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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
0 31,185
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 94,883
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
28 58,457
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
63 82,835
Dear, This is Pathamuthu Ramasamy.Now i am working in speed control of BLDC Motor.In Closed loop used for PID...
Jan24-09 01:24 AM
0 2,511
my problems comes from one of a book how to solve this one this is regarding with two port electrical network
Oct2-11 10:54 AM
The Electrician
3 1,239
I understand that some hybrid autos use some amount of regenerative braking. I can't see any way to get there unless...
Apr6-08 08:24 PM
0 1,847
I'm doing some calculations on a two quadrant chopped DC motor controller, like below. ...
Aug18-13 06:25 PM
0 690
Hello, I'am new to this forum and this is actually my first post. And I have some questions about regaining braking...
Dec19-09 07:25 PM
Ivan Seeking
8 8,212
So i have high voltage power supply (two ignition coils in parallel switched by a mosfet or igbt). Te output its...
Nov25-09 10:03 PM
0 2,084
Please see the youtube video. I am relatively new to d.i.y. electronics and am a little befuddled at this issue I am...
May26-14 03:01 PM
8 315
Hi, this might not be electrical engineering, but I found no other forum to question about this. I'm trying to get...
Mar3-06 03:57 PM
29 8,256
I am trying to build an opamp array to amplify some voltages simultaneously. The amplification part has been designed....
Dec21-08 05:17 PM
Proton Soup
7 2,448
hello guys ... i want to design this circuit on proteus and print it to put it on a board this is a regulated...
Nov27-13 07:04 PM
1 500
Hi, Can any one explaine me what is the basic difference between the mentioned question and how it differs on...
Feb13-11 05:34 PM
9 2,543
Hi, I am devising a way to store large amounts of electricity, but at the moment it is more like a capacitor in that...
Oct20-09 07:15 AM
18 1,319
I'm working on a project for my model railroad and I would like some help. I have a locomotive with a DC motor that...
Feb27-11 02:44 PM
1 1,241
Hi all, I am working on finding a programmable regulator circuit that can produce 0-12 volts for a power amplifier. It...
Jun5-09 11:17 AM
6 1,842
Can I use regulator ICs in parallel in order to increase the output current? I don't see any logical problem with it,...
Oct1-09 02:57 AM
3 1,092
Hello, I am not sure if I am posting in the right place, but here are my thoughts. I don't exactly understand...
Jul1-10 05:34 PM
22 2,760
I am trying to calculate the phase noise of a clock signal given its jitter. I have used the equation given in...
Jun28-12 02:14 PM
0 521
greetings, how a sampling rate can define bandwidth required for transmission of that signal.if sampling rate is high...
Oct20-12 05:39 PM
3 1,535
I want to know generally what the relation between dB loss and percentage loss is. If I want to know what percentage...
Jul23-11 11:53 AM
1 4,593
I want to knw what is the relation between mechanical and electrical angle. Further how we can decide what will be the...
Mar18-11 07:32 AM
2 8,598
can any one tell me the relation between phase spectrum and frequency spectrum in signal processing. thanks a lot...
Sep17-09 01:55 PM
4 8,595
What is the relation between sensitivity and Q-factor ? of a resonant RLC circuit in some books it is given ...
Jul5-10 07:49 PM
1 2,368
hey guys, I am building an electric go kart for a final project, and i'm just trying to get my initial...
Nov22-13 01:02 PM
1 720
Hi all, Is there a definite relation between un-balanced loading of a 3 phase transformer and increase in...
Dec20-09 06:08 PM
14 5,256
Im trying to expand the range of my wifi network, and Im not sure exactly what to expect from a +27 dbi antenna. As I...
Nov23-11 02:31 PM
1 1,318
Is there a general relationship that can be used for LED lights tying togethor Cadella output and Wattage required?
Jun17-09 01:35 PM
4 1,044
Consider the following system - A coil is wrapped around a soft iron core as shown below. A permanent magnet is placed...
Aug4-11 01:08 PM
7 10,276
I have looking for something relating Hookes law to Fm=NI. The only thing I can come up with is N is the same as K and...
Feb17-04 07:24 AM
0 2,272
I know how to measure Km, but I already know Kt from the datasheet and according to some motor calculation guide's...
Nov4-10 07:48 AM
2 2,202
Hello, I am wondering if anyone knows any correlations or equations that can give me the temperature of a wire due...
Sep27-12 04:39 PM
10 3,093
I have a friend who was asked what temperature corresponds to an output of 1.5mV from a type T thermocouple. What...
Nov16-07 06:36 PM
5 3,132
I was wondering if anyone knows if there is a theoretical relationship between power grids generating capacity to its...
Feb15-09 11:17 PM
0 2,852
Hi, I am trying to program an I2C interface and it's not working. The master is TI Cortex M3 processor and slave is...
Oct19-10 05:21 PM
2 1,824
Hello, I have started reading a beginners book (from the "stop faking it" series) on electricity and magnetism. Its...
Oct24-13 01:35 PM
10 701
HiHo! W. Stallings's "Wireless Communications & Networks, 2nd edition" explains the relationships between bandwidth...
Jun20-10 01:22 PM
poor mystic
5 4,137
Hello forum members, I am trying to wrap my head around the concept of relative permittivity. I have read the...
Oct26-13 01:00 AM
1 435
I have the following code dt = 0.01; % Set the time increment to 0.02 second. t =...
Nov4-09 08:38 AM
0 1,439
can anybody explain to me how relay and solanoid work in a simplest way ? I got a few sources that explain about...
Jul16-04 11:36 AM
Dual Op Amp
3 3,582
Hello, I'm working on a fire/burglary alarm panel and I need to add an external relay that closes a circuit...
Nov18-10 09:30 AM
2 1,631
What causes relay chattering and what can be done to prevent it?
Dec4-07 11:04 PM
4 15,168

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