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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 95,189
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 83,035
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 58,562
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,239
I'm not sure if this question belongs in the forum or the physics forum, I guess I'll post it there as well. I'm...
Jan18-10 04:06 AM
ganpatie
11 19,429
Hi, I need a way to display voltages in the range of 1V - 1uV using seven segments, but without using...
Dec27-09 03:48 PM
Bob S
11 1,867
Hello... I was trying to make a circuit to control the intensity of light of a lamp...i thought about using a...
Jan4-10 10:23 AM
vk6kro
11 1,704
hi friends, i cannot understand the derivasion of OPAMP as an integrator. my book has suddenly...
Jan14-10 08:47 AM
Mr confusion
11 4,839
I am an electrical engineering student and I want to buy a good multimeter. Can anyone recomend on of these two models...
Jan25-10 08:07 PM
turbo
11 5,769
Hello all, I am in the process of designing a tesla coil for a research paper, and, just when I thought I had seen...
Aug5-14 01:29 PM
hstufflebeam
11 447
So i found this post about voltage to current conversion. ...
Mar22-14 05:04 PM
HeiBau
11 6,299
I'm familiar with the smallest breaker/ cable requirements for a load. Example, a 10A continuous load would require a...
Mar28-14 01:32 PM
psparky
11 1,085
I may be slow but I'm finally getting around to fixing my old Heath Kit oscilloscope. ...
Jan8-14 07:24 PM
dlgoff
11 736
I'm designing a cross yagi as one component of a capstone project. The design I have right now is 3 elements per...
Mar20-14 03:00 PM
userdnl
11 559
Hello all. I have a HV generator that puts out ~200 nsec, 10 kV pulses. I'd like to add a bias voltage to this but I'm...
Jan28-14 03:57 AM
sophiecentaur
11 362
Hello there, I am wondering why the resistor maximum voltage is not simply the square root of the product of its...
Feb2-14 10:21 PM
Mike_In_Plano
11 465
In the inverting operational amplifier circuit I've drawn below I am trying to calculate the output voltage and the...
Feb10-14 01:09 PM
meBigGuy
11 664
All of the ones I've seen online can only do about 30 amps tops... then there are welding machines, which I am not...
Feb20-14 12:46 AM
Xtensity
11 362
Hi, I'm building a Yagi antenna for the 440Mhz ham band. The outline I'm following uses a driven element of a folded...
Feb26-14 02:11 PM
nsaspook
11 587
Hi everyone, I have been designing wideband transformers for a while. My biggest problem is the time it takes. ...
Mar2-14 12:43 AM
hobbs125
11 477
I need help in understanding back emf, I'm a bit confused here. Example(for understanding): Let's assume we ...
Mar2-14 02:28 PM
Dash-IQ
11 584
Can I use a 315MHz transmitter module to send a composite video signal to another reciever module?
Jul22-14 10:37 PM
Tesladude
11 1,068
Hi everyone. I am trying to determine the capacitance between two adjacent coils. Each coil is identical, ...
Mar11-14 11:38 PM
Baluncore
11 358
i was looking at an e-cig and wondering how it regulates watts. would it be viable to make your own? for those of...
Apr4-14 06:36 PM
meBigGuy
11 496
Is there a way in electrical engineering where I can convert 230 KV to 5 V such that the 5 V wave has same amplitude,...
Apr8-14 12:13 PM
psparky
11 463
That 2 terminals shows PD of 1 volt on Meter, but when shorted, there is no current shown on Meter? I checked and...
Apr12-14 12:40 PM
sophiecentaur
11 558
Hi All I am asking this question as a mechanical engineer, so please bare this in mind if you have the time to post...
Apr14-14 10:40 AM
Averagesupernova
11 744
Good afternoon PhysicsForums! I have a design for a voltage controlled current source. I've included the circuit...
Apr17-14 12:03 AM
jim hardy
11 378
Hello, I'm in Arizona and was looking to hook up some PV panels directly to the air conditioning unit pump. Is...
Apr16-14 10:08 PM
jim hardy
11 696
Hi I want to transmitt a video rca signal with dome of the 433mhz transmitter and receiver modules you can get on ebay...
Apr30-14 11:13 PM
meBigGuy
11 478
Hi All, The other day I ordered LED's from digikey to do some electrical experiments for fun, and to my surprise I...
May14-14 08:01 PM
EE4life
11 585
hello! I have built a colpitts oscillator, but it is not producing a sine wave. the wiring diagram is attached. I...
May31-14 10:52 PM
NascentOxygen
11 381
Apologize in advance for the long post! We are in this particular situation and, being a novice with electrical-...
Jun9-14 06:14 PM
dlgoff
11 499
Hi everyone, I'm building a white light interferometer and need help choosing and finding a white light source. ...
Jun25-14 05:01 PM
davenn
11 847
I saw this antenna on a residential rooftop yesterday (in the US). I'm guessing it is a over-the-air Digital TV...
Jun16-14 10:15 PM
berkeman
11 393
hi everyone,i know that the phase spectrum contains most of the structural information about the image.But i want to...
Jun20-14 03:12 PM
Baluncore
11 471
I'm attempting to do a term paper about the above title. There are a lot of potential alternatives to chemical rocket...
Jun29-14 10:56 PM
phion
11 1,609
Hi, I'm currently working on my end of the year project for my studies. I have a DC motor mechanically linked to a...
Jul2-14 08:09 AM
Baluncore
11 1,382
I am looking to filter the human voice from enviornmental noise (engine/machinery noise). I was doing some digging...
Jul8-14 05:06 PM
rppearso
11 1,443
Hi, I have been looking into Tesla's work and his self claimed "non-Hertzian" waves, some called electrostatic or...
Jul28-14 10:29 AM
berkeman
11 378
I have studied that "zero signal collector current should be atleast equal to the maximum collector current..." but...
Aug12-14 05:31 AM
sophiecentaur
11 449
Hi guys, I have been working on an automation of a cart. The cart wheels are producing a current of 14 Amps for 5...
Aug26-14 03:51 PM
jim hardy
11 349
Hello, thank you for taking the time to read this. I am so uneducated that I do not know how to even begin to explain...
Aug20-14 03:23 PM
jim hardy
11 295
Hi, I have a High Voltage supply on an integrated cirquit board installed in a Pentium I computer, that (in theory)...
Aug30-14 09:22 AM
Averagesupernova
11 267

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