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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 95,292
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
63 83,100
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
28 58,602
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 31,257
Hello there, I'm seriously considering doing Electrical Engineering (and to branch out into Aerospace) but i still...
Dec14-06 05:04 PM
39 12,608
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
39 6,035
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
39 15,247
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
39 6,120
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 5,109
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
38 7,339
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
38 35,354
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
38 3,654
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
38 8,439
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
38 18,029
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
38 6,265
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
38 3,011
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
38 3,993
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 3,093
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
38 11,942
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
38 3,520
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 3,002
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
38 1,076
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
37 3,515
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
37 14,082
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
37 6,247
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
37 3,663
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
37 11,515
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
37 6,536
Just like the tittle. I never understand why EMP destroy electronics. People talked about a nuclear explosion will...
Jan19-12 05:38 PM
37 11,669
This question about the variation of the aforementioned quantities in a transformer. Now according to me and my...
May2-12 05:33 AM
37 5,393
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
37 3,003
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
37 5,266
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
36 3,848
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
36 14,951
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
36 4,122
Hi all I have a question concerning the voltage required to initiate the ignition spark in a combustion chamber. ...
Jan31-11 01:52 PM
36 11,590
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
36 2,896
hi everyone, here is picture of power supply:-- at top...
May2-11 07:03 PM
36 4,655
So I'm looking at this non-inverting Op-Amp Trying to...
Dec6-11 05:31 PM
36 4,318
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
36 5,719
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 1,076
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
36 4,599
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
36 1,267
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
35 5,178

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