Hi,
I'm trying to measure some low capacitance using parallel plates i built. We're probably looking into the pF, say maybe 20pF (with the pcb board etc). The change in capacitance that i am really...
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How will we evaluate the integral for calculation of Amplitude Factor for an LTI system for which the input and output are related by a time shift of 3, i.e.,
y(t) = x(t - 3)
The answer is: H(...
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I am aware that electronic engineers moslty end up in circuit.... so i was curious if we can do something mechanical... ie mecatronics or something like that. so have any bright ideas on how to move t...
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Hi,
I'm trying to understand the basics of boolean logic gates and I'm stuck with latches. I think I don't really understand the concept of feedback or maybe it's something else but I haven't been ab...
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Recently, I found a R-L-C Meter called Smart Tweezers R-L-C Meter from the
website of http://www.advancedevices.com/products_tw.htm [http://www.advancedevices.com/products_tw.htm]>.
It is quite s...
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I'm not entirely sure how to word this without a diagram, but please bare with me!
In an ideal case, the charge on a wire is evenly distributed.
According to Gauss' Law, an electric field from a c...
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Hi I am new to the forum. I have been studying and recently doing experiments with (LC) series resonant circuits at home. I have been referencing numerous electrical engineering books for information ...
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hi guys.... i quiet new here...
just wondering ,.. how to measure a inductor....
TQ...
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I want to make a bridge rectifier circuit to give me 6v or 9v DC power from 220v 50-60 Hz AC supply.
I know the circuit, but don't know which diodes and capacitors to buy for it.
This would be ...
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Hi,
I have to find the torque required to run a wheelchair and then to match it with the electrical parameters to find motor/motor sizing, is it ok
1) if i assume some acceleration that gives me f...
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I have got quite a bit of electronic hobbyist experience. However, recently, I found out about pic. I really want to get started on it. However, the programming boards are well out of my small budget....
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Hi all,
Has anyone got any good tips on broadband (HF->UHF)
somewhat physically compact directional coupler
SWR / directional watt-meter designs?
I'm also looking for equations or quantitat...
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hi i dont no if im doing this right but its my first post or whatever u call it ...anyways i need help making an igniter for fireworks. I saw a plane online i thought i could make farliy easily but im...
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I want to replace a single flashing red LED on my motorcycle alarm with something more ominous to ward away potential hooligans ;) I've searched for flashing & pulsing and ramping LED circuits us...
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I posed this question in General engineering but got very little response. So, if no one minds I'll try it here.
Imaging a regular hollow ball, approximately 2.5" in diameter cut in half maki...
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Hello guys,
If form example I am given the sequence impedance of a cable ( positive, negative, zero) Will I use all of these impedances to calculate the voltage drop of the cable? or only the posit...
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Hi, I am working on an EV and the problem is in sizing or selection of dc motors. I have to select few small PM DC motors instead of a big one, the purpose is to pull a wheelchair, I have the mechanic...
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Hey guys, I have two questions about something I'm trying to minimize. I'm making a binary to seven segment decoder in Verilog, and I have a truth table set up. The board I'm going to be placing thi...
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I'm not too knowledgeable on electricity, but I'm constructing an electromagnet with aluminum strips as the coil and using a 120 volt household current. Proposing to solder an extension cord to the st...
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Whether Kirchoff's Law Is Applicable In A/c.then Say How?...
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Convertion Of Armstrong Unit To Meter
How To Convert A Wavelength In Armstrong Unit To Meter.pls Tell Me....
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We have a local telephone company complaining to our utility that they have noise on their system. We have investigated and found a fairly significant 9th harmonic on the power line. This seems to pla...
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Hi all
I am totally new to this forum, so I do not know whether this has been posted before, and if so I appologize and hope that you can direct me to that thread.
I am currently involved in a p...
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i want to know why at some point the low output voltage for a bjt biased between 0 and 5
on the base
and voltage 5 at the drain
ranges between 0.225v and 75mv so which of them is the low voltage pz...
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So I'm building this glass table, and i'm going to put a few led's around the edges so i can light up the table if i need to find something in the dark (like while watching a movie). and I want a coo...
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