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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,247
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 95,215
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 58,575
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 83,061
Hello, I want to make a DC to DC voltage converter so that I can "step up" the output voltage from what it is to...
May12-10 10:38 AM
winerd
22 3,828
I am in real trouble here in Los Angeles. My computers and phone system are going down intermittently and it is...
May6-10 09:52 AM
Electro-Man12
125 7,799
Hello everyone , I am still new to the protection field so i would appreciate if you can help me with analysis of...
May8-10 12:31 PM
a7med_mos6fa
5 5,578
Hi everyone, I'm not sure if this is a basic EE problem as I'm in aerospace and I would like to apologize if i...
May12-10 10:58 AM
PeterShaw
1 2,179
Can the power factor of an electrical system ever be greater than 1? if yes.. then when and how?
May12-10 06:25 PM
mheslep
5 8,017
Can someone give me a circuit diagram i can use to change the frequency of AC current?
May14-10 11:54 PM
sivapoliticia
19 8,159
hi, im looking to connect a 230V AC to an 4V LED. i was suggested a thyristor could be used then a rectifier to...
May7-10 05:01 AM
vk6kro
7 2,065
Hello, i'm designing an experiment that requires a short pulse of electricity at voltages above and beyond 10,000,000...
May12-10 09:30 PM
taylaron
5 2,336
Hi all, i am working on an 110W inverter (Dc to AC) project that the input voltages varies from 700Vdc-1000Vdc and...
May14-10 04:01 AM
Phrak
8 8,728
Hi, My main question is how to ground a 2-prong if the electrical utility originally was a 3-prong, but the...
May6-10 09:51 PM
Averagesupernova
109 15,335
If we have a magnetic field and a ferromagnetic material subjected to this field, the body will rotate until its...
May7-10 02:55 AM
uart
3 1,802
Hi, i have this gyrator circuit that is equivalent to an inductor of 11.11mH and im required to show that if the...
May11-10 07:05 PM
The Electrician
18 4,556
Hello, Can someone tell me if my idea is workable or not. I need to install a PA system in one of my training...
May9-10 10:45 PM
Averagesupernova
6 2,661
Note: I learned German while I lived in Switzerland for 2 years. I'm studying to be an EE right now. From your...
May11-10 01:29 AM
jordainloves
9 3,600
Hi everyone, i have a question or two about the phases of a 3 phase A.C. generator. I have read about and seen several...
May6-10 05:19 PM
jearls74
7 2,799
Okay, I want to add a filter onto the end of this circuit with the transfer function: \frac{1 - 3e^{-sT} +...
May5-10 05:59 PM
mohsenman
1 916
Hi there, I have a question on DC generators stator assemblies?? I've been given a standard DC alternator wye...
May7-10 01:07 AM
PaulS1950
1 1,478
Please Can any one help me with some information (Research, web sites,.....ect) about DISPLAY DEVICES. Thank you in...
May8-10 05:02 AM
glory9668
4 1,063
what are the methods of improvement of surge impedance loading
May7-10 01:23 PM
berkeman
1 1,390
tell me something about DC offset component in reference toshort circuit fault current
May7-10 09:40 PM
Carl Pugh
2 2,222
Anyone have a labeled diagram of the circuit in an optical mouse? Or know where I could find one?
May12-10 08:18 PM
Xitami
3 9,787
Hi, I've got a square wave: x = square(2*pi*10*t); with time vector: t=0:0.001:2; I've also got a random noise...
May8-10 07:06 PM
frenzal_dude
2 6,038
Hey all, Does anyone have any advise for someone who is starting out in eletrical engineering? Do you know of any...
May10-10 03:20 PM
0xDEADBEEF
1 783
I'm teaching myself some physics, and I am having some difficulty with the concept of drift speed. My book derived the...
May8-10 05:25 PM
sophiecentaur
2 2,055
I have a circuit that uses a resistor to drop the input voltage. From my calculation, the power dissipation thru the...
May11-10 05:35 PM
TurtleMeister
5 4,225
I am trying to drive a 5V DC motor using a MCU output. The motor is run directly off the +5V line which is...
May12-10 07:09 PM
vk6kro
2 4,310
If I were interested in contructing my own DVD or Blu-Ray player, where could I buy the tray and laser assemblies from?
May11-10 02:43 PM
JerryG
0 713
Has anyone come across, or may be able to point me in the direction of a method for evaluating the inductive reactance...
May12-10 12:51 PM
Sandgroper
0 861
Ok, I know this may sound silly, but I enjoy programming and want to take it to whatever level I'm able to. ...
May12-10 03:31 PM
MonkOFox
4 1,091
Hi all, I have been trying to get a MCU to send a +5v signal and in turn switch a N channel MOSFET with a VDS of...
May13-10 07:29 PM
MATLABdude
6 9,796
Hi, I'm trying to build what a biologist would call a "stimulus isolator". That is, I have a voltage follower...
May13-10 05:56 AM
skeptic2
9 1,448
I'm wondering how I could make an extremely small speaker (ideally the size of a stack of 3 quarters) that played a...
May13-10 04:50 AM
MATLABdude
1 1,328
Hi! I'd like to know which DSP processor or DSP starter kit is suitable for the radar signal processing. Is c6713 DSK...
May13-10 01:44 AM
khaing071
0 894
I want to estimate the power of a CMOS inverter circuit. I want to ask that is there any software for simulation...
May13-10 01:42 PM
bilalarif
2 3,910
Hey. Im currently doing a bit of revision for an exam and I am struggling on the following question: I...
May13-10 09:09 PM
Averagesupernova
5 47,438
could one attach an op amp to a wifi transmitter to amplify the signal? thanks.
May13-10 07:28 PM
berkeman
2 902
Hi. I am working on a circuit to control a dc motor using a pwm signal. The problem is that the pwm source (a...
May14-10 08:50 PM
vk6kro
8 5,673
Today's ethernet networks we mention are broadband in nature or baseband? May mixed PCs send messages simultaneously...
May14-10 01:52 PM
LSE1234
8 1,134
As the title says (and yes, I know it sounds a bit weird), what's the best way to make a warmable metal plate (70*45...
May14-10 07:13 PM
nucleus
7 1,971
What is the meaning of the topleft most symbol in this Cockroft-Walton schematic? ...
May15-10 10:33 AM
Integral
2 3,133

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