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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 96,533
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
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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
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Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
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What is the proper term for those tubes that DIP IC packages come shipped in? Searches on Amazon and Google are...
Jan14-13 10:44 PM
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I have just started a course on signals and systems and am finding the subject confusing. This question pertains to...
Jan14-13 10:21 PM
physio
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As seen in the circuit diagram picture below, the Pearson-Anson relaxation circuit is often used to blink neon lamps....
Jan14-13 09:29 PM
AlephZero
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Hey, I noticed my university is pretty big on research in nanotechnology. The EE department teaches some courses on...
Jan14-13 05:10 PM
Ryuk1990
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Hi! Im going to be as brief as possible in this question. Im currently trying to design a portable breaker testing...
Jan14-13 11:42 AM
berkeman
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hi i am working on a project which is to build a pickup winder for my guitar from a printer motor. the printer...
Jan13-13 11:55 PM
vk6kro
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Once again, my textbook seems to do a poor job of explaining another concept just like I commented earlier here....
Jan13-13 08:55 PM
tahayassen
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I'm trying to get a better understanding on how grounding, bonding, and earthing works when high voltage sources...
Jan13-13 02:21 PM
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Hey all, Im working on making a signal converter for a mod ive done on my car, the plans for it are from...
Jan13-13 02:13 PM
AlephZero
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I'm confused about this because voltage or potential difference is defined as work done by an external source in...
Jan13-13 01:36 AM
DrZoidberg
4 948
Does anyone have any experience of the swelling of lithium-ion battery packs? Attached are photos of one that came...
Jan12-13 05:48 PM
Studiot
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Hi, I am currently taking a course on electronics and not quite sure of what ideality factor really means...what...
Jan12-13 03:29 PM
Mike_In_Plano
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I have a phone interview coming up and from the tidbits selected from the job description what should I focus on...
Jan12-13 02:36 PM
KrNx2Oh7
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Hey guys could you help me out , so I have built this simple smps project that i needed to the multivibrator part...
Jan12-13 10:15 AM
Crazymechanic
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Hello. I search, unsuccesfully, the datasheet for this component which is 20 kV diode. If someone has any data about...
Jan12-13 03:34 AM
Ravaner
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i want to compare force on current carrying conductor , 1)placed in air surrounded by magnetic field 2)placed in...
Jan12-13 03:04 AM
djsourabh
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I am trying to develop a product that would use a portable heating element. For example: If I wanted to use a coil...
Jan11-13 06:34 PM
sophiecentaur
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Dear All, I have some powder given to us by a chemical engineer. Now, i lumped this in a syringe and connected...
Jan11-13 12:36 PM
Carl Pugh
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Hi I'm looking for a book of which I cant remember exactly the title or the author. It was something along the lines...
Jan11-13 10:18 AM
Runei
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Hi everyone, I'm Designing a BiQuad antenna for WiFi applications. The design and optimization are relatively simple ...
Jan11-13 06:55 AM
monchosoad
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I have to make a terminal block from a DB15 connection. I'd like to have a neat looking schematic for it. I don't need...
Jan10-13 07:32 PM
MATLABdude
3 567
How do I convert the RPMs of a simple turbine (e. g. a windmill) into the power it generates? Let's say that I want...
Jan10-13 12:55 PM
jim hardy
5 1,016
Hi Do you agree to this statement: The charge density in a semi-conductor doped with donor and acceptor impurities...
Jan10-13 10:41 AM
mzh
0 388
I am embarrassed to be asking such an elementary question, but I want someone to explain the difference between amps,...
Jan10-13 09:14 AM
treplag
5 698
I'm going through a list of 12 transformers and trying to determine if they are wye or delta. The schematics I have...
Jan10-13 08:31 AM
skeptic2
5 1,441
how to select motor for electric bike?
Jan10-13 07:30 AM
hisham.i
1 709
Hello, I figure if anyone on the internet would know where to find a good solution to my issue, it would be you...
Jan9-13 09:59 PM
ViriiGuy
2 742
Hi guys, just wandering if you could help me clear some things up regarding full adders and d-type flipflops? ...
Jan9-13 07:40 PM
berkeman
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Hi Is anybody in the house that can help with circuit diagram of an active power filter for mitigating harmonic...
Jan9-13 12:05 PM
jim hardy
12 1,623
I need help designing a power supply for a portable medical research device for animals. My problem is designing a...
Jan9-13 12:22 AM
dlgoff
2 556
Hey everyone, I'm graduating with my bachelor degree in physics soon and intend to study physical electronics and...
Jan8-13 01:41 PM
Kholdstare
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I use a green laser pointer at night to do astronomy related work. I got a cheap $5 green laser pointer off of ebay,...
Jan8-13 12:49 PM
NascentOxygen
5 785
Hello.. I have a question : why when a transformer is loaded on the secondary, in the primary coil there's still the...
Jan8-13 12:08 PM
tonyjk
8 1,201
My textbook does a very poor job of explaining how to assign signs to power:...
Jan8-13 11:11 AM
tahayassen
2 718
In the attached picture R1 and R2 are assumed to be equal so that they form a voltage divider. Without any signal into...
Jan8-13 10:08 AM
d.arbitman
12 1,365
hi there, i want to know that how can i use a small capacitor bank which can be charged with 24 volts and gives out...
Jan8-13 09:37 AM
Runei
4 681
Hiya, So I want to do some experiments with concrete curing under a magnetic field. The samples would need to be...
Jan8-13 08:14 AM
lostminty
8 1,045
why does the bending of antenna is important?why we cant just use two parallel wire to radiate energy? thanks.
Jan8-13 07:57 AM
Enthalpy
2 546
Im having trouble understanding vswr and current path in an antenna system. Example is the dipole...Ive read that the...
Jan7-13 10:19 PM
david845
7 899
As it states in the title, I am looking for a program that I could create circuit schematics with.
Jan7-13 08:47 PM
MATLABdude
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