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Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Apr19-14 03:36 PM
meBigGuy
19 441
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 61,251
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 59,737
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 47,273
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 26,054
Hello, Can you recommend me a good book where these 3 topics are very well covered, and magnetism in general. I...
Feb17-11 01:52 PM
Bassalisk
0 1,156
Hi everyone, just a quick question. I just heard someone say a superconducting electromagnet does not produce...
Feb17-11 12:27 PM
osnarf
4 885
Hi there, I have been reading the paper: "On the importance of radiative and Auger losses in GaN-based quantum...
Feb17-11 12:27 PM
McKendrigo
0 1,142
Can someone explain to me why sometimes I see the DTFT as functions of capital omegas or e^(jomega). I'm failing to...
Feb17-11 09:31 AM
marcusl
1 1,173
Hi guys... Just saw the Paintball gun thread...gave me an idea of updating my old toys... I want to make a...
Feb17-11 08:47 AM
jenelann
6 14,554
Are there any large kits I could buy to practice circuits from the book? What about kits for any other famous EE...
Feb16-11 11:01 PM
berkeman
6 1,657
I am confused from a couple of diagrams I have about how to correctly wire 3 small transformers to form a delta wye...
Feb16-11 10:28 PM
sauce6358
5 3,475
I was looking at a book with the same symbolism as above on the left and i assumed that the bulk was always connected...
Feb16-11 09:52 PM
jsgruszynski
3 1,286
I'm attempting to write some simulation VHDL code that will be able to write the output of my simulation as a single...
Feb16-11 03:10 PM
crono1009
0 2,537
I am trying to invert the the output of a battery so I can run an op-amp double ended with 5 volts and -5 volts. The...
Feb16-11 01:41 PM
dmorris619
4 1,149
Hello my name is Colin Wilson and I am the inventor of a new mineral separation process. ...
Feb16-11 12:47 PM
Carl Pugh
1 596
Hey everybody, Iím taking a class in switching theory, and am having a little trouble with a theoretical review...
Feb16-11 12:04 PM
berkeman
2 1,406
is it true that the voltage at a point means the quantity of charge at that point?if not then what is voltage? thanks
Feb16-11 11:33 AM
tiny-tim
3 674
I was reading about poles and zeros and found this good article by Maxim -...
Feb16-11 05:40 AM
likephysics
0 1,561
why cant we do so..?
Feb16-11 02:17 AM
prashantgolu
0 1,163
Hello, could someone please verify the proper way to supply power to this particular DAC chip:...
Feb15-11 10:45 PM
vk6kro
1 859
Anyone has traxmaker Pro 3 software (demo or regular), please send to yy.toh@live.com.my thank you
Feb15-11 02:23 PM
yy.toh
0 1,676
Greetings, I am studying electrical engineering, and one thing puzzles me. I learned that by convention, in solving...
Feb15-11 12:25 PM
Studiot
14 3,163
Hi, I am doing an application regarding SMPS. In the project i encounter the terms "Burst duty, burst frequency,...
Feb15-11 11:32 AM
berkeman
3 1,149
If i connect the positive terminal of a 5 volt battery to positive terminal of 10 volt battery and the negative...
Feb15-11 10:41 AM
berkeman
1 650
William February 14 2011 I am wondering if i could have a few career electrical engineers to answer a few...
Feb15-11 10:39 AM
berkeman
1 533
Hi, I have a quick question regarding Operational Amplifier's. I understand in an ideal Op-Amp the current through the...
Feb14-11 10:22 PM
cabraham
3 1,579
Hi, I want to power a wifi device using solar power. But I see the datasheet which has input voltage -48 VDC. I...
Feb14-11 05:40 PM
sophiecentaur
15 2,399
I just started working on a furnace that uses the puck type thyristors for the main power switching. Every now and...
Feb14-11 06:48 AM
roro36
6 2,053
I know from the data sheets that a Preamplier (EDFA) requires lower input optical power, but can offer high gain (eg...
Feb14-11 04:29 AM
jsgruszynski
1 1,681
Hello people I am trying to revise for my exam next week..I have searched everywhere but still I cant find how to...
Feb14-11 12:44 AM
staticd
24 33,721
Hello Physics Forums, I'm attempting a portable energy generator that will apply the Seebeck Effect to a campfire,...
Feb13-11 10:48 PM
Stan52
7 3,203
Hi, Can any one explaine me what is the basic difference between the mentioned question and how it differs on...
Feb13-11 05:34 PM
berkeman
9 2,351
Say you had a lossless transmission line that consists of an ideal source, a 50 ohm impedance, a 100 ohm impedance,...
Feb13-11 03:17 PM
Bob S
4 1,103
I was just looking for some insight on this problem. It is not a homework problem, my boss just asked me to figure it...
Feb13-11 08:39 AM
abubaker
9 13,814
I am a physics student new to the world of electronics and I have a question that may turn out to be very simple. What...
Feb13-11 03:43 AM
uart
2 2,082
what are neutral wires and their colours??????
Feb12-11 11:13 PM
davenn
4 804
In general, if I have a constellation of symbols, how can i calculate the energy por bit? I think I should calculate...
Feb12-11 07:22 PM
berkeman
1 2,367
I am studying to become and electrical engineer and am currently taking Electronics I. I am having trouble...
Feb12-11 06:27 PM
dlgoff
6 6,022
I'm planning to design a PIR motion sensor. I wanted to know if I can use ordinary class-A amplifiers to amplify the...
Feb12-11 05:53 PM
berkeman
1 943
Hi, ok so everytime I think that I have understood the concept of Energy transmission, losses and voltage drop, I...
Feb12-11 05:50 PM
mathological
10 2,693
Hello, I have two devices, one that emits a 5V DO and another that recieves a 24V DI. I wanting to interface them...
Feb12-11 01:06 PM
Bob S
9 7,069
Guys, I was wondering if any of you has encountered a problem with multiple energy sources and the analytical...
Feb12-11 12:19 PM
FrankST
2 660
So I was wondering if I could get some help and advice on a project I am working on. I have next to no experience or...
Feb12-11 08:15 AM
uart
2 1,723
I have a source of 800 Kilo Ohms and I want to power an LED with that source. Which I would presume the LED would have...
Feb11-11 08:35 PM
Jiggy-Ninja
3 1,408

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