
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Mar2608 12:32 PM
berkeman

0 
31,497 
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...

Jul1314 10:34 PM
NATURE.M

63 
83,850 
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for...

Aug2214 02:05 PM
Jamesangelo

28 
59,066 
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...

Aug2514 03:20 PM
Fuxue Jin

196 
96,505 
I have a signal and it oscillate bewteen 0 and 10V for 400ms when triggered. What is the easiest way to design a...

Apr1007 06:54 PM
david90

2 
1,125 
I had electronics last semester, and we went over some digital briefly at the end. I think we learned a bit about...

Apr1007 07:45 PM
PhilosophyofPhysics

4 
1,236 
hi...i don't know if like this topic exists here ...but i noticed that it is good to make a topic about websites about...

Apr1107 01:20 AM
moe_3_moe

2 
1,471 
Greetings All,
I'm restarting a personal project (after having to put it on hold) involving magnetically induced...

Apr1107 12:48 PM
GarageTinker

18 
9,842 
Hello All,
I was wondering if anyone could help me determine roughly what size wire is used in the coil of a...

Apr1107 12:48 PM
Jdo300

0 
2,590 
hey,
could anyone advise me on how to set up a solenoid to pull a small bar or stop into the path of the coin for...

Apr1207 04:01 PM
propergomper

0 
1,512 
Dear all,
I know that I can create a uniform field using the design of a Helmholtz coil with an aircore. ...

Apr1207 07:11 PM
marcusl

3 
4,049 
I am obtaining data with a sample rate of 6250 samples/second on a digital oscilloscope. Ideally, I am obtaining a...

Apr1207 10:30 PM
vsage

2 
2,312 
Here is a great online tool to do bitwise operation. This is a great tool for those who learning bitwise operation in...

Apr1307 01:13 PM
LPHY

0 
3,285 
Hi,
I have a simple circuit question. I was just wondering why I(o3) = 0? (see link)
 Is it because current...

Apr1407 02:41 AM
Corneo

1 
1,193 
Hi,
I'm just getting properly into electronics. I'm curious as to how fast an analogue circuit can operate. I'm...

Apr1407 05:04 AM
antoker

6 
1,276 
Hi,
What is the rule of thumb for choosing the voltage rating of a capacitor? Should it be twice the operating...

Apr1407 09:46 PM
es1

4 
44,105 
Hello All,
This is an edited reposting. I am looking for verification on a formula. As part of a personal design...

Apr1507 02:36 PM
GarageTinker

4 
24,185 
Hi All, The question I ask is pretty elementary.Come to think of it, i am not even an academic and the industry I work...

Apr1607 04:11 AM
smolkswagon

0 
1,053 
Hello All,
I was wondering if someone could help me figure out how to calculate the induced voltage across each of...

Apr1607 11:13 AM
berkeman

3 
2,770 
hi i was wondering if anyone could tell me about a sigmadelta convertor
what its general functions and the...

Apr1607 11:31 AM
berkeman

1 
1,799 
What instrument would I need to get a hysteresis loop (Flux Density vs Magnetizing Force) for an inductor? Is it...

Apr1607 11:34 AM
berkeman

1 
2,023 
Hello All,
I've been working on making a special threechannel pulse circuit that has three harmonic outputs using...

Apr1607 11:44 AM
berkeman

4 
6,612 
A while back, I purchased a 38W peltier cell on ebay. It wasn't powerful enough, so I'm looking at something along the...

Apr1607 01:31 PM
vadslram

1 
4,880 
Hi all,
Can anyone please give me an example of a nonlinear differential equation used to model a certain type of...

Apr1607 02:08 PM
waht

3 
2,369 
hey can i talk with any ee student of university of michigan...:rolleyes:

Apr1607 04:44 PM
berkeman

4 
1,641 
I am trying to control a bunch of LEDs to respond to different audio frequencies.
I have a microprocessor with A/D...

Apr1607 06:24 PM
sas3

6 
1,891 
So I will start off saying that I am not a genius when it comes to this stuff quite yet, but i have done several EE...

Apr1707 12:30 AM
Arsenic0

0 
4,733 
I'm very interested in Experiment with high voltage that can show arcs.
I also like to modify my swatter ( electric...

Apr1707 12:19 PM
berkeman

3 
2,945 
hi all. hope everything is well.
Just some advice please:
want to measure the displacement of a car's shock...

Apr1707 01:31 PM
LM741

11 
2,443 
Dear All ;
what is the inverse fourier transform for f(w)=w
and how can do it in steps??
thank you
ahmad

Apr1707 03:25 PM
ahmadal3omar

0 
2,335 
So here is the deal: I am driving a polarization rotator to attenuate light. The polarization rotator takes a 35kHz...

Apr1707 07:01 PM
Mindscrape

2 
2,280 
Was hoping someone could sum up what parasitic oscillations are (perhaps in terms of some simple circuit...

Apr1707 11:22 PM
apra143

2 
3,780 
I have a problem where I have digital information on my computer and want to send it to thousands of receivers across...

Apr1807 11:41 AM
berkeman

2 
1,732 
Does anyone know where to find a solutions manual to "Field and Wave Electromagnetics" written by David K. Cheng? If...

Apr1807 01:35 PM
berkeman

3 
6,649 
I found a schematic from the internet that was claimed to generate a square waveform at a decent frequency. I built...

Apr1807 02:43 PM
antoker

3 
2,390 
I play around with HO slot cars and would like to wind my own "hot" armatures but I can't find any sources of...

Apr1907 06:17 AM
vadslram

2 
22,130 
Hi i am stuck with something really simple :(
I know that we can express a signal with the even and odd signal...

Apr1907 10:20 AM
vsage

5 
10,139 
I need help plotting the VTC of a given circuit. I tried dividing the output signal by the input signal put that does...

Apr2007 09:31 AM
sunday

15 
3,090 
What is "rated load" and what is its relationship to rated voltage and current?
Part of the question:
"Assume the...

Apr2007 10:48 PM
WFO

2 
13,447 
Hello i need some help with a postgradyuate lesson we have.
It is called signal and systems and basically starts with...

Apr2107 09:49 AM
trickae

4 
14,232 
hi,
I am having trouble figuring this out mathematically...
I have no idea why but I can't figure it out using...

Apr2107 11:12 PM
shibme

8 
1,446 
Hello All,
I hope everyone has had a good weekend. I've put together an Excel sheet (168 Kb) into which I've...

Apr2207 06:22 PM
GarageTinker

0 
1,490 
Does anyone know where I can get a copy of pspice? I just want to try out the examples in the Sedra and Smith's...

Apr2307 03:33 AM
ossamaussama

2 
2,687 
I have a Philips 1000/J/2000 357 Rp 16Khz Capacitor, can anyone tell me what the capacitance value is? i believe its a...

Apr2307 03:37 AM
ossamaussama

3 
1,323 