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Jan16-12 Greg Bernhardt
Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Jul21-14 08:30 AM
21 5,972
Even as a kid, I saw beauty in old devices. That made me want to understand how they worked. I had lots of old...
Jul21-14 12:14 AM
21 4,782
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 76,264
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...
Jul5-14 05:32 AM
193 85,032
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 55,103
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 29,678
I'm thinking about buying a tp4056 and I'm wondering what thermistor I should buy. I looked at the data sheet and it...
T 05:10 PM
17 174
Hi everyone , new to forum, but not new to forums. I am a radar detector hobbyist and have some knowledge of how...
T 04:52 PM
7 114
I have a working FFT, but my question is how do I convert it into an IFFT? I was told that an IFFT should be just...
T 04:26 PM
36 564
Today at work I was thinking hypothetically about a simple circuit that I was unable to get an answer that made any...
T 03:45 PM
4 110
In my search for an effective way to protect my fruit trees from animal predators and birds, I looked at the electric...
T 03:41 PM
1 58
I'm going to be starting university in september studying electrical engineering and I'm just looking for a textbook,...
T 02:13 PM
4 243
Hi all, is anyone familiar with the term 'three-line diagram'? I've been searching and googling up the wazoo, but all...
T 02:03 PM
8 312
Dear Sir, The rating of a single phase transformer is 230V / 230V (1:1), 5A, 50 hz, 1200W. When this transformer is...
T 01:52 PM
jim hardy
1 52
I need some help designing my electromagnet because Im a bit lost with it I need to work out the guage of the wire...
T 12:10 PM
0 51
I am working on impedance measurements of close-wound electromagnetic coils. I am using an Agilent LCR meter to...
T 09:08 AM
20 1,131
Hi, What I have been trying to achieve is learn about signal processing ,particularly filters. Newbie to DSP,so far!...
T 08:10 AM
1 67
Hi every one, I have a HP 34401a meter that is causing some issues with a high impedance sensor input. when I...
T 07:31 AM
3 84
Hi guys, first time posting here, but I have a question that I have been thinking about for quite a while, and I hope...
T 04:00 AM
6 86
I have 54 Maxwell 2.7 volt 3000 farad ultracapacitors and would like to know if they can be placed in series with 12...
T 02:08 AM
29 12,563
I don't have a clear perception of how the following question is answered: "Two primary cells of emfs E1 and E2...
Y 05:51 PM
9 1,002
Hello all, I am currently studying as an EE and realized I messed up something with my career path. I am not sure if...
Y 11:01 AM
3 124
I'm looking for some help setting up a circuit system. Were currently using a magnetic type trigger relay. Im trying...
Y 09:26 AM
jim hardy
3 131
I'm a bit confused on some of the fundamentals of Alternating Current, if anyone could help me out it would be...
Y 05:24 AM
16 402
Hello everybody, Three conductors are being simulated in Maxwell with a peak current. From Maxwell I extract the...
Jul23-14 09:43 PM
0 75
Hi, I'm hoping I'm in the right section, I wasn't quite sure. For a couple of days I've been trying with no success...
Jul23-14 10:37 AM
7 219
Can anyone provide some literature on antennas spaced apart such that the spacing distance is much less than the...
Jul22-14 11:49 PM
10 1,352
Can I use a 315MHz transmitter module to send a composite video signal to another reciever module?
Jul22-14 10:37 PM
11 528
I have a boss subwoofer amplifier which I recently discovered was causeing the distortion I have been hearing in my...
Jul22-14 07:15 PM
4 240
As I have studied that when the reverse voltage across zener diode is less thsan the zener voltage it is replaced by...
Jul22-14 10:10 AM
6 397
I am stumped by an exercise in using Laplace transforms to analyze the voltage and current in simple LC tank. My...
Jul22-14 08:42 AM
4 541
Hi every one, I am examining a prototype device that is designed to analyse current from an electrochemical O2...
Jul22-14 03:01 AM
22 671
I'm a non-electrical engineering student however want to gain knowledge and experience with different electrical...
Jul21-14 11:35 PM
8 797
i'm shopping online for an LED bulb and one site gives the estimated lifetime of the LED. So, i was wondering what...
Jul21-14 07:30 PM
1 255
anyone know what the metal fin-like structures are? i see these on alot of LED...
Jul21-14 07:26 PM
2 214
I opened my old VCR and on one of the circuits was a component which I couldnt recognize. Im usually quite good at...
Jul21-14 10:07 AM
4 305
How are constant current sources different than any other source? Also, would they really have a constant current in...
Jul21-14 09:00 AM
34 2,031
my living room light switch controls two lights. one of the light bulbs just went out. since the switch controlled...
Jul21-14 02:14 AM
8 318
Hi I need a circuit to charge 4 aa lithium ion batteries. I need it to charge at 5 volts and when the batteries are...
Jul20-14 06:50 PM
7 669
Hello, This is my first post on this forum and I better warn you that there maybe some poor grammer and spelling...
Jul20-14 01:26 PM
9 520
I am about to install a 625 KVA generator in a place where the ambient temperature is around 60* centigrade. What are...
Jul20-14 10:17 AM
jim hardy
2 295
The equation for the barrier potential is as follows: Vb = Vt loge(Na*Nd/square(n)) mV where Vt=KT/e This...
Jul20-14 08:12 AM
Simon Bridge
1 300
Hello, as just a fun curiosity, I was pondering what the circuit diagram of a square inch of air would look like. I...
Jul20-14 07:30 AM
5 449
Please explain the below: Resistance@95 =R@35 x (1+α*(95x(I/Io)+20))/(1+75x α) at the actual current A (I Act).
Jul20-14 04:11 AM
10 579
I am working on simulation and calculation of solar charge controller for lead acid battery..I simulated two solar...
Jul19-14 10:54 PM
Hina Gohar
2 472
Hello! I am a bassist in a rock band and I hace slight issue with trying to rig up this ...
Jul19-14 03:39 PM
10 436

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