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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,243
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 58,567
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 95,205
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 83,044
Basically, what we're looking to construct is a very small heating apparatus. We need to find an appropriate...
Jan15-08 02:32 PM
mgb_phys
8 1,897
Hello, I am a High School senior that is going to major in EE next year and I am a having some serious trouble with...
May5-10 12:56 PM
skeptic2
4 4,481
I don't have a clear perception of how the following question is answered: "Two primary cells of emfs E1 and E2...
Jul24-14 05:51 PM
sophiecentaur
9 1,751
I'm trying to design a simple circuit that will enable a magnet passing by an induction coil to send an IR pulse to a...
Feb27-05 10:40 PM
NoTime
1 2,687
I want to transmit a number of symbols with QPSK-modulation over a channel by using OFDM. I have never used cyclic...
Feb17-14 11:47 AM
beyondlight
0 287
I don't know anything about programming. Is it okay if I start with assembly? And more importantly, how can I begin to...
Oct21-04 08:12 AM
Cliff_J
1 1,312
Hi, it is my first year in electronic engineering. I'd like to focus on subjects that are related to my job and I need...
Oct14-04 10:41 AM
kissme
2 1,977
Hi, It's my first year in electronic engineering. I wonder what I can do to begin working on electrical things even...
Oct7-04 04:41 PM
Cliff_J
1 1,312
Hi everybody, I would like to characterize a LiNbO3 intensity modulator (10 GHz) so that we can use it in our...
Mar28-12 06:35 AM
bflbfl
0 702
Hello everybody, Normally there is an RF and a DC input to an intensity modulator. I wonder what could be the case...
Jul13-12 05:53 AM
bflbfl
0 529
I am a Mechanical Engineer and have less idea on Generators. In wind turbines as the generators would be driven at...
Oct15-11 07:11 PM
cmb
8 1,631
My knowledge in electronics is limited. In general, the television remote use IR for sending signals. I would like to...
Feb17-12 04:00 PM
yungman
5 854
Recently, I have been coming across the news on BLE/ BT 4.0 on "Home Automation". However, I would like someone to...
Feb24-12 02:42 PM
bhaazee
0 2,121
I would like to know about selecting the proper lipo batteries. For example, for the following motor spec a suitable...
Mar8-12 10:51 PM
vk6kro
1 634
Why j.ds has ' closed integral ' on below equation
Dec14-13 09:55 AM
Shyan
2 431
What is phase shift of qpsk when symbol change occurs ? Can anybody explain please ?
Dec20-13 02:46 PM
sophiecentaur
2 561
What is thermal noise voltage of three resisors connected in series
Dec20-13 10:17 AM
berkeman
2 456
why in a transfer function it is written by considering the initial condition to zero.. because if we individual...
Sep19-10 12:38 AM
bharath423
5 1,482
Hi friends, here's my question. The two terminals of a PN junction are at different potentials so, if I connect a...
Sep17-11 09:26 AM
jim hardy
20 3,206
Hi all, I have recently come across term "phase wand between the magnetron and the accelerator, to provide reflected...
Dec11-13 07:00 PM
Baluncore
2 634
After conducting CV measurements on Thin Film semiconductor wafers, how do we determine the behavior of the wafer...
Mar23-09 12:09 PM
berkeman
1 1,000
Hi all, If a CV curve obtained for an n-type substrate thin film is approximately flat, i.e the capacitance value...
Apr17-09 12:40 AM
bhavi
0 908
Hello everyone, I would like to ask a little help from you guys. I am designing a Permanent Magnet Synchronous...
Aug23-10 12:39 AM
Carl Pugh
3 2,795
Hello Friends How to calculate the minimum GAP distance between two electrodes?
Dec23-13 06:01 PM
Simon Bridge
4 651
I'm curious the amount the voltage would drop across a resisitor. If you know the power going into the resistor and...
May23-13 06:24 PM
sophiecentaur
2 715
Hi friends, I was looking for signals which will have themselves as the Fourier transform. Few of them are given...
Nov27-09 07:14 PM
Redbelly98
3 1,013
I purchased two of these for 14$: http://i46.tinypic.com/2n6x4ox.jpg http://i46.tinypic.com/7lfd.jpg What can I...
Sep11-12 09:40 AM
jedishrfu
3 644
I was wondering if there was a simple program out there that would help me design and toubleshoot schematics I draw? ...
Oct8-12 01:08 PM
BhutJolokia
6 872
I am building one. Not for school but for personal reasons. Is anyone here familiar or has built one before? I have...
Oct12-12 04:25 PM
BhutJolokia
2 672
Hello, I would like to know if there is a part I can buy that will alternate my dc power circuit on/off at short...
Jun7-11 02:16 AM
Biasless
6 1,295
Please explain the below: Resistance@95 =R@35 x (1+α*(95x(I/Io)+20))/(1+75x α) at the actual current A (I Act).
Jul20-14 04:11 AM
bibincjoy
10 1,093
Hello Guys !! My question is : why in these photos the ohmmeter reads the total resistance ?? ...
Oct17-13 09:35 AM
sophiecentaur
3 460
hello guys ... i want to design this circuit on proteus and print it to put it on a board this is a regulated...
Nov27-13 07:04 PM
Baluncore
1 502
Hello guys !! :) i need your help in the integration which is used to calculate the total charge in the electric...
Mar22-14 04:23 PM
jim hardy
3 272
How can i test an ammeter with ratings 24V (dc) 100 A with any load? This is just to check whether the ammeter works...
Nov30-10 02:58 PM
waht
1 1,951
I need to know how can I increase the duty cycle of a pwm. Thank you very much :)
Apr28-09 03:00 AM
vk6kro
2 2,224
anyone point me in the right way to wire this variac up correctly....i'm wanting to control the speed of a fan running...
Mar18-11 10:57 PM
TurtleMeister
6 3,047
I always wanted to know how this worked? I know AMPs is how many Electrons move past one point in a SEC. I know...
Feb7-13 08:39 PM
benjaminbailes
13 1,538
I need some help understanding how a House Fan is wired to 2. Switches and 1. Switch can turn the fan on and off and...
Jul17-12 07:28 PM
biferi
16 2,033
I am trying to build a 3 phase sine wave 2.5-3 mhz power supply. To do that with electronic's is beyound me. I have a...
Jan30-07 01:20 AM
biff
12 3,010

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