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Jan16-12 Greg Bernhardt
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 94,861
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 82,824
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 58,448
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,182
Hello there, I'm seriously considering doing Electrical Engineering (and to branch out into Aerospace) but i still...
Dec14-06 05:04 PM
russ_watters
39 12,568
1. If the Voltage Drop across a load increases due to its added resistance, what happens to the voltage drop across...
Sep3-08 12:08 PM
Defennder
39 6,017
I am making a heated motorcycle jacket - so 13 volts DC (actual measurement while riding). For heating wire I am...
Feb8-10 08:27 AM
sophiecentaur
39 15,228
Hello all, I'm currently working on a project and I have a question in regards to creating an efficient induction...
Feb23-10 12:14 PM
jegues
39 6,110
Hi, I'm looking into the control of a PMSM (permanent magnetics synchronous motor) motors using H-briges and PWM...
Aug2-12 09:02 PM
jim hardy
39 5,066
Ok, in my house there are 220V outlets with 3 pins (earth, live and neutral). the earth wire is sent to a metal pipe...
Dec2-04 08:34 PM
Averagesupernova
38 7,332
Hey, I'm trying to grasp a more physical meaning of what exactly is meant by a leading/lagging voltage/current. In...
Apr20-12 07:24 PM
eemichael83
38 35,301
At a time when pc's come with microprocessors clocked at frequencies of the order of 4 GHz, it must be possible to...
Feb7-08 03:35 PM
chroot
38 3,643
Hi everyone, I am trying to design a 50mA-500mA constant current source for my project. I found the following...
Feb28-10 01:10 AM
ksac
38 8,423
If one had a microwave oven transformer (MOT) from a microwave that was said to be 1200W, and the transformer itself...
Jul31-09 11:23 AM
vk6kro
38 17,963
Hey again. I have a circuit that I've made and I was told I should put resistors in so that I don't blow out my...
Dec29-09 11:14 AM
Adjuster
38 6,253
Hi everyone, I've been doing semiconductors lately,and believe me,I'm going absolutely nuts over it! This is...
Feb18-10 09:27 AM
sophiecentaur
38 3,007
Hi. So I thought I understood PLLs pretty well after I designed a couple over summer, but I've just been taught them...
Dec6-11 11:38 AM
yungman
38 3,974
I'm attempting to spin cast a parabola, and aim to hang my spinning vessel directly from the driveshaft of a motor to...
Feb8-12 11:56 AM
jim hardy
38 3,090
So, I'm kind of in a debate, and before I say something that makes me look like a clown :redface:, I thought I'd...
Mar13-12 03:29 PM
Windadct
38 11,836
I am building a HAM radio transmitter. I have noticed most crystal oscillators above 100mhz are very hard to find. Is...
Jan5-13 09:20 PM
vk6kro
38 3,483
if two equal capacitor one of then is charged and the other is not.then the switch is closed, half of the stored...
Apr28-13 02:06 PM
The Electrician
38 2,991
so my fft is working for notes 8b-1G# so from 7902 Hz to 51.91 Hz after that it says 46.25 Hz is the same 49.00Hz :...
Feb7-14 01:13 PM
sophiecentaur
38 1,072
I designed an optical A/D (on paper only) several years ago. I have no means to make one since small scale...
Feb5-04 02:30 PM
dlgoff
37 3,512
Well I've checked a few sites for the answer but I still don't seem to understand the grounding as well as I'd like...
Jul22-04 10:00 PM
Averagesupernova
37 14,059
Forgive me if I've fallen prey to random google searching but I was wondering if what this guy has to say has any...
Apr12-05 07:34 AM
MarkT
37 6,243
Ok. say you have a transformer hooked up to two AC generators. They each produce the same amount of voltages. For the...
May5-05 10:04 AM
Cliff_J
37 3,659
Just out of interest I was wondering and couldn't work out... Why are (even high end) speaker cables not coaxial?...
Nov10-12 01:14 PM
yungman
37 11,471
guys I'm making this color sensor.i have used 2 RED LEDs as both sensor and emitter. I have used TL084 op amp in...
Sep26-09 08:07 PM
aruna1
37 6,521
Just like the tittle. I never understand why EMP destroy electronics. People talked about a nuclear explosion will...
Jan19-12 05:38 PM
Antiphon
37 11,568
This question about the variation of the aforementioned quantities in a transformer. Now according to me and my...
May2-12 05:33 AM
samieee
37 5,361
Hi everyone. I'm back again with another silly question. Please bear with me. Below is a figure of a basic...
Sep28-12 12:52 PM
Studiot
37 2,996
For a school project I need to be able to shift the phase of a 100 kHz sine wave by 90 degrees (either positive or...
Jul15-14 06:54 PM
mheslep
37 5,244
Greetings, its the noob again:) Recently I had a discussion with a friend of mine who claimed that he knew how to...
Jun15-05 03:09 PM
Dngrsone
36 3,846
Why is it that when you put your two finger on the opposite terminals of a 1.5 V battery, you don't get an electric...
Jan24-07 11:10 AM
tehno
36 14,933
Hey guys, I have two questions about something I'm trying to minimize. I'm making a binary to seven segment decoder...
Jul3-07 07:18 PM
Maxwell
36 4,109
Hi all I have a question concerning the voltage required to initiate the ignition spark in a combustion chamber. ...
Jan31-11 01:52 PM
sophiecentaur
36 11,557
Our electric energy is provided by power-station,for example a water power station.My question is,the water power...
Oct28-10 10:54 AM
mheslep
36 2,892
hi everyone, here is picture of power supply:-- http://img696.imageshack.us/img696/8841/powersupplyg.jpg at top...
May2-11 07:03 PM
PainterGuy
36 4,651
So I'm looking at this non-inverting Op-Amp http://img140.imageshack.us/img140/6660/shomermofa.jpg Trying to...
Dec6-11 05:31 PM
vk6kro
36 4,309
The way I see it, the more the plates charge, the harder it is to charge them. Therefor capacitors always charge...
Jul17-12 05:12 PM
sophiecentaur
36 5,691
Hello everyone! Firstly, I have very basic knowledge of pcb design and in electrical engineering in general...
Jun22-14 08:53 AM
jim hardy
36 1,063
Every 50μs I have access to one sample of an unknown peroidic input signal and I am looking to calculate the RMS of...
Jul11-14 12:38 PM
anorlunda
36 4,586
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 1,261
I recently had a discussion with a guy who believes that by putting a big slot in his PCB ground plane he will protect...
Jan1-12 03:46 PM
yungman
35 5,160

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