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Recent Blogs on Electronics-Related

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


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


Efficiency Through the Looking-Glass
posted by Jason Sachs


How to Estimate Encoder Velocity Without Making Stupid Mistakes: Part II (Tracking Loops and PLLs)
posted by Jason Sachs


Another 10 Circuit Components You Should Know
posted by Jason Sachs


Short Takes (EE Shanty): What shall we do with a zero-ohm resistor?
posted by Jason Sachs


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.Design


Sci.Electronics.Design is a worldwide Usenet news group that is used to discuss various aspects of Electronic Circuit Design.

There are 13215 threads in our archives.

You are looking at page 1 of 1322.

The threads with the newest articles are listed first.

Help. My Fourier Transform prog gives crazy results. [28 replies]

Posted by Dave Rove - 19 minutes ago

I'm learning the fourier transform but I'm confused by a problem. As an exercise, I've created a Python program to model the effect of a low pass RC filter on a digital waveform. The prog creates...Help. My Fourier Transform prog gives crazy results.

Appliance failures - relays [50 replies]

Started by Unknown 44 minutes ago

I was at the appliance repair shop the other day and saw heaps of repair orders piled on the front counter--electronic motherboards of various kinds. I asked the tech what usually failed. I expec...Appliance failures - relays

Low voltage shunt regulator [69 replies]

Started by Robert Baer 1 hour ago

Please refer to Fig 5,Pg 2, TI datasheet LM431. What i need is a 2-terminal shunt regulator where the TOTAL current (resistor dividers + active device) is 20uA. Voltage (extended) stand...Low voltage shunt regulator

Formatting Corrupted WD HDD [15 replies]

Posted by David King - 3 hours ago

Please excuse me for restarting this thread, but the other was quite long and there has been a slight delay from my side due to personal circumstances. I have done as Jan suggested, which is to...Formatting Corrupted WD HDD

fast high-voltage diodes [17 replies]

Posted by John Larkin - 4 hours ago

It's interesting that nearly all "fast recovery" HV diodes spec Trr at 50 ns. That goes for single-junction 1KV diodes and higher-voltage stacks. And the 50 ns is either specified as t...fast high-voltage diodes

Free MultiSim [19 replies]

Started by Neon John 5 hours ago

Just visited the Mouser website and found this http://www.mouser.com/multisimblue/ Looks like the world of free EDA tools is getting interesting. I wonder when Newark will include simulation i...Free MultiSim

Biasing Op Amp for GND to Minus Rail Operation [8 replies]

Posted by Robert Cordell - 5 hours ago

Could someone please tell me the correct way to operate this circuit from a 0V (GND) to minus 12V supply? https://app.box.com/s/29xe576c96kiq74aqfws It works fine between 0V to positive 12V...Biasing Op Amp for GND to Minus Rail Operation

climate humor [70 replies]

Started by John Larkin 6 hours ago

http://phys.org/news/2014-08-global-temperature-conundrum-cooling-climate.html "We have been building models and there are now robust contradictions," says Liu, a professor in the UW...climate humor

Securing TE to the bench? [82 replies]

Posted by DaveC - 6 hours ago

What's a straightforward method for attaching equipment to the bench so it won't "walk" off? (This is my desire, so let's not discuss why or why not please.) I have 3/16 steel cable a...Securing TE to the bench?

ADI buys Hittite [5 replies]

Posted by John Larkin - 6 hours ago

http://www.analog.com/en/content/Analog-Devices-Welcomes-Hittite-Microwave-Corp/fca.html Sounds like a lot of money to me. I guess they want to get into compound semiconductors and really fast...ADI buys Hittite

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