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Mar2608 12:32 PM
berkeman

0 
31,167 
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 
82,769 
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 
58,421 
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 
94,773 
Hello, I'm building a DC generator for fun (of the cardboard and lego variety). It is based on this model:
...

Apr1512 07:33 PM
Joe111

9 
16,685 
Hi, here are a few newb questions about error sensing 
I have a Kepco BOP 2010M that I have connected to a solar...

Apr1512 11:56 PM
Aaron William

0 
707 
Hello, this is my first post. I googled it, and searched the forums, but no luck.
I want to know what I need to...

Apr1512 11:59 PM
mdjensen22

5 
1,089 
Hello,
I am an Electrical Engineering Technologist student and we have a design project that i am trying to...

Apr1612 01:49 AM
jim hardy

1 
938 
Hi
I have taken a very rudimentary course on antenna theory, now i am interested in further deepening my knowledge....

Apr1612 01:53 AM
najeeb

3 
1,050 
Please explain me the working of TRAPATT diodes . I am not getting it from the textbook especially the transit time...

Apr1612 02:49 AM
erece

0 
1,582 
iam going to work on real time image detection and recognition can anyone recommend me a good book iam totally new to...

Apr1612 04:25 AM
asad1111

0 
679 
If I was to make a modification to an 8 bit full adder to make it a an eight bit full subtractor would I put an...

Apr1612 09:45 AM
rbj

2 
11,910 
I know that an AM Amplitude vs. Frequency Spectrum has a central frequency = carrier frequency and two side bands of...

Apr1612 01:48 PM
sophiecentaur

4 
1,477 
Hi,
Something is puzzling me with the HVDC work I'm currently working with. I'm working for contracting company...

Apr1612 02:54 PM
AElcEng

3 
1,232 
Hi, I see that Boltzmann constant comes in different forms like: k=8.62*105 eV/K and also k=1.38*1023J/K.
Which...

Apr1612 04:16 PM
rbj

7 
2,813 
I am looking at a building with a car park in Sydney. Electrical circuits are run on perforated cable trays at high...

Apr1612 04:47 PM
Futsal1st

0 
427 
two very large solenoids (tons maybe ) Stacked vertically, very large capacity wire coil w/ iron core. upper solenoid...

Apr1712 01:40 AM
Eschersand

55 
26,550 
hi all,
i wanna know that how can i determine the size generator fuel storage tank.
let suppose i have 3 generator...

Apr1712 06:14 AM
Mateenuddin

6 
1,927 
Ok; so basically, I am creating the game of Nim through gate chips (AND/OR/NOT), switches, and yea all the basics.
...

Apr1712 10:14 AM
EEmajor

5 
1,151 
I am trying to build a function generator and I am unsure of how to build a circuit to vary frequency. Would I use a...

Apr1712 02:01 PM
Windadct

4 
2,251 
Let's say we have 2 different conductors  one a round wire, another a round wire but with hollow core.
The wire...

Apr1712 02:56 PM
yungman

23 
3,741 
I have some recessed can lighting fixtures in a commercial application that was using compact 277v fluorescent bulbs...

Apr1712 05:43 PM
wirenut

9 
1,929 
"an electric field is the region of space surrounding electrically charged particles and timevarying magnetic fields"...

Apr1712 05:44 PM
earlofwessex

1 
1,066 
What would happen if an uplink and downlink had equal frequency. I know 'swamping' would occur, but what IS swamping ?...

Apr1712 08:14 PM
vk6kro

8 
1,878 
i have a wien bridge oscillator by using ±15V power supply. its output is sine wave. but i have a question. is the...

Apr1712 08:20 PM
vk6kro

2 
812 
Can you explain to me how I find the initial magnitude in dB in example 5?
I'm used to using the equation 20log(break...

Apr1812 06:54 AM
CognitiveNet

0 
686 
I am having trouble coming up with the equation given to me from ...

Apr1812 09:41 AM
JohnHavranek

0 
1,673 
I'm just curious.. the widely used DCF.. what are they made of? Are they just normal fiber with some physics trickor...

Apr1812 10:25 AM
sixers0130

0 
536 
Hello. Here joined is the schematic of a small deflection amplifier. Outputs H0 & H1 are connected to electrodes...

Apr1812 11:24 AM
yungman

6 
1,395 
I'm studying for an exam and i'm struggling to understand op amps, here's my problem:
I understand that for an op amp...

Apr1812 11:47 AM
psparky

6 
3,472 
Hi, y'all;
This will likely be a simply question for most of you, but I am still something of a neophyte (yes, yes,...

Apr1812 04:54 PM
DragonPetter

1 
671 
Hi im making a project in my spare time and i am getting quite confused with the whole situation.
I have 100 LED's...

Apr1812 07:09 PM
vk6kro

19 
2,080 
Dear All,
When I have a equation 1/sT
its an integrator with time constant
i.e Assuming a T of 5s, if I input a...

Apr1912 12:04 AM
rbj

1 
913 
I am working with a kit circuit that I ordered online. The circuit triggers a relay when it "hears" a loud noise. I...

Apr1912 01:33 AM
hisham.i

1 
1,150 
We know charge is accumulated on the conductor plates of capacitor. Here is a circuit (image) with voltage source,...

Apr1912 05:33 AM
sheshank

48 
10,180 
I found this problem during simulating my SIMULINK block diagram. how can i solve this? thanks. it is emergency. this...

Apr1912 10:45 AM
tonylim456

0 
1,976 
hello, pozdrav
my question is about Valve Regulated Lead Acid battery. may i charge it only with "float" voltage...

Apr1912 11:32 AM
pocho

2 
1,201 
Is the output from a transistor sensor circuit analogue or digital? I know that you sometimes need a pull up or down...

Apr1912 04:28 PM
yungman

9 
1,817 
if electricity is flow of electrons and also positive and negative charges attract
then why electricity needs a...

Apr1912 06:41 PM
jim hardy

3 
920 
Isn't the case that when the lamp filament melts the resistance of that part of the circuit goes to infinite? So why...

Apr1912 07:02 PM
jim hardy

4 
1,462 
I would like to make an electromagnetic simulator, but I have no experience in this. I have written 3dimensional ray...

Apr2012 02:39 AM
yungman

5 
1,515 
In the ni=\sqrt{Nc*Nv}*e^{\frac{Eg}{2kT}} formula for intrinsic carrier concentration, what values Nc,Nv and Eg take...

Apr2012 08:25 AM
reddvoid

1 
7,031 
Hello everyone,
I'm Jamie and at the moment I'm at the final stages of my final year design project. I'm designing...

Apr2012 08:41 AM
asgerbj

2 
512 
I was trying to solve out this problem for homework and I came to the answer of all of them being false because they...

Apr2012 09:28 AM
rbj

3 
1,003 