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Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Apr19-14 03:36 PM
meBigGuy
19 337
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...
Apr10-14 04:04 AM
mwvivi
189 60,919
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Feb4-14 04:57 PM
davenn
62 59,541
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 47,138
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 26,001
hello friends; we have an exhibition in my university.my seniors asked me to make a AM modulator circuit to...
Nov21-08 10:53 AM
JANm
3 1,574
I'm trying to get feedback on electromagnet design and specifically sourcing premium core material for a pulse coil...
Nov21-08 04:38 AM
Phrak
3 15,663
Hi people, im new to this forum. I'm currently working on a underwater ROV for my school project. We did a...
Nov21-08 12:18 AM
Kunniez
2 8,692
Hi all. I'm working on an RF system including a 2.4G transceiver and a GPS receiver. I'll use a ground plane. What I...
Nov20-08 08:46 PM
MATLABdude
1 1,678
I have a drymount press that runs on 110 V AC, and is rated at 400 W. It runs too hot and has no temperature control...
Nov20-08 06:59 PM
dbirley
4 2,285
Hi, can someone tell me what are the optimum settings for a charger to charge a 24v 12ah Lead Acid Battery? I know...
Nov20-08 04:38 PM
dlgoff
1 2,128
Almost all Telecom Equipments are fed with -48V why not +48V?
Nov20-08 08:36 AM
mgb_phys
3 1,194
I think pretty much everybody knows the length of the transmission line should be less than the wave length of the RF...
Nov19-08 03:31 PM
dlgoff
5 3,423
I'm taking a course in control theory, and have been wondering for a while what the benefits are when you describe a...
Nov19-08 03:29 PM
Proton Soup
22 11,879
Hi all, I have this sensor which monitors the moving of a steel bar (see attached pic). The green part is moving...
Nov19-08 09:28 AM
pixel01
4 741
Hi, I'm an industrial designer and I was wondering if there is a way to charge a battery through magnetic induction. ...
Nov18-08 07:11 PM
vadar
3 2,528
I'm having trouble with the power supply portion of an opamp circuit I'm working on. The supply is +/- 5 Volt using...
Nov18-08 01:14 PM
smuscat
10 8,716
Hi Does someone have successful experience working with GNU/open source circuit simulation tools in Linux? I tried...
Nov18-08 08:26 AM
PerennialII
2 2,857
I'm building a tank circuit and I need to know if a ground connection is needed.
Nov17-08 11:38 PM
Averagesupernova
10 5,171
Hello all I have come across a circuit of a standard differential amplifier with an integrator in one of the...
Nov17-08 12:16 PM
berkeman
7 2,563
I've run an experiment on an active filter. I am using the NI Elvis prototyping board. The frequency response is taken...
Nov17-08 12:54 AM
Ald
2 3,049
With all the electric/hybrid cars becoming part of everyday life, Iíve been thinking about all the energy going to...
Nov16-08 04:42 PM
Pumblechook
3 1,299
I understand that the truth table involved, and how it works, but i don't get the timing of the diagrams. Ive looked...
Nov16-08 02:59 PM
MATLABdude
1 6,796
I was wondering why the current waveform in a rectifier circuit that uses transformers, is not out of phase with the...
Nov16-08 10:58 AM
marcusl
1 5,665
Hi, How does an INDUCTOR AND A STRAIGHT WIRE differ?how come the resistance offered by an inductor changes with...
Nov16-08 10:33 AM
Akaldine
3 3,027
Hello forum , this is my first time here , i would like to ask you if you can tell me about the direction of rotation...
Nov16-08 07:36 AM
anita1984
2 1,097
Hello everyone! Thank you for looking at this thread. I am trying to design a 10th order Butterworth filter using...
Nov16-08 05:25 AM
Enthalpy
1 3,097
I want to build a digital timer that will switch my geyser on and off at a preset time in order to save power. I donít...
Nov16-08 03:32 AM
Fuzigish
4 3,041
evelam00@gmail.com how is the electric field from AM broadcast stations polarized? from TV stations? from FM broad...
Nov16-08 03:14 AM
Pumblechook
1 808
Hi every1 Can somebody tell me how is high voltage produced with low current? I mean Current and voltage are directly...
Nov15-08 07:48 PM
kiamzattu
5 5,013
Hi I have a question regarding an ACTUAL Differential Pulse Code Modulation system setup. The prediction algorithm...
Nov15-08 07:34 AM
maverick280857
0 1,110
I have a question regarding communication PSpice software with Comsol Multiphysics. I was searching for some examples...
Nov15-08 04:33 AM
PerennialII
3 3,531
Hi All, Could someone please help me with the calculations & an example of Watts consumed to Air Temperature rise...
Nov14-08 08:00 PM
burnit
11 6,062
hi... i would like to know the fact of UPS(uninterruptible power supply) that why sometimes UPS has some problem to...
Nov14-08 09:25 AM
raj123mehta
5 2,003
Ok, here is a goofy question. Say you have an inductor that is connected in a simple DC circuit and has been there...
Nov13-08 11:51 PM
berkeman
4 2,469
I'm taking an intro electronics class and I'm really enjoying it. I want to be able to work with electronics in my...
Nov13-08 11:36 PM
berkeman
4 4,387
Guys, I need a simple timer that will count down from 1-20 seconds and then have a continuous output of high to...
Nov12-08 10:54 PM
Proton Soup
10 4,865
Can anyone tell me what this means in a capacitor spec, other than that I know its associated with leakage current? ...
Nov12-08 07:44 PM
berkeman
10 2,778
Hi, I know that voltage decreases with temperature but why? I am looking into silicon solar cells but cannot...
Nov12-08 03:40 PM
Enthalpy
3 15,481
In semiconductors it is known that the wider the band-gap the higher the output voltage, what is the theory behind...
Nov12-08 03:33 PM
Enthalpy
4 7,743
Hi, I'm trying to perform a short circuit fault calculation on this transformer and load I have when a 3 phase...
Nov12-08 03:31 PM
Enthalpy
3 22,972
Hi, could someone care to explain two things: 1) Whats happens when the resistance load of a circuit powered by a...
Nov12-08 03:23 PM
Enthalpy
4 17,150
what is the most simple circuit (with batteries as generator) i can make to make a light bulb or diiode keep going on...
Nov12-08 12:17 PM
famousken
3 1,094
Hi I need help designing a constant current constand voltage charger for li-ion batteries. Anyone have any help?...
Nov12-08 12:16 PM
famousken
2 4,674
First off, maybe this should have gone in the Material Engineering thread, but since it is so common in the EE...
Nov11-08 09:45 PM
Enthalpy
5 3,221

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