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There are 549563 individual articles here that are part of 32030 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

Isn't This a First ????

October 23, 2014, 12:34 pm

Who pays another business to take a subdivision off your hands??? And $1.5B at that? http://www.usatoday.com/story/tech/2014/10/20/ibm-globalfoundries/17597597/ GlobalFoundries is arab owned. Read more »

Metal-Semiconductor contacts.

October 23, 2014, 12:18 pm

Hi All, I'm headed back to the CNF (http://www.cnf.cornell.edu/) shortly. It's a user clean room facility for semiconductor processing. My goal is to make some very simple samples. I'll take ... Read more »

Canada Won't Be Intimidated

October 23, 2014, 10:01 am

...says Harper. Riiiiight- except when a lunatic with a crummy hand loaded shotgun is roaming their building, then everyone runs for cover, barricadin g themselves in chambers by throwing thousand... Read more »

Gilbert transconductance cell ( how does it work?)

October 23, 2014, 2:41 am

Anybody know how this thing works? It seems to simulate ok but I'm unclear how 2 frequencies produce a difference frequency.with a gain of 30dB or more across the LC .The signal input is 640KHz ... Read more »

Almost All Digital Electronics L/C Meter IIB

October 23, 2014, 2:40 am

On semi-rare occasions,when i am measuring capacitors,the meter will say Not a capacitor and re-zeroing does not help. What is going on? Dew it need fixing? Read more »

USB shield at device.

October 22, 2014, 11:32 pm

What to do with the USB cable shield at the device end? a) Leave it unconnected? b) Connect it directly to signal ground? c) Connect to signal ground via some impedance? Of those, (a) seems to be... Read more »

Job Application

October 22, 2014, 8:34 pm

There was a discussion recently on finding qualified job applicants. Here's one that applied at McDonalds and they hired him for his honesty. You don't see that very often: Read more »

homeland security

October 22, 2014, 4:33 pm

http://www.washingtontimes.com/news/2014/oct/22/homeland-security-raids-kansas-city-boutique-over-/ -- John Larkin Highland Technology, Inc picosecond timing precision measurement jla... Read more »

Thermal Imagers for PCB testing

October 22, 2014, 3:01 pm

Designing power electronics requires thermal testing and I would like to purchase a hand held thermal Imager in the Read more »

Millions Down the Drain to Free Religious Nutcase....

October 22, 2014, 2:39 pm

http://www.bbc.com/news/world-us-canada-29728504 A street department employee no less- Read more »

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The best rated discussions


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 »


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 »


Secure PIC programming

Hi We have customers using PICs who sometimes need to re-program them with updated firmware. It's inconvenient to have to ship the equipment back to a service centre, and most customers are quite... Read more »


Making piezo louder

David, Making an effective piezo drive circuit is about 10% of the work. The resonant cavity design and mounting technique of the piezo is the other 90%. You need to know how the piezo will vibrate... Read more »


is the hendershot generator ad a scam?

  [ 2 3 ]

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


C programming question for Arduino

  [ 2 ]

I'm wanting to make timers that work like PLC timers, a condition comes true, a preset period of time later code is executed. It would be something like: void mytimer(bool enable, long preset) void ... 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 »


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 »


rechargeable batteries

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