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powering electronics by current flow

How easy would it be to make some small solid state electronics be powered by current flow? I've been trying to imagine...
12 comments posted 18yrs
posted by phil-news-nospam
12 comments posted 18yrs posted by phil-news-nospam

Peak an inductor actively?

I want to peak an LC circuit as the load changes. It's < 30 KHz and the inductor is approx 20 mH. I've seen some patent...
9 comments posted 18yrs
posted by not
9 comments posted 18yrs posted by not

Build digital read out display

I had an idea to build an A/D circuit where an analog voltage is converted to digital, then displayed on a seven segmen...
10 comments posted 18yrs
posted by nobody
10 comments posted 18yrs posted by nobody

high-side current sensing chips

Hi all, I'd like to help out some friends on an antique motorcycle forum that have a 6 volt regulator project. One of t...
26 comments posted 18yrs
posted by nospam
26 comments posted 18yrs posted by nospam

Circuit Breaker In A House Sercice Box Question

Hello: Is it possible that when a circuit breaker in a service box opens due to a short in the circuit that it is contr...
9 comments posted 18yrs
posted by rgsros
9 comments posted 18yrs posted by rgsros

Kindly Answer these questions....

Q1- What are the advantages of skewed slots in the rotor of a squirrel cage motor ? Q2- Why is the air-gap between the...
9 comments posted 18yrs
posted by navsince1987
9 comments posted 18yrs posted by navsince1987

Brushless DC Motor

This was talked about deep in another thread. So I thought I'd make one that was titled properly. After looking at the...
0 comments posted 18yrs
posted by phil-news-nospam
0 comments posted 18yrs posted by phil-news-nospam

Green Grid

Here's a chance to do some new thinking about power distribution: "The Green Grid is a global consortium dedicated to d...
5 comments posted 18yrs
posted by vwall
5 comments posted 18yrs posted by vwall

Looking for Memory Tester

Can someone refer me to a make and model of memory tester that would test 144-PIN SODIMM 64Mx64 SYNC 100 memory? I need...
5 comments posted 18yrs
posted by westes-usc
5 comments posted 18yrs posted by westes-usc

RMS voltage of a pulse width mod. waveform.

How do I calculate the RMS voltage of a pulse width? I have a Ton 5.4us, Toff 10.2us, frequency 64kHz, and the peak (me...
9 comments posted 18yrs
posted by nobody
9 comments posted 18yrs posted by nobody

50.000 Vss, 100KHz, 10ns - and much more

To archive new nano or micro perforation demands IPM developed power electronics perforation units which working as upw...
0 comments posted 18yrs
posted by werner-grosse
0 comments posted 18yrs posted by werner-grosse

Capacitor - Fact of the humor

This is a well known joke :- " A capacitor blocks DC components but allows to pass Ac. Why ? Answer : The AC jumps ( as...
6 comments posted 18yrs
posted by armundle
6 comments posted 18yrs posted by armundle

good books

Does anyone know any good practical books about electrical engineering design. It is for my new job, because what I lea...
2 comments posted 18yrs
posted by mr.carlos.cifuentes
2 comments posted 18yrs posted by mr.carlos.cifuentes

FREQUENCY-50Hz IN INDIA WHY???

why is the frequency is 50 hz in india...can we use some other frequency?if so what is the range and what will be the ef...
23 comments posted 18yrs
posted by vidhya36
23 comments posted 18yrs posted by vidhya36