Register to Post Thread

Electrical Engineering

- Uses of electricity and the equipment for power generation. Circuits, Fiber, Signals & Systems, Semiconductor Devices...
RSS Feed Icon
Meta Thread / Thread Starter Last Post Replies Views
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 95,223
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 58,580
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 83,065
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 31,248
I am trying to set up intial conditions for an FEA simulation and I need to know the current density. I first need to...
Jun23-09 03:11 PM
1 607
Please suggest a method to generate a 1ns pulse. with 680MHz frequency. i.e ton: 1ns. the pin should also be able to...
Jun23-09 12:14 PM
14 2,779
Hi.. i'm trying to figure out how to find voltage over nodes in a circuit can anyone give me a crash course or just...
Jun23-09 03:06 AM
2 971
Hi all, I am doing a project on electronics about the Wien Bridge Oscillator. I learned about impedances and...
Jun22-09 09:53 AM
3 2,649
Hi all, I've got a problem which is so daft it hurts. I'm using lithium batteries, and I'm well aware of the...
Jun21-09 04:21 PM
2 4,735
im currently using protel to draw circuit diagrams and it is fine for that. but, when trouble shooting a board, i'd...
Jun21-09 07:53 AM
4 11,048
I need a programmable "button" type device that will connect to a switch and will execute one function if the switch...
Jun20-09 04:11 PM
4 799
Hi .. I have looked every where for the properties of this series (TTL) i cant find it anywhere .. any help is much...
Jun20-09 03:58 PM
2 1,508
Hi, :smile: Of late, I’m dabbling with flux variation patterns in an induction motor at ‘no-load’, ‘full-load’ and...
Jun20-09 11:39 AM
43 10,242
Hey guys - I really need some help from you experts. My elderly mother and father-in-law have two electrical devices...
Jun20-09 06:14 AM
6 1,180
Hey, I'm trying to build a stroboscope for measuring the RPM of a few different fans. So far I've tried using LEDs...
Jun20-09 04:31 AM
3 1,205
We bought some rechargeable batteries a few years ago. However, we managed to lose the charger that went with it....
Jun20-09 03:09 AM
16 2,463
I have a red top optima battery like this in my truck:...
Jun20-09 12:07 AM
3 1,361
I'm trying to build a Tesla coil, for the first time, and have some questions. Whatever sources i came across on the...
Jun19-09 10:57 PM
5 1,658
I'm a little stumped trying to design a current-based power supply for some power LEDs. Essentially I want them to...
Jun19-09 07:38 PM
Bob S
7 2,442
A wire and a battery (a AA Duracell battery just to keep things clear) are connected in series. The way I...
Jun19-09 06:57 PM
16 5,102
Good day everyone I'm implementing a speed controller for a DC motor 220 v 2.7 A 1500 rpm. I've already made and...
Jun19-09 04:02 PM
10 13,166
If I run a 741C op amp with Vcc=+9v and Vee=0, will it affect the functioning of the op amp? Can I still use it as I...
Jun19-09 10:41 AM
13 1,817
it could be stupid question for you... if I input Table I can get...
Jun19-09 10:27 AM
5 3,579
:confused: Hello Could you tell me is there a way of accurately measuring battery life? Basically I have a...
Jun19-09 03:28 AM
6 10,097
Hi all. This is my first post here. Really hope someone can help :) Im facing some problem regarding the design of...
Jun18-09 11:17 PM
6 3,946
I have a circuit containing ACST6-7S AC switch. That power switch is used to put out 98Vrms, which drives another...
Jun18-09 08:23 PM
5 974
It probably won't be too many years before I'm going to need a hearing aid. I've looked into some of the ones out...
Jun18-09 05:39 PM
18 1,928
does anyone happen to know what resistor i would need for a pair of 850Mah rechargeable batteries as the one in my...
Jun17-09 07:31 PM
6 991
I am trying to understand the mechanical force exerted on a breaker when it is subjected to 200kA fault current. In...
Jun17-09 07:02 PM
13 3,291
i am working on a control system for a compressed air energy storage system for a wind turbine (generates ac). the...
Jun17-09 03:51 PM
Bob S
11 7,305
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
I am looking for information on inverter-type generators (Wind/PV) and their impacts on the DSs/TSs. Does anyone know...
Jun17-09 08:33 AM
0 983
In a normal power distribution network there are successive circuit breakers each responsible fore the circuit that...
Jun17-09 05:47 AM
6 980
Hello. I am trying to teach myself some information about radio engineering. I keep getting stuck on the concept of...
Jun17-09 12:06 AM
5 4,075
Can someone specify the system requirements for that ideal computer which is going to work and be compatible with the...
Jun16-09 10:13 PM
8 931
Is there a product that will step down 33Kw to 12v DC? or 120v ac?
Jun16-09 07:45 PM
3 1,133
Hi all I'm not sure if this question is better suited for the EE thread or diff eq, but I'm trying to understand what...
Jun16-09 03:00 PM
Bob S
1 5,285
I need simple 10-awg insulated wire that can be passed through water and not corrode. I'm having trouble finding types...
Jun16-09 08:16 AM
7 2,547
Everybody knows what a wheatstone bridge looks like. R1 and R2 are on top and R3 and R4 are on bottom and R5 is in...
Jun16-09 01:01 AM
6 2,155
hi can you tell me what should be the proper wiring for this mains variac? input 240V 50Hz Once connected, it...
Jun15-09 09:16 PM
8 4,973
i want to have dc to dc converter which accept a Vin (300,600,900V) dc as input and is able to give 1.25Vin dc as...
Jun15-09 07:07 PM
12 967
Hi all I am working on a project which contains connecting Ethernet to spartan-3 stater kit board XC3S1000....
Jun15-09 12:38 AM
0 1,137
I'd like to calculate the gain of a common emitter transistor circuit I'm looking at that has a a constant current...
Jun14-09 09:13 PM
7 3,152
what are the major different other than the reason why you do three phase for motor and advantages. In detail in...
Jun14-09 02:40 PM
11 6,925

Register to Post Thread
Bookmark and Share

Display Options for Electrical Engineering Mentors
Showing threads 10961 to 11000 of 15511 Mentors : 2
Forum Tools Search this Forum
Search this Forum :
Advanced Search