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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 29,575
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 84,366
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 54,903
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 75,839
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 5,812
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 4,619
Hello all, Long story short: I'm modding a Netbook PC; I'm powering three different sets of LEDs from three...
Aug3-13 06:59 AM
WeAreBorrg
5 684
As a hobbyist, I was playing around with an MP3 player that uses a single alkaline AAA battery. I wanted to see if the...
Aug1-13 08:40 PM
steve stillman
5 3,532
Hi! When my Hydroelectric station is not connected to a GRID (islanded mode) I control the frequency or the speed,...
Aug5-13 10:03 AM
Localise
48 4,755
I have an obsolete, proprietary crystal oscillator. It is a 200MHz, 10 pin, SMT component. The number on the unit is...
Aug1-13 08:51 AM
NascentOxygen
13 1,076
Hello all, I am new here. So you see where my lack of understanding comes from; my background is as a Mechanical...
Jul31-13 01:27 PM
sophiecentaur
10 993
What are the conditions that must be satisfied for an object to be picked up by radar? For example, what size must...
Jul31-13 09:49 AM
sophiecentaur
4 698
The images represents circuits interfaced with an Arduino microcontroller. http://i.imgur.com/yN135CD.png ...
Aug4-13 01:00 AM
meBigGuy
11 1,038
Hi, According to what I understood, when a terminal is connected to a line, it causes electrons to flow in one...
Aug1-13 05:51 AM
sophiecentaur
4 899
I'm self learning electronics and trying to wrap my head around its characteristics. I was looking at this source....
Aug2-13 09:07 AM
Jony130
5 921
A HVDC connection in a transmission network may reduce the system effective inertia due to the decoupling of...
Aug2-13 02:27 PM
jim hardy
5 721
I was reading some spec sheets for some leds, and it says that, for example, at 1.4V the light is at 650nm and that at...
Aug2-13 01:53 AM
NascentOxygen
8 906
Hello there everyone. I was wondering about low rpm power generation. Is it better to get an alternator or a...
Jul29-13 06:12 PM
Evo
2 648
Hello everyone, I'm trying to teach myself basic circuit design from an EE textbook, but I'm starting to think...
Jul31-13 09:32 AM
sophiecentaur
4 636
I have a very small project which requires a typical 9v battery for mobile use. But to keep from having to replace the...
Jul29-13 04:01 PM
Tesladude
4 584
Hi all, Havent turned to this forum in quite some time but hoping you might be able to explain to me my y-axis in...
Jul31-13 08:09 AM
lennybogzy
0 364
Ok this may be a stupid question but what the heck. If I have a power supply giving max of 4amps with 35v and what...
Jul31-13 08:55 AM
Tesladude
5 492
Hi Guys, Struggling to find any information on the changes to a cable at altitude compared to at sea level. The...
Jul30-13 08:18 PM
AlephZero
9 825
I stumbled across this ckt - http://husstechlabs.com/support/tutorials/bi-directional-level-shifter/ It says it's a...
Jul30-13 02:10 PM
Jony130
5 557
I read that bridge mode in amplifiers will, for example, take a 100 watt amplifier at 8ohms and turn it to a 200 watt...
Jul31-13 09:20 AM
sophiecentaur
4 748
Each VSC station has the same configuration, and its vectorbased equivalent circuit in the synchronous dq reference...
Jul31-13 12:44 PM
sophiecentaur
3 475
I found 2 equation for calculating the peak to peak ripple voltage, this one is the common one i see, Vripple...
Aug1-13 02:03 AM
256bits
5 3,527
Got it for free it a samsung pn50a450p1d. The tv works fine except it screen color is pink with a little haze, can...
Aug3-13 05:26 PM
jim hardy
6 750
Dumb question - if the phases are tied together in a three phase delta transformer why don't the phases short out...
Aug2-13 09:00 AM
Windadct
2 558
Hi, I'm working on a project to build a solar powered AA battery charger. This is definitely not my profession, I...
Aug2-13 06:22 PM
NascentOxygen
4 748
Hi Sir, I have seen in many IEEE magazines that, a six phase induction motor is having two 3 phase windings spatially...
Aug2-13 06:54 PM
sophiecentaur
7 1,037
Hi guys, It's been 15 years since I played with radios, and i've basically forgotten everything. Do you think I'm...
Aug7-13 01:08 PM
petterg
85 2,751
I have a couple of linear motors + their drivers and I'm trying to make an X-Y stage for a prototype milling machine,...
Aug6-13 02:46 AM
Baluncore
3 495
I'm trying to use single ac frequency analysis to measure voltage, current, impedance and phases stuff... But the ...
Aug2-13 09:00 AM
null void
1 1,007
hi guys, I have just finished my undergraduate course. i decided on electromagnetics for my graduate studies, since...
Aug2-13 12:37 PM
dragornack
0 451
Hi guys. I am using a servo motor in one of my projects. I would like to calculate the power the motor is inputting...
Aug4-13 05:32 AM
meBigGuy
7 1,117
Hi. I'm a newcomer to AVR and actually these whole electronics stuff. But.. I need to use this for my school work....
Aug8-13 07:39 AM
sherrellbc
2 521
I am wondering to published a journal on DC had drive generator. Could someone please me which should be my topic?
Aug4-13 06:19 PM
Simon Bridge
6 497
Dear Experts I am thinking that an electric hub motor is the same type of AC motor as a regular Outrunner motor. ...
Aug4-13 12:17 PM
sophiecentaur
1 572
Which spaces, as studied in branches of mathematics such as linear algebra and functional analysis, such as vector...
Aug7-13 10:32 PM
rbj
5 616
Hello, I was considering a small project to solve an issue with PC case fans. If you have fans on the removable...
Aug5-13 09:43 PM
Integral
2 573
Hello everybody, I was working on an electronics project, and one of the LEDs (actually I'm using only one) started...
Aug8-13 07:54 AM
sherrellbc
4 597
I'm trying to understand what this IC is doing and what the "typical application" circuit is doing ...
Aug5-13 06:50 PM
berkeman
4 595
http://www.youtube.com/watch?v=bGb2lJdJJRE 0:30 "So if I have a magnetic field that's increasing increasing...
Aug7-13 01:20 AM
Simon Bridge
4 594
I have two wires, each 1 meter in length. They are at a parallel distances (d) of 5cm from each other. I send a...
Aug7-13 11:16 AM
TekuConcept
5 922
In general, by what considerations guide the decision to size a capactior to smooth voltage signals? For example,...
Aug8-13 10:47 AM
mfb
3 641

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