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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 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
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
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
AC battery charger? Is there such a thing as being able to charge a battery, using alternating current, or would...
Sep26-09 12:55 PM
Redbelly98
1 926
I'm designing a circuit for experimental use. I'll make this as quick as possible. Browsing other circuit designs...
Sep25-09 07:11 PM
es1
4 4,849
My project is to make a Voltage-Controlled Constant Current Source. I have found two solutions… This is first one ...
Sep25-09 06:51 PM
berkeman
1 13,677
Is a faster frequency capable of carrying more data than a lower frequency? i would say yes because the period is...
Sep25-09 03:06 PM
ravioli
4 879
I want to model a toroidal transformer with a given permeability and saturation flux density. Specifically, I want to...
Sep25-09 08:44 AM
stephen163
2 2,334
i turn off the transformer i assembled its from a 220v power source i touched the primary windings and surprisingly it...
Sep25-09 03:23 AM
vk6kro
3 1,754
For a series LC circuit the Q I believe is Q= 1/R^(L/C). I have a 1.923 Henry inductor and a 4.4uF cap. The resistance...
Sep25-09 12:34 AM
berkeman
2 1,061
Hi, if I have 3 naded wires copper, Tin and Lead wrapped into one cable and I run 12v through it how do I work out the...
Sep24-09 11:44 PM
vk6kro
1 670
I have a AC induction motor,i use a strong clamper to lock the motor shaft.Then i switch on the power supply.? So,i...
Sep24-09 11:36 PM
TurtleMeister
14 1,374
Hello, I'm an undergraduate EE student about to make a project proposal on building a miniature vactrain, that is a...
Sep24-09 11:53 AM
wolfkeeper
1 2,128
Hi i am Kamini.I am 3rd year electrical engineering student at NIT ,nagpur. I am planning to submit an entry for...
Sep24-09 11:51 AM
kamini
0 1,627
before anyone has a good laugh at me, I am studying environemental engineering and have to do a course that has some...
Sep24-09 05:47 AM
russ_watters
4 4,197
Ok guys, a buddy of mine gave me a broken flatscreen computer monitor. I've had a lot of exposure to capacitors and...
Sep23-09 08:15 PM
1gcrazy
2 978
Hi, I'm brand hew here, I've heard lots of good things about this forum and thought I'd take a couple questions of...
Sep23-09 07:17 PM
Cursed Lemon
5 912
what is level triggering in digital ccts. I think borth level triggering and edge triggering are same. Because...
Sep23-09 06:57 PM
vk6kro
4 1,555
What's the difference between the two? RMS is divided by square root of 2?
Sep23-09 05:26 PM
gnurf
4 7,486
I found the following extremely interesting article about the jamming of pro-Western broadcasts in Estonia during the...
Sep23-09 10:26 AM
waht
1 1,951
I protoboarded this circuit: http://www.popsci.com/diy/article/2008-04/build-pocket-theremin-cheap alas, it seems...
Sep23-09 01:13 AM
vk6kro
1 908
if we heat semiconductors, so that the energy provided is more than threshold energy will they generate a current?
Sep22-09 10:39 PM
vk6kro
11 2,383
Hi Guys, I looked so hard on the net, trying to understand something that I am struggling with for the whole day,...
Sep22-09 08:11 PM
vk6kro
6 1,222
I need the inductance of a simple ferrite core wire-wound inductor. It's not clear how to get than in 2D Maxwell...
Sep22-09 06:59 PM
Neal Carron
0 4,354
Is it possible to produce electricity by using permanent magnets with no moving parts? I believe that is possible....
Sep22-09 04:56 PM
russ_watters
20 13,167
I have an outdoor light that doesn't work because the contractor did not correctly wire up neutral line. The hot and...
Sep22-09 11:48 AM
david90
3 1,264
What is the mean of " Effective logic inversion " ? Because I cant understand this qustion, " Describe briefly...
Sep21-09 01:07 PM
berkeman
2 695
what is the mean of "slope resistance" of zener diode? Its parallel to diod or series?
Sep21-09 01:04 PM
berkeman
1 2,856
I'm not sure if this is the right board. Gates work based on binary input, 0 and 1. But what defines "input?" Is it...
Sep21-09 12:28 PM
jambaugh
6 1,195
Dear Sirs/Mdms, I would like to find out how different is a brushed vs brushless dc motor in terms of size, weight...
Sep21-09 10:11 AM
Bob S
1 6,185
OK. I have 4 - 12 volt batteries. In parallel is 48 volts and series is 12 volts. I would like have a...
Sep20-09 10:14 PM
vk6kro
3 5,137
Hi, Im a little confused about some concepts dealing with Frequency: Frequency Content Frequency Response...
Sep20-09 05:40 PM
Mr.Green
3 1,567
This suddenly came up in a MRI class. I kinda understand IQ modulation (both amplitude and phase are modulated). But...
Sep20-09 02:29 PM
waht
21 16,605
For the Frequency modulation the carrier frequency will change with respect to data. but i need to transmit the...
Sep20-09 05:04 AM
vk6kro
4 1,398
If any one know pls tell me in Gain bandwidth product, gain in what manner (dB or voltage gain (Vo/Vi)) ?
Sep20-09 04:32 AM
Mr.Green
3 4,467
I'm currently attempting to design a circuit that can step down an 18.5V lipo battery into independent voltages of 12V...
Sep19-09 08:53 PM
vk6kro
3 1,806
Do opamps amplify lineary down to very low signals like a few microvolts, the OP-07 for eg. I have an LM324 in moving...
Sep19-09 07:18 PM
Bob S
33 3,828
I know this is probably in the wrong board, but. I'v just been looking into some Boolean algebra to convert truth...
Sep19-09 12:58 PM
Kenneth Mann
3 1,714
Hi i have a 10" touchscreen moniter and i woundering how could i connect it to a computer via VGA connection as it...
Sep19-09 12:32 PM
rick0rz
8 1,285
Hello, I am trying to work out what cable to supply a 3 phase motor with. I am using data from the manual that...
Sep19-09 12:02 PM
rick0rz
7 2,812
at the subatomic level, what happens when ac flows?
Sep19-09 11:25 AM
f95toli
4 1,514
Hello , I am new to verilog ...can someone help me urgent .. I have a task for 8 bit register where in i have to...
Sep19-09 02:50 AM
rosesun
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Hello. I'm looking for someone having practical experience of cascading video amp like NE592 or LM733 in order to get...
Sep19-09 01:07 AM
berkeman
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