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There are 542611 individual articles here that are part of 31816 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

pick-and-place


August 29, 2014, 7:30 pm

In our previous episode, The Brat was dragging 8000 pound pallets of pick-and-place machine around with her Jeep. https://dl.dropboxusercontent.com/u/53724080/Gear/PnP/Jeep_1.JPG Well, we finally ... Read more »

High frequency counterparts of 2N2222A, 2N2907A


August 29, 2014, 3:13 am

Could some electronics guru please help ? I am trying out some SPICE simulations, and would like to know high frequency (e.g., 500 - 600 MHz) counterparts of the popular 2N2222A and 2N2907A (N... Read more »

Weird EMC circuit


August 28, 2014, 6:46 pm

I'm doing some EMC work right now, and created something weird. Has anyone seen it before? Description: Suppose you have a shielded cable being terminated to a header. So, you tie the shield ... Read more »

energy savings

  [ 2 3 ]
August 28, 2014, 6:28 pm

http://www.telegraph.co.uk/news/worldnews/europe/eu/11061538/EU-to-ban-high-energy-hair-dryers-smartphones-and-kettles.html Seems to me that a higher-power kettle will use less energy to bring a vo... Read more »

Sound card problem


August 27, 2014, 8:14 am

I want to process the signals of five electret condenser microphones with raspberry pi and i since the RPI has no audio inputs im thinking of using a sound card. Im looking for a sound card with fiv... Read more »

Current mode control


August 27, 2014, 2:26 am

Current mode control is the fastest control method for switching mode power supply since it has to feedback loops. Read more: http://www.cirvirlab.com/index.php/switching-mode-power-supply/152-curre... Read more »

High Voltage PCB Design


August 26, 2014, 3:49 pm

Hi I have an application with a TG150 rated PCB board We are running mains voltage of 480Vac on two adjecent layers on the PCB with 1mm distance between the layers However, I would like to know wh... Read more »

OT: Big Brother IS Watching.

  [ 2 3 ]
August 26, 2014, 12:44 pm

Big Brother IS Watching... Made a cash ( Read more »

Best Oscilloscope for $3k

  [ 2 3 ]
August 26, 2014, 12:21 pm

Dear Group, I can finally afford a new oscilloscope to supplement my trusty TEK 465M. My budget is around $3k. I like the newer Agilent scopes, which I have used when someone else was payi... Read more »

SPICE deep yogurt..

  [ 2 ]
August 25, 2014, 11:11 pm

Well, according to the help document, there should be a Draw on the top selection bar; NOPE! So i have no idea as to draw a new part and label it. Therefore i hope i have an invisible LM... Read more »

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The best rated discussions

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5

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 »

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5

propagation velocity experiment


This would involve CK722 transistors, slotline samplers, and pecan pralines [1]. Unit of measure would be kiloseconds. Let's see what happens. John [1] The crunchy kind, of course. Only Yankee touris... Read more »

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5

LT Spice schmitt oscillator

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Does anybody have a working LT Spice netlist for a simple schmitt inverter/R-C oscillator? I tried one using the library schmitt inverter and get obscure sim errors, and I don't understand the HELP ... Read more »

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5

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 »

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DSP Device for Guitar Pedal Effect

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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 »

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micropower boost circuit

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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 »

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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 »

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C programming question for Arduino

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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 »

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Soldering iron tips

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I've done my fair share of soldering, but never SMT. This video: http://www.youtube.com/watch?v=lauw0bSe-Cw&feature=related ....is a good indicator of what's involved. The problem is, where do you... Read more »

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5

PSPICE, Demo version, Model editor won't "Export to Capture Library&qu...


Hello, I've been playing with Orcad PSPICE (DEMO version) this past week. I'm trying to make a model of an inductor which saturates with current. I'm planning on using the LBREAK part and feed ... Read more »