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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 96,712
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 59,136
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 83,982
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,530
what are generator neutral earthing resistances. Are they necessary for small generators? (50 KW 3 phase 120/208v.)
Jul8-09 07:27 PM
Josh111
2 1,124
Here's the thing. I have 4,7 nF capacitor and AC: 1 kHz < f < 10 MHz. I measure real and imaginary part of...
Jul8-09 06:48 PM
vk6kro
7 1,601
I'm new to electrical engineering so this is probably a stupid question. But after reading about piezo-electricity,...
Jul8-09 04:39 PM
negitron
3 1,066
I have a question about the nodal equations of BJTs - when analyzing a circuit to find out the input impedance, output...
Jul8-09 03:07 PM
uart
4 2,713
help me out with circuit diagram of pulse generator with varying pulse width,amplitude and frequency
Jul8-09 12:36 PM
berkeman
1 736
What area of Electrical Engineering is most interesting with respect to research/specialization? I heard from...
Jul8-09 12:36 PM
berkeman
1 1,596
I was just thinking about replacing an engine with a motor in my genset but can't find the right match. It would be...
Jul8-09 11:08 AM
uart
4 668
We have several Roombas in the house and we use a lot (12) of those little "invisible walls" to control where they can...
Jul8-09 09:15 AM
vk6kro
26 4,188
Hi, I'm trying to build a high frequency generator. The pulse needs to have atleast 1ns rise/fall time, variable...
Jul7-09 10:28 PM
Bob S
10 6,526
could someone explain to me what a Candella is? I am not really getting it. Okay, so it is a Watt/Steradian. Okay....
Jul7-09 02:20 PM
cepheid
3 3,892
Im wondering what the difference would be for an inductor made of insulated copper wire and one without insulation in...
Jul7-09 11:31 AM
Bob S
2 4,114
I am very inexperienced at wiring, and electricity in general, but was hoping to find some assistance in this forum. ...
Jul7-09 09:36 AM
WaySafe
7 1,407
T The question is about the concept of the operational amplifier in electronics. For an ideal op. amp., it is said...
Jul6-09 04:49 PM
es1
8 1,040
Hi everybody I am new here but I hope that you help me. I need wiring diagram for 3-phase contactor with two...
Jul6-09 01:48 PM
negitron
9 1,732
Hi I have a 9v motor (can run to 24v). I need to control the speed of the motor and reverse the direction. I also...
Jul6-09 08:41 AM
terencep
3 7,563
There are different levels of earthing pits. Like transmission stations, local substations, etc. Can someone specify...
Jul6-09 05:58 AM
i.mehrzad
2 6,065
I have four dual technology (alarm type microwave & pir) sensors, which I would like to wire up as motion sensors that...
Jul6-09 01:58 AM
cageyb
6 1,033
Is it true? Does this really defies a law of physics? (More output than input). or is it bluff...
Jul5-09 10:42 PM
berkeman
5 1,234
Hi friends, I'm new to CST microwave studio. Just finish constructed a structure of an L-probe patch antenna (from...
Jul4-09 10:48 AM
winsonwhy
1 3,338
How is ventilation maintained in Power Panels. Are there air ducts, at the sides etc. I haven't seen any exhaust fan...
Jul4-09 10:07 AM
m.s.j
2 1,095
Hi, Myself and my friends fabricated an equipment for electrospinning- a process used used to produce nano fibers....
Jul4-09 09:01 AM
D_Sathish
1 697
Im not formally trained in electrical engineering but have recently been forced in the last 6 months or so to get up...
Jul4-09 07:34 AM
ananthu
5 969
Hi! I would like to do an experiment by using a can size satellite(at 1km high from earth) to sense the extremely...
Jul4-09 04:24 AM
vk6kro
15 7,746
Does anyone know how you can describe the frequency/waveform of this repeated batch of impulses in terms of a and b ?...
Jul4-09 12:41 AM
berkeman
2 658
Okay, now this may sound ridiculously stupid, but I know next to nothing about transformers and so I have a question: ...
Jul3-09 09:03 PM
harblargh
5 684
All, I need to write some code that is portable in C to do some signal processing. I've only used MATLAB in the...
Jul3-09 05:15 PM
FrogPad
0 858
I am trying to amplify extremely small signal(around 200 nanovolt) from a coil of wire on a ferrite to make a...
Jul2-09 09:21 PM
vk6kro
17 2,508
Hello everyone, I am a new user of the cmsol RF module.. I want to plot the skin depth of certain metals when...
Jul2-09 09:03 PM
rr00053
0 1,415
HI i know that the circuit attached to this thread is a differential limiting amplifier , and the collector of Q2...
Jul2-09 07:08 PM
vk6kro
6 1,321
Hello, I made a circuit to convert AC to DC. It looks like this. ...
Jul2-09 04:51 PM
ShadowPho1
8 1,202
Dear electronic gurus, (2 part question) I want to check that: If i got a 12V motor (such as example here or...
Jul2-09 04:49 PM
ShadowPho1
12 22,306
Here's the situation. We have tried to replace a "non-clogging Submersible" pump that has been in service for 20+yrs...
Jul2-09 01:47 PM
negitron
5 802
If tap changers are on auto and the harmonics are filtered out, what would happen if the tap changers are switched to...
Jul2-09 04:51 AM
m.s.j
5 1,918
Why do busbars rated for high current have nickel plating? DOes it have something to do with the skin effect?
Jul2-09 04:25 AM
m.s.j
4 2,646
Hi everybody I need the connection for relay in boards Also try to put images Thanks Best regards
Jul2-09 02:46 AM
m.s.j
5 1,444
I want to model a 3 phase transformer in maxwell and find inrush and short circuit current,can help me any one?
Jul2-09 01:59 AM
Born2bwire
3 3,174
When carrying out a system analysis During design stage (Variable speed drives connected to 3 transformers in...
Jul2-09 01:55 AM
m.s.j
1 1,518
Hey All, I am trying to recontruct an experiment for measuring a hysteresis loop in a Sawyer-Tower Circuit. It is a...
Jul2-09 12:26 AM
NAP2626
12 8,684
Hi, I want to model the em wave interaction to a metal ...can i do this without the RF module??? I want to model...
Jul1-09 08:11 PM
rr00053
11 3,281
What are busbars, and why are they so important in every power panel. What do they use. Are they part of protective...
Jul1-09 05:22 PM
dlgoff
1 3,299

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