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Jan16-12 Greg Bernhardt
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 5,540
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 4,296
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 75,001
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 83,211
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 54,549
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 29,412
What things do I need to consider when selecting a proper sized power supply? Basically this is control power, ouputs...
Feb6-13 10:17 AM
Som_P
4 416
in household supply, one wire is neutral wire and another is ground. Both are at 0 potential. My question is that can...
Feb6-13 08:38 AM
Windadct
2 1,417
Hello everyone! First post, so I apologize if I am in the wrong area. I am designing a charging circuit for a...
Feb6-13 04:49 AM
sophiecentaur
2 465
I am new to this field of electrical measurements and my question may sound amateurish but your suggestions will be...
Feb5-13 10:48 PM
Bobbywhy
1 595
Hello all, My question pertains to specializing within an EE degree. At my school we have to specialize in 2 out of 3...
Feb5-13 06:57 PM
psparky
3 621
I studied mechanical engineering in college, so electrical engineering isn't my strongest suit. Basically I have a 12V...
Feb5-13 06:20 PM
BMWPower06
9 1,414
I am from a country where power outage is very common. I have a light source which is run by a lead acid battery. At...
Feb5-13 06:14 PM
adilsyyed
4 503
Greetings Forum, I just bought an Invensense MPU-6050, I need to design an LPF to filter the noise. How do I analyse...
Feb5-13 04:01 PM
GrahamN-UK
5 1,059
Hello Forum, Some electronic devices specify a certain specific voltage that they need to work properly. Some other...
Feb5-13 03:36 PM
sophiecentaur
24 2,780
Hi. Most grateful for your suggestions on the following. My generator is a Stamford/Newage 125 kva, 1500 r.p.m., 174...
Feb5-13 01:57 PM
GrahamN-UK
5 1,163
I'm troubleshooting an old (1995) LeCroy scope that has shown some irregular behavior lately ("multiple calibration...
Feb5-13 04:37 AM
gnurf
3 494
Good day to all Physics Forums members, I am currently undertaking a project which involves the use of a Linear...
Feb5-13 04:32 AM
ca2n
0 597
Hello I have a very basic question. I'm studying power cable engineering right now and I've learned about the role...
Feb5-13 04:09 AM
Fjolvar
0 395
Hello, I'm working on a project at which a large amount of current is being passed through a low voltage system...
Feb5-13 01:12 AM
jim hardy
9 1,175
Hi. I am curious about ways to sense the position of a rotor in a BLDC motor. I am familiar with hall sensors and back...
Feb4-13 10:56 PM
Turst
3 465
Hi guys/gals. Enjoying the Superbowl here on the east coast. Hope you guys are having a good evening too. My...
Feb4-13 05:21 PM
jim hardy
4 618
Hello forum, I have a ceiling fan with a remote control. The battery dies too quickly. There is only one IC in the...
Feb4-13 02:14 PM
fisico30
2 456
Hello. I was wondering if someone could explain to someone with no electrical engineering background where would...
Feb4-13 11:29 AM
sophiecentaur
5 711
I saw 15 Amp motor which runs on 120 VDC with 5500 rpm . I'm not sure what's HP of that motor, but I read 5.5 HP,...
Feb4-13 11:09 AM
sophiecentaur
3 436
I work with industrial electrical system and I got a question regarding electrical noise caused by electromagnetic...
Feb4-13 10:14 AM
Mordred
10 1,047
Hi, A current carrying wire creates a magnetic field around it, as shown here:...
Feb4-13 10:02 AM
Windadct
1 700
I'm trying to make ferrofluid according to this guide: http://www.sci-spot.com/Chemistry/liqimag.htm and in step 5 I...
Feb4-13 04:02 AM
Vandalus
4 587
I have a circuit (attached) that is providing too much voltage into my FPGA. I attached the circuit. The output of...
Feb3-13 04:13 PM
Mike_In_Plano
3 675
I before i got to turning it off right after i spilt the drink, the fan seemed to boost up to the highest speed in the...
Feb3-13 09:55 AM
Mordred
14 898
Hello I'm confused by the specifications given for a Heinzmann DC brushed hub motor. It is giving me different...
Feb3-13 09:52 AM
trix312
0 968
Greetings, I am studying Analog & Digital Communications in one of my lectures and I'm stuck with a subject. I...
Feb3-13 08:58 AM
Meteora
3 686
South Korean researchers have developed a magnetic transistor switch which may save power: ...
Feb3-13 07:18 AM
mfb
1 500
Hello... I have a question: Physically why when a ferromagnetic is saturated the current is non-sinusoidal ( I'm...
Feb3-13 01:41 AM
NascentOxygen
1 459
Hello Everyone. I am working on a DC-DC converter design which uses a transformer with an additional inductive...
Feb2-13 10:11 PM
hobbs125
0 465
Hello there! I was brainstorming a lot when I took a walk today. Not that I posses any type of degree in...
Feb2-13 07:11 PM
Mordred
6 359
Trying to get my head around frequency response and Bode plots, but I'm having trouble interpreting what's going on....
Feb2-13 02:20 PM
Gauss M.D.
0 496
I was wondering what are the major things I should concentrate in creating a strong electromagnet? What are the best...
Feb2-13 01:04 PM
DrZoidberg
1 575
Does anyone have any information on what the clear plastic cases (lens, capsule, w/e) are made of for LEDs? Google...
Feb2-13 06:08 AM
Simon Bridge
4 479
Hiiiiii Everyone , It is My First Post ....And I will be Very pleased if You helped me find a solution to my...
Feb1-13 07:43 PM
Simon Bridge
3 466
I am designing an eeg circuit and planning to do an adc for it. Since the eeg requires a band pass filter I am...
Feb1-13 06:51 PM
raja sumant
3 479
If some one could explain the operation of both the double emitter transistor and the circuit in general I would be...
Feb1-13 04:21 PM
FOIWATER
15 955
Hello The equation for power consumption of a three phase induction motor is given by the equation: P =...
Feb1-13 02:23 PM
Windadct
2 1,105
Hi all, this is my first post so please bear with me - any advice/support would be warmly welcomed. I have been doing...
Feb1-13 08:08 AM
derick007
0 491
What is meant by achieving "full diversity gain over Rayleigh fading channel"?
Feb1-13 02:34 AM
crixus
2 810
Hello all, I am currently pursuing my MSc in Nuclear engineering. My background is in BSc Electrical/electronics...
Feb1-13 01:07 AM
Nuclear_chita
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