Electronics Design - Main Page

Do you have a question? Post it now! No Registration Necessary

Electronics Design - Design your own electronics! You are not alone.
Web, RSS and Social Media interface to sci.electronics.design
There are 605006 individual articles here that are part of 34207 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

Pinout for PCI-express through hole connector?

February 9, 2016, 6:06 am

https://www.flickr.com/photos/27532210@N04/ That's the backside of a PCI-Express x16 connector. Anybody know where to find a pinout for that configuration? I need to know where 12v, ground, and... Read more »

OT: Government Regulation is Good for Business!

February 8, 2016, 6:11 pm

It is easy to see how good for business government regulation is. Just look at how gun sales go up every time there is a mass shooting in this country or when Obama even mentions gun control. J... Read more »

LTSpice Simulation Hanging

February 8, 2016, 5:24 pm

LTSpice files not included because -- it's files, not file. So, I have a fairly complicated circuit in LTSpice. I'm playing some tricks on an LT3757A -- basically I need an externally settable vo... Read more »

great oceanic garbage patch

  [ 2 ]
February 8, 2016, 11:56 am

http://www.usatoday.com/story/news/nation/2016/02/08/anthem-cruise-ship-storm/79997114/ Scroll through the pix. Technology ain't what is used to be. -- John Larkin Highland Technology, I... Read more »

New battery

February 8, 2016, 10:58 am

I've got a fleet of 'scopes, one of the friskier vessels being a Yokogawa 150MHz digital 'scope, DL1540. Decent 'scope, 4-channels, FFT, GPIB (which I don't use), saves waveforms in .BMP on floppy... Read more »

IGBT versus FET

February 8, 2016, 1:43 am

Say same current and power rating..which is best, and why? Read more »

bacon & egg pizza

February 7, 2016, 9:56 pm

https://dl.dropboxusercontent.com/u/53724080/Food/Pizza.JPG -- John Larkin Highland Technology, Inc lunatic fringe electronics Read more »

OT: More Win7 Crap

February 7, 2016, 2:02 pm

More Win7 Crap... Every time you open Windows Explorer, then close it, leaves a process running.... and they just keep piling up, another copy for each open and close :-( ... Read more »

LTSpice multicore usage

February 7, 2016, 1:09 pm

Does anyone have experience in how effectively LTSpice leverages multicore processors? Is it also architecture/processor specific? In the setup for a sim I can select how many cores I wish to devo... Read more »

How to reduce server power supply fan noise?

  [ 2 ]
February 7, 2016, 10:55 am

See the bottom of this post for pictures. If you look closely, you can see the power supply fan wires in one of those pictures. I bought a legacy server with a 560 W power supply. It's dual fans ... Read more »

Click here for other recent discussions »

The best rated discussions


rechargeable batteries

Hello How can I charge a rechargeable battery in the lab, what's the 'reverse connection'? Read more »


DSP Device for Guitar Pedal Effect

  [ 2 3 ]

I was wondering what DSP chip would be appropriate for a guitar pedal effect. I need to sample the incoming signal preferably at 96kHz perform a simple numeric function upon each sample and output h... Read more »


Protection circuit to be used for a gate pulse of SCR

Hello, I am doing a project on a temperature control system.My controller has been designed in LabVIEW and I get a control signal of 0-5V output from DAQ which needs to be given as gate pulse to SCR.... Read more »


Rectifier Schottkies in parallel

  [ 2 ]

Hello, many Schottky rectifier diodes contain two diodes within a single package, usually with the cathodes connected. Does it make sense to connect the anodes too in order to get a diode which ca... Read more »


Visio logic symbols

  [ 2 ]

Does anyone know of a location from which to download simple logic symbol shapes for Visio (and gate, or gate, etc)? Read more »


is the hendershot generator ad a scam?

  [ 2 3 4 ]

is it a scam? Will it work in a residential home ? Read more »


STmicro acceleration/magnetic sensor LSM303DLH == LIS331DLH + HMC5834?

Just had a look at the LSM303DLH datasheet and had a déjà vu ;-) It looks like ST has simply put a LIS331DLH and a HMC5843 into one package. (The HMC lacks the built-in voltage regulator) All data ... Read more »


Re: Strange control problem -- SOLVED!!! -- 3 phase "firing system&quo...

Glen, I solved the mystery. (about the firing system tripping on overcurrent with small currents, on a 200A welder) Here's what it was all about: The current sensor (connected to DC shunt) was NOT, ... Read more »


micropower boost circuit

  [ 2 ]

I need a DC to DC boost circuit with an output defined not with respect to ground, but with respect to the input, which is variable. Output about 15 volts above the input, over a wide range -- f... Read more »


Re: floppy drive emulator hardware usb or sdcard

On Apr 16, 11:53 am, alfons de wolf en e NoLife ;-) One possibility is a virtual drive. One, create a virtual drive in memory. Two, make an image of your floppy disc contents on a flash drive... Read more »