op amp basics [3 articles]
lerameur - 11:50 13-05-08
hello,
I am trying to understand the fundamental of op-amp.
I found this link to be very interesting:
courses.ece.uiuc.edu/ece486/labs/lab1/386_op_amp.pdf
I would like to kno... Read More
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Help with simple DC motor [7 articles]
Jatan - 07:11 13-05-08
I need help in designing and simulating a circuit on PSIM/Matlab/
PSpice for a simple DC motor going forward/stop/reverse using a 12Vdc
source
My application is a power window... Read More
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radio eats batteries [11 articles]
RichD - 14:27 12-05-08
I purchased an armband radio recently, for jogging.
Truetech, if that means anything.
I inserted 2 new alkaline AAA batteries, they
are now dead after about 90 minutes use.
I... Read More
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basic electronic
sweet&soft - 10:26 12-05-08
The goal of this chapter is to provide some basic information about
electronic circuits. We make the assumption that you have no prior
knowledge of electronics, electricity, or c... Read More
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dear
04:26 12-05-08
you are all hero !!! you see clike here www.familyutility.blogspot.com
see soon
... Read More
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Driving two transistors with same signal [22 articles]
vic - 16:14 11-05-08
Hi,
I have two common anode 7-segments displays, and only one wire to drive
them. I need to achieve the following : when the control signal is +5V,
display1 is ON and displa... Read More
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Walkie talkie operation [2 articles]
Cass Lewart - 10:35 11-05-08
I have an inexpensive walkie talkie (under $50/pair). It receives
FRB in 400 MHz and weather stations in 160 MHz region. It is both
sensitive and selective. I can not find any ... Read More
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Garage Door Alert [5 articles]
08:38 11-05-08
A friend of ours bought a garage door sensor that has two LEDs and a
beeper that goes off when the door is first opened. An electrician
installed it in about 2 hours so he doesn... Read More
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High voltage to power electric cars. [8 articles]
sinebar@bellsouth.net - 22:12 10-05-08
Please bear in mind that I am not an electrical engineer so my
knowlege is somewhat limited. Now my question.
I presume that storing high voltage at low current is more efficien... Read More
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Tips? [3 articles]
Boswell - 20:31 10-05-08
I have plans to assmble a SIMPLE Date-'clock' Basic parts being;
CLOCK CHIP,
DISPLAY DRVR,
LED,
LIGHT-CONVER. (power source).
Any reccommendations or Tips,... Read More
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does Cyrus amp need a load? [5 articles]
tempus fugit - 17:53 10-05-08
Hey all;
My brother has a Cyrus amp that he would like to use a wireless headphone
set with. Trouble is, there's no headphone jack, so I was going to rig
something up where he... Read More
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money making website [3 articles]
mic - 14:27 09-05-08
Google AdSense is an ad serving program run by Google. Website owners
can enroll in this program to enable text, image and, more recently,
video advertisements on their sites. Th... Read More
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money making website
joy junior - 06:53 09-05-08
Google AdSense is an ad serving program run by Google. Website owners
can enroll in this program to enable text, image and, more recently,
video advertisements on their sites. Th... Read More
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