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There are 539295 individual articles here that are part of 31678 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

Missing resistor value


July 29, 2014, 3:03 pm

I wanted to thank you guys for helping. I really do appreciate it!!! Maybe when i get out of school and have more knowledge then I do now, I can return the favor!! LOL Read more »

New Spice Model Posted


July 29, 2014, 1:47 pm

Just posted to the Device Models & Subcircuits page of my website... ApexMP118FD.zip Apex Microtechnology's (www.apexanalog.com/) low quiescent, high power dissipation operational a... Read more »

shunt current source ramp


July 29, 2014, 12:35 pm

This was suggested by part of Jim's VoltageIndicator_NoHang.pdf circuit. Cute, possibly even useful somewhere. Version 4 SHEET 1 880 680 WIRE 96 -192 -176 -192 WIRE 96 -112 96 -192 WIRE -176 -9... Read more »

high voltage inductors


July 29, 2014, 11:37 am

I asked Coilcraft if they had any high-voltage inductors and they said that they don't rate their inductors for voltage breakdown. I was hoping to string together a few surface-mount parts. Web se... Read more »

Missing Resistor Value!


July 28, 2014, 10:07 pm

Hello everyone. I am an electronics student, and I am having trouble with o ne the problems in my text. The problem is a simple circuit with a 6V suppl y voltage, and two resistors in series. One r... Read more »

Glass fuse with pigtails?


July 28, 2014, 5:34 am

Hi, I've got a couple of pieces of rescued kit that need new fuses. These are PCB mounted but not in typical holders. Rather, they just have pigtails attached directly to the fuse and soldered i... Read more »

Lead acid battery desulfination?

  [ 2 3 ]
July 27, 2014, 2:17 pm

Been trying to 'desulfinate' a 13Ah lead acid battery now for a few weeks. The method I used is to run 200 mA at 16V into a 12V battery. The battery had only 1/10 of capacity, now it has 1/8. Tak... Read more »

Notice to Robert Baer


July 26, 2014, 2:42 pm

It is very easy to filter out spam. However it is not easy to filter out your feeding the trolls and thus giving them a podium. Please stop. ...Jim Tho... Read more »

Anyone here use a pressure cooker to cook Rice?


July 26, 2014, 2:07 pm

I'm married to an Asian and familiar with at least 7 families that cook rice almost daily, not one of them uses a pressure cooker to cook rice. Are Mohammad Alotaibi, 20, and Ayoub Alawadhi, 21 ju... Read more »

OT: Bluetooth Question


July 25, 2014, 6:13 pm

My laptop has no built-in Bluetooth capability. I've been pondering... could I add a Bluetooth dongle and then use the laptop as a speakerphone (linked to my cellphone)? ... Read more »

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The best rated discussions

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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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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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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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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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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 »