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...
Aug13-14 03:22 PM
Fuxue Jin
194 94,140
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 82,339
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 58,134
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,043
Hi, I'm currently working on a High voltage equipment report and I'd like to know the differences between live tank...
Apr24-11 06:07 PM
rq554
0 4,242
I've heard about this over and over again, but i don't how this(negative pd) can be achieved in an electric circuit.
Apr24-11 04:44 PM
sophiecentaur
2 2,501
What type of electric motor is most compact and powerfull for its size (in 70 kW range)? Is there some hope that very...
Apr24-11 03:08 PM
Stanley514
3 1,668
Sorry this might be kind of vague. So I want to learn how to build parallel basic circuits with parallel capacitors. I...
Apr24-11 02:49 AM
Perfection
1 1,232
Can any one please tell me what is the component used in the cicuit by the name of 9300 ?? Plz help ...
Apr23-11 11:01 PM
vk6kro
4 904
I have never really studied the heavy side of electrical engineering. We are currently running a machine that runs off...
Apr23-11 08:02 PM
Eng.Hatem
6 7,532
I have to design and implement an 8-bit binary to BCD converter **using only ICs** I have an algorithm that works...
Apr23-11 03:25 PM
Antiphon
12 4,959
Hello, I have an intention of making a simple igniter. I have a capacitor with large capacitance. 3300...
Apr23-11 02:15 PM
Bassalisk
4 1,120
Hello, I am not even a novice at electrical engineering. I am a web designer and a programmer (Actionscript 3.0 and...
Apr23-11 01:54 PM
dunar21
5 926
Hello everyone, :smile: I am trying to understand how a transistor works. Let's start with a NPN transistor. I read...
Apr23-11 01:13 PM
Studiot
9 2,776
Hi everyone, I seem to be having a little trouble with parallel impedance. I have the equations, but I dont...
Apr23-11 01:13 PM
tiny-tim
28 5,819
Hello guys, I'm working on a machine now and it's called DFIG (Doubly-fed Induction Generator). It is connected to...
Apr23-11 12:55 PM
Truthlover
0 1,235
Dear All I am having problems with how to draw band diagrams with band bending for Schottky Barriers and PN...
Apr23-11 09:24 AM
jsgruszynski
1 14,941
Hello everyone, I'm trying to figure out why the third transform in the picture I attach here is different to the...
Apr23-11 06:48 AM
nylonman
2 1,331
I am a bit confused over the frequency term that appears in Johnson and Shot noise formulae. What is this term? Is...
Apr23-11 06:34 AM
jsgruszynski
1 934
Hello, I have a question related to coordinate transform. If this is not the right section please feel free to move...
Apr23-11 05:58 AM
jsgruszynski
1 1,604
I am building a pulse oximeter, and there is a photo diode that is reversed biased by 4.5 volts. When there is a...
Apr23-11 05:52 AM
larny
26 5,129
I am in need of creating a 4 layer PCB stackup, but I need to have one of the PCB different width and length to create...
Apr22-11 08:21 PM
Proton Soup
2 4,805
Hi friends, I have a samsung mobile charger with specifications as Input: 150-300V AC and 0.15A Output: 4.75V DC and...
Apr22-11 08:09 PM
vidhyarthi
6 1,160
So I've been trying to work on this project that requires me to take a 12V AC to DC adapter (says 300mA on it) and...
Apr22-11 07:49 PM
fulmenatrum
8 4,959
Cheers
Apr22-11 07:33 PM
vk6kro
3 1,620
Hello, I want to come clean with rectifiers. Mainly half wave rectifiers with filter. ...
Apr22-11 04:38 PM
skeptic2
6 6,042
I am less than a novice regarding electronic issues and understanding circuits , and need help in terms of seeking a...
Apr22-11 01:20 PM
berkeman
1 643
I want to make a Van de graaff generator loosely based on this design, but I want to make it a bit bigger and more...
Apr22-11 12:08 PM
Evil Bunny
0 556
Hi I just have a quick question for a feedback potentiometer circuit what is the purpose of the resistor R25??? Please...
Apr22-11 08:06 AM
omnikey
10 4,034
For years I have mastered the art of simulation and testing, but I almost never seem to be able to find SPICE models...
Apr22-11 12:56 AM
berkeman
2 1,467
This is the way I understand Mosfets (NMOS) The source is grounded, drain is at some positive voltage V, gate is...
Apr21-11 11:54 PM
MATLABdude
1 1,227
So, my goal is to be able to take two walkie talkies and put one of them on a near space balloon and have a...
Apr21-11 11:20 PM
Xarren
5 2,045
I want to doing a project for wireless transfer of data biomedical for example data of ECG or EEG ...with zigbee. ...
Apr21-11 02:57 PM
schip666!
2 906
Hi everyone, :smile: I was wondering why they only use 5th and 3rd groups elements to create n-type and p-type...
Apr21-11 03:56 AM
MATLABdude
2 1,064
Hey everyone, I just went to Radio Shack and picked up a few parts to begin a book on Electrical...
Apr21-11 01:12 AM
PwNakahn
2 907
In high speed digital designs, there is a series terminating resistor to match the output impedance of the driver IC...
Apr20-11 04:28 PM
Bob S
7 2,394
Dear all I am slightly confused over the equations for skin depth. My university notes give me the equations: ...
Apr20-11 04:23 PM
Bob S
1 3,179
I am working on a space balloon project and I wanted to send video, or pictures, back to earth via walki talki. I...
Apr20-11 01:32 PM
Studiot
18 2,482
Hi, The following circuit is the the very basic form of an Hbridge inverter driving a parallel LC tank at its...
Apr20-11 05:14 AM
sina_stuck
2 986
Using a neon 15kv transformer rectified (NTE5342@ 40 amps) to dc at the transformer input, I don't want to rectify the...
Apr19-11 11:42 PM
Jiggy-Ninja
2 1,245
hello i am new, i thinking to make a fm radio receiver but i don't know what i need (capacitor, oscillator etc) can...
Apr19-11 07:53 PM
vk6kro
9 2,016
Hey everybody, I've been trying a bit of an experiment involving cascading an inverting logarithmic amp with an...
Apr19-11 07:08 PM
Bob S
7 2,747
There are lots of for metal cutting measurement. However, thermocouple is not in the list of metal cutting...
Apr19-11 05:52 PM
0xDEADBEEF
1 1,001
Dear all, I measured some very nice data, but it's difficult to analyze, but I try to get out of it what I can. I...
Apr19-11 05:26 PM
0xDEADBEEF
1 1,372

Register to Post Thread
Bookmark and Share

Display Options for Electrical Engineering Mentors
Showing threads 7041 to 7080 of 15449 Mentors : 2
 
Forum Tools Search this Forum
Search this Forum :
 
Advanced Search