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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

OT: New Evidence Supports the Bio-Weapon theory

  [ 2 ]
May 26, 2020, 12:28 am

Let's see how the Chinese explain *this* away... https://tinyurl.com/ya5jls85 Read more »

Ackerman Agreement Current Limiter

May 25, 2020, 9:10 pm

There seems to be some interest in the LED current limiter I needed for a r ecent design. There is another current limiter to charge the supercap that powers the LED and sounder. I thought I'd p... Read more »

RF board layout

May 25, 2020, 4:42 pm

Hello, Experts I would like to ask for your opinion on following issue in RF PCB layout. I am dealing with a layout of RF PCB. There are different components in the schematic, all are in SMT pack... Read more »

5G turns on and immediately a new childhood disease!

May 25, 2020, 4:11 pm

5G activated a new child disease ! Google it ! https://www.ad.nl/binnenland/ook-in-nederland-allen-van-mis-nieuwe-kinder sickness~acdea8cc/?referrer=https://www.google.com/ https://www.vodafonezig... Read more »

Near disaster with PCB design

May 25, 2020, 10:32 am

Today the PCB design component of my old CAD program CircuitMaker 2000 crashed as it occasionally does in Window 7 (it never did in '98, Me & XP). I terminated the program with Task Manager but ... Read more »

Spam Phone Numbers

May 25, 2020, 6:19 am

Like a lot of people, I use email addresses to catch the spam. I have a Ya hoo address for web sites where I don't care if I ever hear from them after getting past a sign up page. When it is a n... Read more »

Rise time measurment

May 24, 2020, 4:36 pm

Greetings, gentlemen, I'm using my 350Mhz Tek analog scope (model 2465A for the benefit of Jeff L.) to measure the rise time of a pulse generator which is claimed to be able to achieve 40ps. The... Read more »

DAC1209 error; charge injection?

May 24, 2020, 1:17 pm

Anyone seen this before? Seems like I'm getting a huge spike (relatively speaking -- about 3 LSB) when flipping bit 11 (going from >= 0x800 to Read more »

RCA 18538A: Searching for data sheet

  [ 2 ]
May 24, 2020, 11:20 am

Dear experts, The two power semiconductors RCA 18538A which are used in an electronic ballast are blown. Unfortunately I haven't been able to find any data for those parts; therefore I even don... Read more »

Flux density

May 24, 2020, 4:47 am

Reviewing stuff I forgot during lockdown, this is one thing I never got. H is amp-turns/meter, and having distance in the denominator suggests that it is also a measure of flux density (but withou... 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 »