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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 29,772
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...
Jul5-14 05:32 AM
hussain_aamir
193 85,708
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 55,318
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 76,725
Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Jul21-14 08:30 AM
Windadct
21 6,137
Even as a kid, I saw beauty in old devices. That made me want to understand how they worked. I had lots of old...
Jul21-14 12:14 AM
dlgoff
21 4,963
Hey! I had a discussion with a group of professors recently about the different disciplines one can master in...
Sep5-13 06:24 PM
jasonRF
18 16,514
For a no load ideal transformer http://i.imgur.com/vufGi.jpg V1 is anti phase with E1? ...
Sep7-13 09:39 AM
jim hardy
2 9,380
Hello all. I have been working on a side project, a Persistence of vision display. I have had and still have a bunch...
Aug25-13 01:56 AM
perplexabot
15 968
Hi guys i built an ECG system(preamplifier and filters), but i faced a problem in the filters: the standard of...
Aug27-13 01:49 PM
B.C.
17 1,869
I was wondering if anyone could help me with this. I have a 200mm LED fan that currently has blue LEDs in it. I...
Aug25-13 08:53 PM
meBigGuy
1 539
Hello All, I have a question regarding what voltage and current I need to supply for a load. I got a laser that's...
Aug28-13 08:14 PM
Trafiq
21 1,527
Hi, The quarter wave transformer, as I understand, is supposed to allow matching an input impedance to an output...
Aug28-13 08:57 AM
sophiecentaur
6 981
My servo, http://www.allelectronics.com/make-a-store/item/DCS-110/STANDARD-RACING-SERVO/1.html Not sure if this...
Aug25-13 01:30 PM
rbelli1
2 531
I've recently began looking into the SERCOS interface and have a few questions. I would guess there are a few people...
Aug25-13 02:19 PM
tomizzo
0 418
Hello there people. Hopefully someone will have a bit of insight into how a possible solution to my problem could...
Aug27-13 01:35 PM
Runei
2 548
ok this is the best example i could find of DFT...
Sep3-13 07:57 PM
btb4198
9 757
Hi Why do we always bias a mosfet in Saturation mode? Is it becaus gm is more in saturation or is it because gm is...
Aug29-13 03:28 PM
analogdesign
9 1,578
Given: a ~3W monocrystalline solar panel, originally from a panel+battery+light pack from early 90s, spent a decade in...
Aug28-13 01:11 PM
nsaspook
1 606
Hi, My understanding of shaping time on amplifiers is that its the amount of time the capacitor has to collect...
Aug29-13 08:07 AM
abotiz
2 597
Hello everyone, I am currently a sophomore in computer engineering, so I don't quite know enough to figure this out...
Aug29-13 08:46 PM
swagpenguin
11 766
Hello, I want to build transmitters and receivers and I wonder if there is a tool kit which contains components...
Aug29-13 05:46 PM
Baluncore
1 481
Hello everyone, I recently posted about making a color organ, in which I was going to use a circuit to process...
Aug30-13 08:59 PM
Electropioneer
3 663
Hi Does anyone have an idea of why my oscillator doesn't oscillate? It's supposed to generate sawtooth. But the scope...
Sep7-13 05:58 PM
petterg
43 2,307
Following are the text from an Electrical Engineering Textbook. "it is seen that contrary to the common but...
Sep1-13 03:40 PM
jim hardy
6 677
hello, I need a dc generator which would generate 19v and 1.5A current(roughly i want it to generate 30watts of...
Sep5-13 07:55 AM
jim hardy
2 630
I'm wondering what the difference is between a VFD and servo drive are. I'm pretty familiar with VFDs but not so much...
Sep2-13 09:54 AM
milesyoung
3 946
Can somebody tell me exactly what is 'S' in frequency domain? I know that s=σ+jw where σ is neper frequency and...
Sep1-13 07:14 PM
meBigGuy
2 517
Suppose there are some waveforms to be used as current input: i)sine wave ii)square wave iii) triangle wave...
Sep4-13 02:42 PM
mikeph
14 1,176
Hi I think this may be a dumb question but what the heck... So i have a very small remote camera with audio, the...
Sep2-13 06:19 AM
skeptic2
1 555
Don't know which sub-forum this topic belongs to so I'm sticking it in here. I'm currently at a temp job testing...
Sep2-13 11:19 AM
berkeman
5 583
Hi I just want to get some idea how to use an OTA as an integrator (for dual slope ADC). Can some one help me out or...
Sep2-13 11:58 PM
meBigGuy
1 432
In designing a circuit what point should I pick as the ground point? I know it's the reference node in schematic to...
Sep4-13 09:24 AM
amonraa
13 771
Hello everyone, i am a beginner in electrical engineering , and i am studying introduction to logic circuits.And I'd...
Sep3-13 10:10 AM
256bits
4 432
An engineering company I interned with were shutting up their design centre, and the guys invited me in to pillage the...
Sep4-13 02:02 AM
meBigGuy
1 602
Hi guys, I'm wondering whether I'd be able to generate around 3V - 5V with a magnetic coil using a high turn ratio...
Sep3-13 05:26 AM
NewtonianAlch
0 398
My task is: I need to build a very thin scale (like a bathroom scale), less than 8mm in thickness total, and needs to...
Sep5-13 12:52 AM
davenn
4 606
My university is currently prescribing Vincent Del Toro book for electrical engineering fundamentals. I have read few...
Sep8-13 08:46 AM
FOIWATER
1 503
I have a list of questions I'd like to ask an electrical engineer. Not only is this for an assignment, but I truly...
Sep4-13 11:59 AM
berkeman
1 415
How do you solve questions of the type: Find the period of the voltage a) 3cos(2500t) + 4(7500t + pi/2) b) a...
Sep9-13 04:27 AM
Baluncore
4 771
Hey guys, I wanted to know what was your preferred software for simulating digital design components, such as AND...
Sep5-13 01:35 AM
jean28
0 469
I machined my own 7-segment display out of clear polycarbonate, each segment is about 1.5" long (it's a rather large...
Sep6-13 12:45 AM
davenn
1 506
Hi, can anyone help me identify the big blue boxes' schematic symbol? The actual physical component sort of looks...
Sep8-13 05:20 PM
dlgoff
10 630
So I was reading a thread on PF talking about the radius of a solenoid and Bob S answered with a link: On that...
Sep8-13 04:57 PM
ZecronTech
4 395
I have been doing various experiments with my photography and recently built a coil gun. I simply pulled apart a...
Sep9-13 11:44 AM
berkeman
2 539
Greetings everyone I am deciding on a project to work on for my bachelor's degree in engineering right now. I have an...
Sep9-13 09:38 AM
Thorgeir-DK
2 437

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