Electronics Design

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Just bought this spectrum analyzer 4.4GHz

Hi I am doing some EMC testing, and need something for my homelab that can go higher that my current equipment So being...
19 comments posted 5yrs
posted by klauskvik
19 comments posted 5yrs posted by klauskvik

OT: Better litium batteries

The most recent Proceedings of the (US) National Academy of Sciences has another paper on the using the right electroly...
2 comments posted 5yrs
posted by bill.sloman
2 comments posted 5yrs posted by bill.sloman

Arecibo shutdown

Arecibo has reached EOL. -- Science teaches us to trust. - sw
82 comments posted 5yrs
posted by spam
82 comments posted 5yrs posted by spam

Which N Or P Power MOSFETs ?

Many know I set out to build a really good amp. Well after all that I found it can't work. The drawing was on the bench...
125 comments posted 5yrs
posted by jurb6006
125 comments posted 5yrs posted by jurb6006

Delta-Sigma in FPGA Limitations

I've been messing with this for a bit and the ultimate limitation seems to me to not be the digital noise in the FPGA,...
6 comments posted 5yrs
posted by gnuarm.deletethisbit
6 comments posted 5yrs posted by gnuarm.deletethisbit

Boss Laser

My production people plan to buy a Boss laser to blast artwork onto anodized boxes, to avoid buying polycarb labels. Th...
3 comments posted 5yrs
posted by jlarkin
3 comments posted 5yrs posted by jlarkin

AD8045 mystery

Hi, all. So I have this SiPM/MPPC front end. It has pop options to use either an On Semi MicroFC-10010 1-mm SiPM chip o...
54 comments posted 5yrs
posted by pcdhSpamMeSenseless
54 comments posted 5yrs posted by pcdhSpamMeSenseless

Lithium battery charger / power switch IC

I've done a few designs recently that are powered from a single 3.7V lithium cell which is recharged from USB. The desi...
4 comments posted 5yrs
posted by davejordan118
4 comments posted 5yrs posted by davejordan118

Ultrasonic Deer/Badger device

It's here ( sorry it's the UK amazon) https://www.amazon.co.uk/Ultrasonic-Car-Animal-Warning-Whistles/dp/B00OZMVYHW/ref...
14 comments posted 5yrs
posted by kraken.sankey
14 comments posted 5yrs posted by kraken.sankey

OT: Here Come the Fireworks...

THIS could be HUGE: https://tinyurl.com/y5hra8to ... and decisive!
18 comments posted 5yrs
posted by cd
18 comments posted 5yrs posted by cd

An In-Circuit Serial Programmer application

This project shows how to implement an In-Circuit Serial Programmer application. It utilizes the ICSP's 5 VDC (Vdd) pin...
0 comments posted 5yrs
posted by g
0 comments posted 5yrs posted by g

anti-foldback current limiter

I've finished up the PCB design of my new class-D power amp, so now the kids have to change the FPGA and ARM code to ma...
2 comments posted 5yrs
posted by jlarkin
2 comments posted 5yrs posted by jlarkin

AP Calls Biden Winner Of 2020 Presidential Election

This is their guiding policy: https://www.ap.org/en-us/topics/politics/elections/how-we-call-races This is how they cou...
0 comments posted 5yrs
posted by bloggs.fredbloggs.fred
0 comments posted 5yrs posted by bloggs.fredbloggs.fred

Pluggeable chiplets

Here is an idea for next generation threadripper chips: Make the cores/chips that make up the theadripper CPU pluggeabl...
1 comments posted 5yrs
posted by skybuck2000
1 comments posted 5yrs posted by skybuck2000