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Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Apr19-14 03:36 PM
19 438
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...
Apr10-14 04:04 AM
189 61,248
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Feb4-14 04:57 PM
62 59,736
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
27 47,272
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 26,054
What software is used by manufacturers to produce the thousands of data sheets for all of the products that they make?...
Dec11-12 12:54 PM
6 816
I've been reading about earthing of electrical systems. The book that I'm reading states that transient overvoltage...
Dec11-12 12:44 PM
2 641
I hooked up a small circuit I found towards the bottom of this url and plotted the result in a spreadsheet (figure 1)....
Dec10-12 03:01 PM
11 1,359
I've a small wind turbine that is rated at about 24V. The turbine produces AC voltage but it's got an internal...
Dec10-12 11:37 AM
10 785
Im designing a PCB and i need a software that is able to change the size of the components (e.g. the length of the...
Dec10-12 07:45 AM
8 968
In a robotics project and need an indicator to show the operator when the safety circuit is open or closed. Got it...
Dec10-12 03:59 AM
7 1,546
Hi, I'm pretty confused about mesh and nodal analysis when there are diodes in the circuit. I want to calculate...
Dec10-12 02:26 AM
0 552
Hi there, I've got a fairly simple question theoretical question about transformers and I suspect it stems from a...
Dec10-12 02:07 AM
2 574
Hey all! I am gearing up for next year to do a senior project, I want to knock it out in my spare time for the next...
Dec9-12 03:58 PM
3 574
with s being the sensitivity of a transfer function GC/(1+GC) to the parameter G. (1/(1+GC) I see mathematically...
Dec9-12 11:27 AM
jim hardy
1 541
Here's the scenario: I need two plates that start off in proximity (a few mm apart), and I would like to vary the...
Dec9-12 08:03 AM
9 694
Why is it that we accept triple-n harmonics in the output voltage spectrum of VSCs? Assume we are using SPWM where...
Dec8-12 06:20 PM
1 622
I am studying Mechanical Engineering at college, so please forgive me for any assumptions I make. I know (been...
Dec8-12 01:06 PM
jim hardy
11 1,023
Hello. I have a load powered at 1.4 V through rectifier bridge and capacitor 4700 F. A residual ripple appears. As I...
Dec8-12 05:36 AM
3 598
I have done quite a lot of desk research and spoken to a few manufacturers, but I am still not clear about the...
Dec8-12 12:59 AM
11 1,023
I was wondering why it is not possible to have SSB and QAM modulation? I read somewhere that if you only take one side...
Dec7-12 11:32 PM
0 405
I took my first circuits class this year and started working with PSPICE. I got the basics but I would like to get...
Dec7-12 08:54 PM
0 416
Hi guys, I have a question that is nagging me quite a lot. Let us say that we have a circuit who has two ...
Dec7-12 07:34 PM
6 673
I have a 13 layer 130mH induction coil that failed and now registers 6.64mH. During the failure analysis the coil was...
Dec7-12 12:09 PM
jim hardy
3 586
Dear All, I am working on a project to optimize the parameters for PID Controller using Genetic Algorithm...
Dec7-12 08:24 AM
0 923
So as an aside during class my ECE lab TA mentioned that you could make an up/down counter using nothing but JK flip...
Dec7-12 04:20 AM
1 375
A second order system has the following standart form; ...
Dec7-12 02:54 AM
1 687
please explain it...
Dec7-12 01:41 AM
jim hardy
5 741
Hi, I'm wroking in a project about robotics that uses servo motors. Can someone recomend me a book that completely...
Dec6-12 08:01 PM
1 693
Heres a good one for the group... I once had a design that had an 0603 ceramic 1000 pF 25VDC capacitor in the return...
Dec6-12 07:36 PM
3 618
Hello, So I'm facing some difficulties. I'm using a DC voltage supply and connecting it to a PIC Board. The AC...
Dec6-12 06:15 PM
3 461
in welding operation , you never hit by electric shock,why????
Dec6-12 06:03 PM
28 2,667
Hello, I'm trying to find out how much energy an induction motor pulls over a 24 hour period when connected to a...
Dec6-12 05:30 PM
4 884
I have an application where I am using a 24V DC motor to drive a ball screw. If someone isn't paying attention and...
Dec6-12 11:43 AM
jim hardy
6 539
Hello I have recently been covering firing angles in rectifiers at uni. I didn't really understand it in the...
Dec6-12 09:58 AM
3 1,042
I have to measure the magnetic field created by a solenoid. My attempt would be using a commercial Axial Hall Probe,...
Dec6-12 08:41 AM
10 1,224
I am trying to learn about Signals and Systems from open courseware material. So far, I have only done some work on...
Dec6-12 03:31 AM
0 390
Hello all, I am trying to make an FM transmitter that operates at only 1 frequency. I need the frequency tolerance...
Dec5-12 09:47 PM
6 919
Hi, Can you please let me the impact of current loading for the attached circuit? The attached circuit is a...
Dec5-12 06:12 PM
1 465
Hello Everybody, I'm trying to plot the frequency spectrum of RIN using Matlab. I've the following code ...
Dec5-12 04:35 PM
0 1,208
Hi folks I would like to know maybe someone has some insight if you make a circuit in multisim (I have the 12 edition)...
Dec5-12 04:18 PM
5 981
Hello Can any one help me to explain this graph.I have never performed any simulations before. It is the...
Dec5-12 08:00 AM
0 431
Hello. I have to replace a component at the input of an old oscilloscope. The reference is unfoundable ( 41R105 ??? )...
Dec4-12 11:33 PM
5 748
Hi, I'd like to do a simple experiment to see how grounding influences the EMF generated by an appliance. I'm a...
Dec4-12 10:58 PM
3 503
I need to design a class D low power RF amp that I can control the RF output of without tampering with the input...
Dec4-12 10:41 PM
32 1,204

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