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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
Windadct
21 6,964
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
dlgoff
21 5,825
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 78,953
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
hussain_aamir
193 89,144
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 56,387
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 30,254
I am going to attempt to explain a recent situation at our home and will most likely use the wrong terminology, so...
T 12:38 AM
jim hardy
5 180
Hello everyone! So I am currently working on a project involving classroom equipment from PASCO....
T 12:23 AM
davenn
7 193
Hi, I have read Steinmetz books and he has a very good example of OC phenomenon that is nothing like AC case. There...
T 12:21 AM
Baluncore
10 104
Heey guys, I have a problem. I want to calculate the minimum time i have to activate a (latching)solenoid so that...
Y 09:47 PM
Baluncore
1 59
Hi everyone , new to forum, but not new to forums. I am a radar detector hobbyist and have some knowledge of how...
Y 06:49 PM
berkeman
16 397
Greetings everyone. I do not have an extensive background in Power. I've recently been brushing up on topics from...
Y 06:36 PM
sophiecentaur
7 459
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...
Y 03:36 PM
Baluncore
56 1,324
- - -
Moved: ac circuits
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Hi, I have been looking into Tesla's work and his self claimed "non-Hertzian" waves, some called electrostatic or...
Y 10:29 AM
berkeman
11 175
- - -
Hello everyone,can anyone help me to understand the phase congruency principle. I have read that,in image processing...
Y 05:47 AM
jedishrfu
1 101
So I am currently using TB6612FNG motor driver (see https://www.sparkfun.com/products/9457) to drive two dc motors. ...
Y 04:20 AM
meBigGuy
4 203
Hello everybody, Three conductors are being simulated in Maxwell with a peak current. From Maxwell I extract the...
Jul27-14 10:03 PM
Greg Bernhardt
1 250
In my search for an effective way to protect my fruit trees from animal predators and birds, I looked at the electric...
Jul27-14 07:18 PM
Baluncore
9 283
Hi, I'm currently working on a project: I'm trying to make a cell phone charger from an Altoids tin and batteries. I...
Jul27-14 06:10 PM
AlephZero
3 104
Today at work I was thinking hypothetically about a simple circuit that I was unable to get an answer that made any...
Jul27-14 11:06 AM
Averagesupernova
7 340
I understand that the electromagnetic waves inside a microwave can induce a current (terminology?) on a metal object...
Jul27-14 08:33 AM
oneamp
0 114
It's been over 20 years since I received an electronics degree I never utilized. Hopefully you guys can help jog my...
Jul27-14 05:38 AM
Jony130
3 256
Hi guys, first time posting here, but I have a question that I have been thinking about for quite a while, and I hope...
Jul27-14 12:23 AM
Simon Bridge
7 303
I'm thinking about buying a tp4056 and I'm wondering what thermistor I should buy. I looked at the data sheet and it...
Jul26-14 07:56 PM
Drakkith
36 783
I need some help designing my electromagnet because Im a bit lost with it I need to work out the guage of the wire...
Jul26-14 10:36 AM
checkmatescott
1 203
Hello guys. I'am new here and i have a question. how can i use a small motor to spin several small devices? Thank you.
Jul26-14 10:16 AM
sophiecentaur
4 253
Hello. I've create a VFO board using AD9850 module (PCB including 125 MHz crystal ... ). It works. My working...
Jul26-14 04:32 AM
Ravaner
0 169
I am working on impedance measurements of close-wound electromagnetic coils. I am using an Agilent LCR meter to...
Jul26-14 01:27 AM
Baluncore
24 1,675
I'm going to be starting university in september studying electrical engineering and I'm just looking for a textbook,...
Jul25-14 02:13 PM
trollcast
4 487
Hi all, is anyone familiar with the term 'three-line diagram'? I've been searching and googling up the wazoo, but all...
Jul25-14 02:03 PM
Passacaglia
8 576
Dear Sir, The rating of a single phase transformer is 230V / 230V (1:1), 5A, 50 hz, 1200W. When this transformer is...
Jul25-14 01:52 PM
jim hardy
1 243
Hi, What I have been trying to achieve is learn about signal processing ,particularly filters. Newbie to DSP,so far!...
Jul25-14 08:10 AM
Baluncore
1 217
Hi every one, I have a HP 34401a meter that is causing some issues with a high impedance sensor input. when I...
Jul25-14 07:31 AM
Baluncore
3 243
I have 54 Maxwell 2.7 volt 3000 farad ultracapacitors and would like to know if they can be placed in series with 12...
Jul25-14 02:08 AM
mistareno
29 12,877
I don't have a clear perception of how the following question is answered: "Two primary cells of emfs E1 and E2...
Jul24-14 05:51 PM
sophiecentaur
9 1,375
Hello all, I am currently studying as an EE and realized I messed up something with my career path. I am not sure if...
Jul24-14 11:01 AM
Elekromatik
3 346
I'm looking for some help setting up a circuit system. Were currently using a magnetic type trigger relay. Im trying...
Jul24-14 09:26 AM
jim hardy
3 316
I'm a bit confused on some of the fundamentals of Alternating Current, if anyone could help me out it would be...
Jul24-14 05:24 AM
psparky
16 651
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
sophiecentaur
7 429
Can anyone provide some literature on antennas spaced apart such that the spacing distance is much less than the...
Jul22-14 11:49 PM
Baluncore
10 1,703
Can I use a 315MHz transmitter module to send a composite video signal to another reciever module?
Jul22-14 10:37 PM
Tesladude
11 819
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
Tesladude
4 446
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
NascentOxygen
6 651

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