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Recent Blogs on Electronics-Related

Voltage Drops Are Falling on My Head: Operating Points, Linearization, Temperature Coefficients, and Thermal Runaway
posted by Jason Sachs


Optimizing Optoisolators, and Other Stories of Making Do With Less
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Someday We’ll Find It, The Kelvin Connection
posted by Jason Sachs


10 Items of Test Equipment You Should Know
posted by Jason Sachs


First-Order Systems: The Happy Family
posted by Jason Sachs


Lost Secrets of the H-Bridge, Part IV: DC Link Decoupling and Why Electrolytic Capacitors Are Not Enough
posted by Jason Sachs


April is Oscilloscope Month: In Which We Discover Agilent Offers Us a Happy Deal and a Sad Name
posted by Jason Sachs


March is Oscilloscope Month — and at Tim Scale!
posted by Jason Sachs


Specifying the Maximum Amplifier Noise When Driving an ADC
posted by Rick Lyons


BGA and QFP at Home 1 - A Practical Guide.
posted by Victor Yurkovsky


3 LEDs powered by fingers - puzzle
posted by Henryk Gasperowicz


Series circuit - 3 LEDs
posted by Henryk Gasperowicz


Video: The PN Junction. How Diodes Work?
posted by Stephane Boucher


Two jobs
posted by Stephane Boucher


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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 6315 threads in our archives.

You are looking at page 1 of 632.

The threads with the newest articles are listed first.

Relacement for SCR [16 replies]

Posted by Ron M. - 7 hours ago

Have immediate needs for SCR for a latching alarm circuit. Unable to source locally. Only RS and they don't have them. Would a triac act in the same way in a DC circuit? Please don't beat me up too mu...Relacement for SCR

Your favorite battery supplier or seller? [4 replies]

Posted by John Doe - 16 hours ago

I'm impressed by the number of clearly illegitimate battery deals on Amazon. Some of them are obviously too good to be true, even given Chinese dumping. Don't know if the problem is knockoffs, don...Your favorite battery supplier or seller?

OT: Wall Stud Locating [17 replies]

Posted by Jim Thompson - 1 day ago

See... I had been using the Magcraft magnets to locate wall studs, but they're nasty to get apart and hard to hold onto. Then I appropriated some magnetic "push pins" from my wi...OT:  Wall Stud Locating

Battery Selection [4 replies]

Posted by OldGuy - 1 day ago

I need to run my laptop for many hours and in a mobile state; i.e. no AC Power available not car available. I have a Enercel AC/12VDC to laptop power block cord. What is the best battery to us...Battery Selection

Heat shrink tubing gets longer when heated. [2 replies]

Posted by George Herold - 1 day ago

OK this is hardly an electronics question. Does anyone know the physics of heat shrink tubing. Why it only shrinks in one dimension and gets a little longer in the other. ...Heat shrink tubing gets longer when heated.

Weather [11 replies]

Posted by Jim Thompson - 1 day ago

It's rainy on and off here today, 55°F, birds chirping... almost Spring-like. That's why I moved straight to Arizona after I graduated from MIT in 1962... I hate cold ;-) ...Weather

Why dont they make a "Light Emitting TRIODE" [14 replies]

Started by Unknown 2 days ago

The LED ("Light Emitting DIODE") is common place now. In fact it seems like they went from being simple "power on" indicator lamps to the lighting of the future for darn near ev...Why dont they make a "Light Emitting TRIODE"

Partial-Fraction Expansion? [12 replies]

Posted by Jim Thompson - 2 days ago

Someone please refresh my memory... Isn't there some easy way to do a "partial-fraction expansion" of a transfer function in "S" (Heaviside version of Laplace) and generate an...Partial-Fraction Expansion?

Injection-Locked Oscillators [7 replies]

Posted by Jim Thompson - 3 days ago

Where can I find a good tutorial on Injection-Locked Oscillators? All I can find are application-specific papers, and I need just the basic concepts to wrap my head around. ...Injection-Locked Oscillators

Filter Design Software [5 replies]

Posted by Jim Thompson - 4 days ago

I need a filter with the following specs: Center frequency: 2MHz Nose Bandwidth (-3dB): 20kHz -60dB Bandwidth: 40kHz Cauer/Elliptic type would be fine Need: Pole locations, A+jB, Zero locat...Filter Design Software

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