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Sci.Electronics.Basics


Sci.Electronics.Basics is a worldwide Usenet news group that is used to discuss basic electronics questions.

There are 4775 threads in our archives.

You are looking at page 8 of 478.

The threads with the newest articles are listed first.

Epson Perfection Scanner Problem [12 articles]

JD - 2010-07-05 12:52:00
Hi Experts :-) I have an Epson 1640SU that worked very well until today. Now, when I press the start button, it click-clicks and the carriage does not move. I removed the screws and tried t...Epson Perfection Scanner Problem

Can A Band Pass Filter Speed Up Lock In Amplification? [15 articles]

Bret Cahill - 2010-07-05 12:35:00
Is prefiltering or filtering before the phase sensitive detection step of lock in a common practice? If the signal frequency is in a fairly narrow band, say one octave, can a band pass filter spe...Can A Band Pass Filter Speed Up Lock In Amplification?

Are all the fundamental forces nothing but simple PHASE differences?

fitz - 2010-07-04 11:12:00
Are all the fundamental forces nothing but simple PHASE differences? "in phase attract" Type those three words - above - into Google (Include quote marks) to learn not only the basics of electr...Are all the fundamental forces nothing but simple PHASE differences?

Connector naming convention [9 articles]

pawihte - 2010-07-03 15:52:00
What is a general term for a connector - any connector in common use, male or female - that's fitted at the end of a cable, to distinguish it from one that's mounted on a box or a pcb? ...Connector naming convention

Micro controller and printer [5 articles]

Kari Laine - 2010-06-30 17:32:00
Hi, how people have connected a printer to micro controller? On my quest to learn PICs (mostly the 32-bit). I have only used included basic in the BV513 to learn how to connect external circui...Micro controller and printer

Dimmer circuit vs solid state relay ? [10 articles]

mowhoong - 2010-06-30 11:51:00
I used a dimmer circuit to control my heater 1600 W instead of a solid stste relay as both use a equal 25A triac as a on and off switch. The triac of the dimmer circuit become very hot which is unex...Dimmer circuit vs solid state relay ?

Newbie question, please... [8 articles]

Dan Beck - 2010-06-29 19:18:00
Hello all, a related issue came up in the pinball newsgroup I read regularly... Suppose you have an AC electric motor that spins at 100 rpm when supplied with a 110 VAC, 60 Hz electricity sour...Newbie question, please...

ringing inductor in boost circuit [9 articles]

Michael Robinson - 2010-06-28 19:07:00
I breadboarded a little voltage booster. Here's the business end of the circuit: +5v | ,------------+ | | | | ...ringing inductor in boost circuit

4mA current regulator [33 articles]

panfilero - 2010-06-28 17:57:00
can anyone offer any suggestions on how to make a simple 4mA current regulator... I started looking at LM317 voltage regulators, but found that they're gonna output a minimum of 10mA... I'm now look...4mA current regulator

Anyone Know where I can get a 5" usb floppy drive? [8 articles]

W. eWatson - 2010-06-28 13:24:00
See subject? ...Anyone Know where I can get a 5
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