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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...
Apr10-14 04:04 AM
mwvivi
189 60,479
As we know due to skin depth effect the Alternating Current flows at a depth from the conductor surface (which means...
Apr6-14 07:00 PM
meBigGuy
48 1,072
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Feb4-14 04:57 PM
davenn
62 59,230
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for...
Dec3-13 12:53 AM
doubtbook
27 46,950
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 25,915
when transforming from the discrete to continuous domain and vice versa we can either use the linear transform...
Jan17-09 07:52 PM
Adham
0 816
Hello i need help to get this working if its possible, will try explain what i have come to. I have 2 dc motors that...
Jan16-09 07:51 PM
Clue144
5 998
I am going to be doing EE at university this year and i am looking at purchasing a laptop to use. So the question...
Jan16-09 01:53 PM
misgfool
1 1,965
Can a 12 volt car battery illuminate a 120vac 100 watt bulb ? I not sure if a bulb that is rated for 120 volts can...
Jan16-09 09:30 AM
Redbelly98
9 5,989
Hello all, Im new to the site so please dont hurt me :blushing: ! My final goal is to measure linear speed of a...
Jan16-09 04:19 AM
cshieldsx
7 1,320
Hi I need to Interview a Computer or Electrical Engineer for an assignment. If somebody could answer the following...
Jan15-09 08:02 PM
berkeman
1 997
Hey guys, I have a question about the Bode diagram of a second order high-pass filter (one with both a capacitance...
Jan15-09 04:25 PM
yoran
10 18,236
Is there a device or method for automatically (non manually) varying a resistor? Basically we have A...
Jan15-09 12:32 PM
skeptic2
5 4,504
Hi guys I want to learn how to program a 555 timer. I searched google and there doesn't seem to be any sort of...
Jan14-09 09:48 PM
xboxmodandrep
13 9,507
I'm trying to find a DC motor in the 3-3.5kW 12-24V range (Preferably 24V) for a project that will utilize the motor...
Jan14-09 12:14 PM
brewnog
1 785
I found an old circuit diagram online but have never been able to find it again. Here is what I am trying to do:...
Jan14-09 05:38 AM
skeptic2
7 25,019
hi am going to do my mini project this feb...i have chosen this as my topic.. if anybody has information about this...
Jan14-09 05:34 AM
russ_watters
8 1,363
It appears everyday electric space heaters, that is resistance heaters, are virtually 100% efficient. No matter what...
Jan14-09 12:02 AM
russ_watters
19 11,148
Hello, how can i connect an antenna with 75Ω line impedance if vna has 50Ω input impedance. thanks
Jan13-09 10:16 PM
Corneo
13 1,920
Hi all... I plan on using the following device: http://www.pc-control.co.uk/images/Wasp Manual.pdf to monitor 12v...
Jan13-09 01:10 PM
mgb_phys
8 5,084
Hello, I am trying to understand how this graph http://en.wikipedia.org/wiki/File:Bandwidth_2.svg gets plotted. My...
Jan13-09 12:52 AM
The Electrician
5 10,925
It is well-known that the step-response of an ideal low-pass filter (Gain = 1 for f = 0 to F and = 0 for f = F to...
Jan12-09 07:56 PM
quadraphonics
22 2,968
I am studying Poynting vectors. I run into question that I don't see any good explaination in all the books I have....
Jan12-09 05:09 PM
yungman
5 1,144
Hi Guys, I seem to have forgotten most of EM, but I was hoping for some help on estimating the capacitance of a...
Jan12-09 02:17 PM
berkeman
3 1,789
can anyone tell me my quote is feasible? Electronic devices requires 1 to 12v approx to function. Indian...
Jan12-09 08:30 AM
mgb_phys
1 2,252
Can anyone explain about or point me to any articles about using transistors as zener diodes ? Why not just use...
Jan12-09 02:58 AM
yungman
1 9,944
Hey I have a 10amp 12v power supply and a 12v 3amp motor. Is there any way to add enough resistors to use the 10amp...
Jan11-09 10:23 PM
Proton Soup
5 4,197
hi i was studying the "wave characteristics of transmission lines". while considering the lines with resistive...
Jan11-09 10:02 AM
varunag
2 4,451
I am working in an Auto Parts manufacturer company which one of its production is DC motors used in different...
Jan11-09 07:29 AM
ahrouhi
9 9,601
I have a question, somewhat of a curious nature. Say you have an electrical generator that keeps running and running,...
Jan10-09 08:33 PM
Proton Soup
21 13,559
Hi, I am doing an experiment to investigate the propagation loss in some nanophotonics structures. The laser light...
Jan10-09 08:17 PM
n0_3sc
1 1,396
Can anybody tell a few good sources for 1dimentional signal decimation? Either books or URLs? I know how to use the...
Jan10-09 10:41 AM
ravi_bm_87
1 3,439
how come some computer parts double they're power once in like 18 months or so? it's kind of weird...alwais +100% and...
Jan10-09 10:09 AM
theallknower
4 798
If a thick wire has less resistence which allows more current to flow, why not always use a thick wire rather than a...
Jan9-09 09:57 PM
Danger
18 27,060
Hi, intro. Someone said that it in theory there is no difference between theory and practice, but in practice...
Jan9-09 04:46 PM
ArixII
0 1,200
Hello! I have an 8-pin IC that does NOT have a notch in it, and I'm a bit confused on the orientation. The...
Jan9-09 01:48 AM
IHateMayonnaise
5 12,259
hi i wanted to know if anybody that knew about dsp and all the fourier series and transforms had any advice on how to...
Jan9-09 01:40 AM
madchiller
4 1,324
Hi guys, I'm in my final year of my physics degree and for my first semester project I had to make a dipole radio...
Jan8-09 04:57 PM
Naty1
6 6,419
Is it true that lossless transmission lines don't distort signals? to me, they seem like low pass filters. i had...
Jan8-09 11:53 AM
yungman
7 3,814
Maybe your all aware of the easily available kits found online without retailers, maybe I can give you an idea of why....
Jan8-09 11:45 AM
yungman
9 1,797
Hey all I have constructed a basic electromagnet with a nail and a coil of copper wire. I plugged it up to a 9V...
Jan8-09 08:35 AM
Redbelly98
3 1,376
Hi I am trying to calculate impedance in a line transmission but cant seem to figure it out :( i have so far...
Jan8-09 02:00 AM
yungman
4 1,073
I'm not so familiar with dc-dc converters. Here are my two questions, maybe stupid ;) 1. How to get a steady 3.3v...
Jan8-09 01:13 AM
yungman
5 1,446
Hi all, I am planning some electrical installation in my home and I am not sure about the norminal current that the...
Jan7-09 10:11 PM
pixel01
3 21,051
Not a homework question, Just trying to get more information about it. Its hard to find a textbook or a site that...
Jan7-09 08:04 PM
turbo
5 4,570

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