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There are 732269 individual articles here that are part of 39776 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

PSU capacitor choice


April 5, 2020, 12:39 pm

Greetings, gentlemen, I'm attaching a scan of the rectifier board from an HP8547A network analyser. I'm just wondering how the designer(s) arrived at the choice of value for the caps across the ... Read more »

Favourite parts with off-label uses?


April 5, 2020, 12:49 am

Following up on blocher's sterling work,(*) Many of us use parts off-label, often very successfully. A few examples: SAV-551+ pHEMTs make very good wideband bootstraps. Their f_max is around 12 GHz... Read more »

OT: How we're preparing for COVID-19 over here


April 4, 2020, 7:17 pm

A little background first: Over here means a state the size of Israel in eastern India, sandwiched between Bangladesh and Burma (Myanmar) with a population of 1.7 million. We have little in com... Read more »

Funny Pandemia behaviors and observations


April 4, 2020, 12:12 am

Laws regarding passing bicycle rider with your car have been in place and ignored for years. It took a deadly pandemic virus for the idiots to finally traverse past me MOVED THE FUCK OVER, like ... Read more »

Surveillance of Wastewater Could Reveal True Scale of Coronavirus Outbreak ...


April 3, 2020, 5:28 pm

Wastewater monitoring has been used for decades to assess the success of va ccination campaigns against poliovirus, says Charles Gerba, an environmenta l microbiologist at The University of Arizona... Read more »

two switcher circuits

  [ 2 ]
April 3, 2020, 2:34 pm

https://www.dropbox.com/s/keynlhs9ktzivyh/LTM8078_dual_neg_1.asc?dl=0 https://www.dropbox.com/s/htzvrbnd8qx3ooi/LTM8078_plus_minus_1.asc?dl=0 -- John Larkin Highland Technology, Inc Scie... Read more »

Giuliani Influences FDA Fast Approval Of Cell Therapy Trials To Fight COVID...


April 3, 2020, 1:33 pm

https://www.fiercebiotech.com/biotech/rudy-giuliani-backed-covid-19-therapy-from-celularity-nabs-fda-speedy-trial-start Check the other stories on main page. The industry is flaming. https://www.fi... Read more »

mSATA PCIe connector

  [ 2 ]
April 2, 2020, 9:23 pm

I'm thinking of using a standard mSATA / PCIe card-edge connector in a miniature pocket-sized project. Its small 30mm width, with 52-contacts at 0.8mm, is good. The typical 50 max-uses spec ... Read more »

OT: March 2020 hydroxychloroquine study


April 2, 2020, 9:14 pm

No significant effect vs. control group: Read more »

LT Spice alternate solver


April 2, 2020, 5:43 am

I have a sim that hangs up unless I use the alternate solver. Is there a directive I can put in my circuit to force that? Or is there only the persistant setting in the tools/control panel menu? I... Read more »

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The best rated discussions

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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 ar... Read more »

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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 »

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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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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 »

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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 »

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rechargeable batteries


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

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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 »

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EPE TENS circuit.


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

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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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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 »