Electronics Design

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economy of scale

Walmart sells a head mount mini-light, $1. Low power, but useful. Powered by two 2032 batteries. Those are sold in a tw...
3 comments posted 3yrs
posted by r_delaney2001
3 comments posted 3yrs posted by r_delaney2001

What diode to use for a primary side rcd clamp?

Specifically the LNK616 flyback regulator. They have 1N4007 in their dataheets/appnotes. But the 1N4007s trrs are all o...
3 comments posted 3yrs
posted by klammerj
3 comments posted 3yrs posted by klammerj

Hardware Based IP Protection

A customer wants me to redesign a board to eliminate the production bottlenecks. They also want all IP so they can make...
39 comments posted 3yrs
posted by gnuarm.deletethisbit
39 comments posted 3yrs posted by gnuarm.deletethisbit

optical distance measurement

Anyone familiar with the optical device for measuring distance that is similar to a dual telescope. You look at an obje...
14 comments posted 3yrs
posted by ht
14 comments posted 3yrs posted by ht

"High-end Audio"

"Based in Berlin, Germany, HiFi TUNiNG has spent an incredible amount of time and money to ensure you can get 100% out...
47 comments posted 3yrs
posted by cd
47 comments posted 3yrs posted by cd

Best thermal paste tests

Best thermal paste tests: https://www.tomshardware.com/best-picks/best-thermal-paste
8 comments posted 3yrs
posted by pNaonStpealmtje
8 comments posted 3yrs posted by pNaonStpealmtje

Suitable substitute for a DSC 5D-13 Thermister

(Sorry for the On-Topic post, I'll try not to do it again!) I haven't been able to figure out a suitable substitute for...
9 comments posted 3yrs
posted by spam
9 comments posted 3yrs posted by spam

a trip down I-5 shows

What a mess! Wonder what is causing the failures? Sounds like it may be more with connection issues than the hardware....
32 comments posted 3yrs
posted by bloggs.fredbloggs.fred
32 comments posted 3yrs posted by bloggs.fredbloggs.fred

CATV distribution

What are the challenges regarding distribution of CATV signals in large, multi-unit sites? E.g., running "Cable" to ever...
17 comments posted 3yrs
posted by blockedofcourse
17 comments posted 3yrs posted by blockedofcourse

need really bad diode

I want lots of voltage drop at 100 mA or so. A high voltage fast-recovery diode, like ES1G, might work. I suppose I cou...
21 comments posted 3yrs
posted by jlarkin
21 comments posted 3yrs posted by jlarkin

split personality inductor

https://www.coilcraft.com/en-us/search/?q=pfd2015#/ They show the same part as six different things, with multiple data...
2 comments posted 3yrs
posted by jlarkin
2 comments posted 3yrs posted by jlarkin

dflop weirdness

LT Spice, Dflop: I can set VHIGH = 5 and that works. But if I add TRISE = 500p then VHIGH reverts to 1 volt. And incide...
3 comments posted 3yrs
posted by jlarkin
3 comments posted 3yrs posted by jlarkin

Newark and Firefox

Anyone using Firefox or any other non-Google Chrome browser to manage purchasing from Newark? I recently made a purchas...
7 comments posted 3yrs
posted by legg
7 comments posted 3yrs posted by legg