Hi guys, A friend of mine working as an EE asked me this question for which she had no answer to. She asked if...
May7-09 07:43 AM
Defennder
3 2,045
Can any one please tell me what is time phasor and space phasor? and what is the difference bwt them ?
May6-09 11:10 PM
arup672
2 1,700
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 30,698
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 3,082
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 6,716
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 3,082
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 3,912
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
1 994
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 24,072
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 7,514
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 2,126
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 2,072
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
3 846
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 3,038
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 5,263
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 1,717
Found via a Slashdot posting, an article in IEEE Spectrum, 25 Microchips that Shook the World:...
May4-09 09:04 AM
mgb_phys
9 1,470
Hello all. Does anyone know of a common failure mechanism for submersible pumps whereby they trip household...
May4-09 07:23 AM
vk6kro
8 2,592
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 4,621
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 1,903
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 3,529
I have an idea to build a electromagnet out of superconducting wire out of the Tl2Ba4Ca2Cu10Ox superconductor...
May3-09 03:53 PM
reddevil2576
9 1,531
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 5,791
Hello. I'm looking for electronics diagrams & schematics of very fist TOF mass spectrometers like the one of...
May3-09 12:56 PM
HallsofIvy
1 805
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 6,509

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