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Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

Low cost ferrite

October 19, 2020, 11:02 pm

Hey As always, I am looking for saving cost (who isn't) I'm doing a new power design, and looking for cheap ferrite. Run of the mill, N87, PC95 etc, nothing fancy. In this case it's a planar design... Read more »

Re: OT: 3D printer infill for round spacers?

October 19, 2020, 4:21 pm

It doesn't really matter since the force is almost always down relative to the print. I almost always use the old rectilinear grid infill because it's fast and nearly as strong as others in the do... Read more »

OT. Dress Like a Dork Day is Today. United States

October 19, 2020, 11:47 am

I wanted to post this without any text but the dorks who Read more »

Which ferrite material for 3-30MHz balun?

  [ 2 ]
October 18, 2020, 10:33 pm

Attention, this is a non-political post, for a change :-) Getting back into ham radio after a decades-long hiatus I need to make a balun for 3-30MHz. Essentially just a glorified common-mode choke... Read more »

White Trash: The 400-Year Untold History of Class in America

October 18, 2020, 6:16 pm

A New York Times Bestseller, considered a work of academic scholarship. A ground-breaking history of the class system in America, which challenges popular myths about equality in the land of oppor... Read more »

OT: Carbon fiber reinforced foam

October 18, 2020, 4:06 pm

Could you build a re-inforced box-girder like structure out of rigid polystyrene foam by sandwiching it with carbon fiber tape + epoxy? Carbon-fiber plated foam core is filthy expensive, but raw p... Read more »

differential signal detector

October 17, 2020, 7:59 pm

I probably won't use this one, but it is pleasingly weird. Watch for line wrap on the BAT15 model. Version 4 SHEET 1 1724 680 WIRE -416 -352 -480 -352 WIRE -368 -352 -416 -352 WIRE -208 -352 -2... Read more »

faster PCB laminate

October 16, 2020, 6:21 pm

We normally make boards from FR4, specifically the Isola 370HR or equivalent. It's usually fine but is lossy for fast stuff, like 100 ps edges on long runs, long being maybe 1 inch. We've used tef... Read more »

OT: SL0W MAN wondered recently what laws Sleepy Joe broke

October 16, 2020, 4:09 am

Well, it turns out there is a BIG ONE that Sleepy Joe violated with the inf luence-peddling he clearly was involved with his corrupt son, Hunter BooBoo An employee shall not use his public office f... Read more »

One cycle 50/60Hz RMS Calculation

  [ 2 ]
October 16, 2020, 3:00 am

My question is based on this paper: http://www.eletrica.ufpr.br/edu/artigos /CIL22-012_final_gerson.pdf They claim to calculate RMS with non-integer number of samples to improve a ccuracy over hal... Read more »

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The best rated discussions


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 ar... Read more »


LT Spice schmitt oscillator

  [ 2 ]

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 »


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 »


How to isolate 5V and 12V circuit

Hello everyone, I have extend existing circuit design by adding a 12V relay to it. AT the moment both 5V and 12V circuit are side by side. This doesn't work well. Intermitent device failure happen. I... 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 »


Tek TDS 744A -> TDS 784A upgrade hack!

Hi, all, Just wanted to report success in upgrading my TDS 744A scope (500 MHz, 2 gigasamples) to a much swoopier TDS 784A (1 GHz, 4 gigasamples). It now identifies itself as a TDS 784A everywh... Read more »


EPE TENS circuit.

Would anyone have a circuit for the EPE TENS machine ?. Cheers .... jk 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 »


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 »