Electronics Design

Battery problems

Does anyone *know* what cause(s) of recent/historical battery fires (in EVs, particularly)? I assume it is not related...

27 comments posted 4yrs

posted by blockedofcourse

27 comments posted 4yrs posted by blockedofcourse

remote sense supply

We're designing a biggish dual power supply, and the customer wants remote sense. We'd add a small D9 connector or some...

50 comments posted 4yrs

posted by jlarkin

50 comments posted 4yrs posted by jlarkin

Tracking N-path filter

If I have an adjustable-frequency stepped sine wave can I use a tracking switched-cap filter to band-pass the low-frequ...

14 comments posted 4yrs

posted by user

14 comments posted 4yrs posted by user

First rubber flexible graphene transistor now available

https://en.wikipedia.org/wiki/April_Fools'_Day

0 comments posted 4yrs

posted by pNaonStpealmtje

0 comments posted 4yrs posted by pNaonStpealmtje

Time-Domain Reflectometry: debugging 2.7 GHz oscillations and Murata ferrite beads

So I've been wringing out a new APD front end. It's a 500-MHz TIA with a pHEMT bootstrap, and wants to oscillate at 2.7...

11 comments posted 4yrs

posted by pcdhSpamMeSenseless

11 comments posted 4yrs posted by pcdhSpamMeSenseless

Line transients

From time to time, we seem to experience a power "glitch", once a day, at roughly the same time -- usually ~3AM. (but,...

30 comments posted 4yrs

posted by blockedofcourse

30 comments posted 4yrs posted by blockedofcourse

cloud computing

https://www.dropbox.com/s/l4xrk9930xepg9w/Cloud_Computing.jpg?raw=1 The big one is SalesForce Tower, over 1000 ft high...

20 comments posted 4yrs

posted by jlarkin

20 comments posted 4yrs posted by jlarkin

Inline Electric Timer Switch

This post has two parts, maybe two solutions to one problem. The problem is lots of electric surges that fry various el...

47 comments posted 4yrs

posted by gnuarm.deletethisbit

47 comments posted 4yrs posted by gnuarm.deletethisbit

Component shortages

I just build stuff for use in my home. Even so, I'm frustrated at the number of times I see "Available for back order" o...

16 comments posted 4yrs

posted by sylvia

16 comments posted 4yrs posted by sylvia

Crappy CDIL datasheet

Here is an interesting part for my application, especially because its very low C_in: https://www.tme.eu/Document/901ed...

9 comments posted 4yrs

posted by bombald

9 comments posted 4yrs posted by bombald

Digital transistor?

https://www.farnell.com/datasheets/2353855.pdf I bought a few of these. I don't know what is intended by "digital trans...

13 comments posted 4yrs

posted by sylvia

13 comments posted 4yrs posted by sylvia

does this make sense?

https://www.signalintegrityjournal.com/articles/2460-what-to-expect-in-a-multi-drop-bus

6 comments posted 4yrs

posted by jlarkin

6 comments posted 4yrs posted by jlarkin

Re: innocence. This problem nobody prepared you for

> I don’t specifically remember my father' s radio installation in our old house but he wired the whole house so you co...

3 comments posted 4yrs

posted by whit3rd

3 comments posted 4yrs posted by whit3rd

OT: Simplest cell

I've just got the March 7 2022 New Yorker. https://www.newyorker.com/magazine/2022/03/07/a-journey-to-the-center-of-our...

24 comments posted 4yrs

posted by bill.sloman

24 comments posted 4yrs posted by bill.sloman

board spin

We've hired a new PCB designer but the engineers are still doing their own PCB layout until he starts. I'm revising one...

12 comments posted 4yrs

posted by jlarkin

12 comments posted 4yrs posted by jlarkin