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Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
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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 47,095
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 60,827
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 59,478
Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Y 03:36 PM
meBigGuy
19 297
Hello, I'm baffled as to why different frequencies affects the output (amplitude) of a integrator and...
Dec9-09 04:47 PM
Adjuster
3 2,768
How can I give interface traps while simulating a power MOSFET in Silvaco ATLAS tool?
Jan22-14 03:27 AM
biju4u90
0 215
Hi. I noticed that my phone charger (output: 5V DC) makes a constant high pitched noise when plugged into the wall....
May20-12 02:51 PM
yungman
3 1,662
i need spice software . any version .
Jan3-10 10:11 AM
Redbelly98
1 1,684
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 3,789
guys im new to here and new to matlab i have assignment to do in matlab. what i have to do is load a analog...
Nov13-10 02:14 AM
Feldoh
7 1,032
what kind of sensors do EEs use for condition monitoring in the electro- elements of an electromechanical system? with...
Nov9-07 04:11 PM
smn
2 1,165
Hi all. I'm a mechanical engineer by training and a manufacturing engineer by trade. I currently find myself in...
Mar22-12 12:12 PM
russ_watters
11 854
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
bill.connelly
20 1,735
I'm trying to wrap me head around what should be a very simple system, but I just can't manage it. I know there is no...
Dec2-09 04:11 PM
berkeman
1 835
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 1,310
About thirty years ago I was experimenting with some electrical/magnetic devices and found that a machine called a...
Feb7-09 11:08 AM
Phrak
2 3,334
As a mechanical engineering student who is interested in designing and constructing underwater ROVs and AUVs, I have...
Jul17-05 05:51 PM
Jelfish
11 15,529
Moved to Mech Eng.
Oct29-07 07:55 PM
billblack
0 2,899
Scientifically, it doesn't make sense why you can't just wind up wire without really much air in the middle. In order...
May19-12 05:32 AM
sophiecentaur
8 1,095
I am trying to understand how a 3-bit shifter works internally. I am trying to design a shifter that can shift left or...
Oct30-08 12:05 PM
billson
0 1,397
I know that an electro magnet can have a higher tesla rating when you increase the current or the times revolved...
Feb15-04 04:02 AM
wimms
1 7,204
Hi I need help designing a constant current constand voltage charger for li-ion batteries. Anyone have any help?...
Nov12-08 12:16 PM
famousken
2 4,672
Hi All I am wondering does anyone know the voltage limits of standard mux such as 74151A. I aim to place diferent...
Nov22-08 08:42 AM
uart
5 1,089
Hi I need to take in a number of analog voltages onto an ADC but the ADC is a single input. I was thinking of...
Feb4-09 02:38 PM
berkeman
1 713
Hi All i am thinking of using an LM317 to deliver a constant current (CC) of aprox 1A to li-ion batteries for...
Mar8-09 10:03 AM
uart
3 3,895
Hi Can someone help me on how i can calculate the input common mode range for this pmos diff pair. I'd have an idea...
Mar20-09 12:00 PM
BillyBobjoe
3 4,771
Hey everyone! I'm looking for general ideas on how to take advantages of high EM-fields created in for example ,...
Oct9-11 05:37 PM
sophiecentaur
3 741
I have a circuit-diagram for a train which in the final stages converts the power to a 3-phase AC voltage (IGBT) that...
Apr2-13 03:10 PM
Windadct
1 428
Hello all, I would like to ask how one can switch on and off a device connected to 220 V using one microprocessor...
Nov1-04 10:04 PM
Averagesupernova
5 4,401
Hello, so another question I can't find the answer to anywhere else: at what point in a magnets travels does it...
Jan11-11 01:58 PM
BilPrestonEsq
29 4,222
So I can't seem to find out why generators aren't designed so that the coils are passing in between TWO magnets N...
Jan7-11 02:42 PM
BilPrestonEsq
2 974
What are the factors that affect how much current is drawn into an AC induction motor? I dont understand how a motor...
Jan26-11 05:26 PM
Bob S
16 4,457
How would one go about creating a speed control circuit for a brushless DC motor? I need two circuits to pulse DC in...
Jan27-11 01:05 AM
BilPrestonEsq
8 2,227
Ok, so I want to run a single phase synchronous ac motor from a dc source. So what I was thinking (obviously not EE)...
Jan26-11 12:33 PM
BilPrestonEsq
0 785
Understanding the amount of 'power' in Watts to kill a human. It is said that around 20ma is enough to kill. So I...
Oct21-08 10:54 AM
davvb
26 5,034
I need help find a good page which talks about the physics of a tranformer. I know all about the b fields and the flux...
Feb13-04 08:25 PM
mmwave
1 1,233
I was wondering if there was any way to predict the maximum distance an arc can form by its voltage (assuming standard...
Feb1-04 08:32 PM
binaryblade
0 3,522
I'm trying to build one of those mini sumo robot's as a project and I have a working drive circuit. I'm trying to...
Mar17-04 12:38 AM
binaryblade
8 3,708
I thought about the different configurations of the homopolar generator. Asking the right questions helps to lead me...
Jul28-10 07:51 PM
Averagesupernova
4 6,244
hello every one i'm new on this site and this is the only forum i discovered so far that deals with electronics i...
May15-11 04:41 PM
berkeman
1 3,138
Is the following correct? I have a simple series RL circuit with a square wave input (periodic) defined by: ...
Mar20-06 09:18 PM
bingie
0 4,230
Hi everyone, I'm wondering if given a particular load impedance (Zl) and some general information such as length of...
Dec3-11 03:59 PM
binhexoctdec
3 1,916
Hi, I'm trying to work out the real & reactive power losses through transformers and MV cables(185s, 400s and 630s)....
Sep26-10 05:00 PM
Binnie71
0 2,264
Greetings. I am asking for help connecting a Wago 24vdc power supply to a Galil motion controller. I have a very...
Sep18-11 11:28 PM
pantaz
1 1,200

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