sorry if this is the wrong section...i really don't know where to put it. well the other night i was trying to fall asleep in my room, and it was completely dark, or close to it. and i saw this wierd ...
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I want to study the convolution in more details. So if you can provide me by any link to find a brief study for the convolution....
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Dear All,
I would like to introduce this website; www.imodelit.com [http://www.imodelit.com]> . imodelit.com portal is an online library of device modeling tools for electrical engineers. It offers...
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Hi,
I am using a light sensor connected to an analog input of a microcontroller. My circuit turns an output high when there is a voltage of 2.5V or higher at the analog input i.e when there is a li...
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I am just wondering what is a good material or a material i should look for when choosing to make for the lens holder.
From my detector to the lens (focal length), does it need like a non-absorbing...
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how hard is the EIT / FE test? is it a good idea to take it?...
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Hi all,
I hope you guys can help me with my confusions here:
1) I don't understand the usage of transistors as switches. Why would you use transistors as switches, and how does that work??
2...
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Are there any resources on the web that provide example problems (with solutions) to Signals problems? My textbook (shown below) lacks any clear example problems (shows answers without showing you how...
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Hello!
I have this circuit: a source connected to an amplifier, which is connected to a coil. I'm trying to get 200V through the coil at 40 MHz. The problem is that the amplifier is not calibrated ...
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Hello All,
I was just wondering if anyone knows of a different version of the 74HC7014 Hex non-inverting Schmitt-trigger buffer chip that can run on up to 9V? This one only goes up to 6V. I know I ...
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What causes the feedback (a noise increasing in intensity and pitch) sometimes heard when people speak through microphones? I'm sure I have enough background to understand an explanation, I've just ne...
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Is high power factor good or bad? Why?
Not really sure
An assignment i have got due!...
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Hi,
I am having trouble understanding how to use Fourier series. To be more specific, here's what I mean.
http://i4.photobucket.com/albums/y11...10/fourier.gif [http://i4.photobucket.com/albums/...
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IS Electric always a CLosed Loop???
If Electricity pass through a Vaccum tube it is not a closed loop..
So can we consider it as a circuit??
also when we hold a charged conductor earthing take plac...
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Is there a cheap way to measure static correction on a shock collar for dogs?
Thanks in advance,
Mac...
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Hi, I'm technically a biologist so talk slowly!
Can anyone tell me, or point me in the right direction of a resource, that explains how you can change the frequency of an input AC source? e.g. in a...
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I was given a christmas present and i have now begun making it and ive run into a problem, does the colour code on diodes relate to where and what direction that they need to be soldered into? please ...
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first of all HELLO evry1,i am new here!!
I have a motorcycle and I wanna do something special to it so I decided on putting some LEDs on.
I buyed 20 pre-wired LEDs (http://cgi.ebay.com/20x-Blue-LED-...
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Hi guys
I'm new here and I require some help with a project I'm working on. I'm building a lamp prototype and i need to use a potentiometer to act as a dimmer. The pot needs to fit inside a 25mm ID t...
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I have got a begginner's course in computer organisation this semester. The course consists of the basic stuff like types of memories and memory hierarchy with the detailed description of each etc etc...
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Hello All,
I'm still working on my experimental control board and up to this point have been determining the best way to do the phase shifting of the input signal onto three output channels.
Af...
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I'm looking for a "physical" explanation (or as close to one as I can get) for the displayed spectrum of an FM signal on a spectrum analyzer.
I'm using a sinusoidal carrier of 200 MHz, a ...
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Hello ,
I searched online , but to no luck . can anyone help me with weblinks from where I can get MATLAB codes to design a transmitter and reciever in a communication system . Thanks in advan...
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Consider a single length of 30 gage magnetic wire that is soldered to form a closed loop. Pinch the wire at either side of the loop between your thumb and index finger using both hands pull the wire a...
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I am looking for a good embedded systems training kit that has some power, lots of features, and is relatively easy to use. I would like to use C++. I would get the Freescale s12ub but it's backorde...
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