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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...
Aug13-14 03:22 PM
Fuxue Jin
194 94,105
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
63 82,318
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
27 58,124
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 31,038
Hi, im new here and have a couple questions. First, If someone is standing in their house on a carpeted floor with...
Apr9-09 05:18 AM
2 1,005
What are the major device ratings for a MOSFET?
Apr9-09 04:18 AM
1 2,702
Hey Guys, I'm having trouble designing an inverter to power an ac motor using a fuel cell with MATLAB. With the...
Apr9-09 12:06 AM
1 4,441
I am given the autocorrelation of a wss rp which modulates a carrier cos( w0 t + \Theta ). I am to find the...
Apr9-09 12:01 AM
1 1,389
I'm trying to clear up my picture of basic electricity and electronics. I've looked at some other posts that ask what...
Apr8-09 06:15 PM
7 1,067
When a transformer is rated 225 VA, Vprimary=120 V and Vsecondary=9KV, Isecondary=25 mA, does this mean that on the...
Apr8-09 04:23 PM
7 15,676
I have trouble getting my head around Zener Diodes. If you reverse bias them, and apply a current, it will not conduct...
Apr8-09 04:43 AM
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Hi, I am trying to charge my body to voltages around 300V. I have a high voltage DC power supply; I can set the...
Apr8-09 01:10 AM
9 1,181
-I know its the "distribution"! but I`m asking about, like, how would the "distribution" be continuous? -I think the...
Apr7-09 01:26 PM
Bob S
2 2,699
The other day I came into my living room, and noticed that the CFL in one of my lamps was flickering like crazy. Of...
Apr7-09 12:02 PM
Proton Soup
5 1,829
First of all, I don't come here that often so I didn't know where to post this. I'm still in High School so my...
Apr6-09 07:42 PM
7 5,045
Hello everybody, I'm currently taking Electrical Engineering as senior physics major at Fordham University and have...
Apr6-09 06:03 PM
4 46,389
Hi, I'm just a humble biologist (writting up a PhD Thesis in Neuroscience) and I'm trying to get a feel for how my...
Apr6-09 05:55 PM
20 1,822
hi i recently started learnning electronics from several books and tutorials online i ran into this circuit on...
Apr6-09 04:45 PM
12 1,781
For our design, we're sending at most 7A (usually less) to a prototype board with a resistor and MOSFET on it... can...
Apr6-09 02:56 PM
11 2,793
I'm building a tank circuit and I need to have an output and a ground connection. The type of circuit is a parallel LC...
Apr6-09 01:25 PM
Bob S
2 905
Hey, I'm a newbie trying to figure out a few crucial additions to my circuit I'd like some tips and suggestions.. ...
Apr6-09 08:25 AM
23 13,389
Can someone help me understand what this solenoid is doing? It's somehow integrated into a switched shutoff system. ...
Apr6-09 07:55 AM
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hey, I'm trying to use matlab to simulate a simple RC low pass filter. I have an array of data that represents the...
Apr5-09 06:38 PM
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I am getting ready to make a tube preamp to drive a Leslie speaker. I want to use a 12AX7 and 12BH7. I plan on using...
Apr4-09 09:14 PM
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How does the relative position(series or parallel) of a resistor affect the calculation of the RC and LC time...
Apr4-09 06:12 PM
1 1,499
Hi, Frankly, I'm new to this forum. So please do guide me if I posted wrongly. I need some help in sizing the...
Apr4-09 10:04 AM
4 11,022
Can someone please give me some general rules of thumb in dealing with VFDs and 3 phase dual wye motor winding...
Apr4-09 08:07 AM
1 3,700
Hello all! I am a student of electrical & electronic engineering, in my final year; for my dissertation, I am...
Apr4-09 04:48 AM
23 5,400
This is a question about the so marketed "boutique" ATX power supply I was investigating in an earlier post - I was...
Apr4-09 01:40 AM
0 756
I am currently designing a water distribution system to be installed in Honduras and have run into a small problem. ...
Apr3-09 02:06 PM
6 5,094
Hello All, I'm trying to determine if there is a way to make a voltage controlled resistor using an Op-Amp (or...
Apr3-09 11:58 AM
11 24,241
I have been recently reading papers on Generalized Pencil of Functions and Prony Method (parameteric modeling). It...
Apr3-09 11:49 AM
2 2,395
Hi, I want to use a variac that i've got (4A rating) to power one of these: ...
Apr3-09 11:32 AM
2 2,003
Is parameter estimation in DSP concerned with things such as bit error rates, maximum likelihood detection etc ... ? ...
Apr3-09 10:51 AM
2 1,414
Hi I'd appreciate help with the following problem: Suppose I have a Bayesian metric for navigating a trellis to...
Apr3-09 03:56 AM
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I've modified a piece of exercise equipment so that it generates 12v dc. Max current is almost certainly less than 1...
Apr2-09 06:40 PM
Rick Martin
4 1,429
Hi All Anyone know where I might find the IV curve for a General Electric BD-5 tunnel diode? I have found a few...
Apr2-09 12:50 PM
jack b
4 3,987
What is the physical explanation for the power transfer in a circuit being maximum when the resistance of the system...
Apr2-09 12:38 PM
9 1,761
Hey everyone, first of all id just like to clarify this isnt a homework or coursework related problem, its part of my...
Apr2-09 05:34 AM
0 2,877
When a diode is first manufactured, the electrons in the n-doped region tend to flow to the p-doped region due to...
Apr2-09 04:30 AM
1 738
Can someone please give a concise and complete derivation of the following Fourier Transform: x(t) = e^(j*w0*t) ...
Apr1-09 07:09 PM
Bob S
1 671
It's me again. Big ideas, big questions. (A quick special thanks to everyone who has ever taken a moment to answer...
Apr1-09 11:26 AM
12 4,303
Hello, If I have two induction motors, both rated power are 200KW. One is based on 400V input, and another is 1KV...
Apr1-09 08:42 AM
4 2,430
What is the difference between 60Hz voltage and 60Hz current. I know that 60Hz current i believe that 60Hz current is...
Apr1-09 02:01 AM
14 21,490

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