Electronics Design

modifiable backplane with sockets?

For a project, I was wanting to make some small electronic cards that slide into sockets on a backplane, and then wire...

17 comments posted 1yr

posted by christopher

17 comments posted 1yr posted by christopher

Re: "RESET"

On Sat, 24 May 2025 15:34:03 -0700, Don Y snipped-for-privacy@foo.>I don't quite understand the need for "reset" button...

29 comments posted 1yr

posted by jl

29 comments posted 1yr posted by jl

QSpice

Is anyone using QSpice yet and if so can they tell me why a simulation of this simple jfet astable looks different in Q...

1 comments posted 1yr

posted by invalid

1 comments posted 1yr posted by invalid

1KV buck converter

https://www.dropbox.com/scl/fi/f64mv46qk4g4nca00bgoe/1KV_Buck.jpg?rlkey=f0qnaliz7nyoowe6w4wx2gkua&raw=1

18 comments posted 1yr

posted by jl

18 comments posted 1yr posted by jl

Designs of voltage/current controlled resistance

Hi Friends! What approaches exist of creating voltage or current-controlled resistance? There is no some specific schem...

9 comments posted 1yr

posted by rodiongork

9 comments posted 1yr posted by rodiongork

Asymmetric Stripline / Microstrip online calculators for impedance and velocity

I can find numerous calculators that provide impedance for the above structures, but are there any that give propagation...

17 comments posted 1yr

posted by spam

17 comments posted 1yr posted by spam

Re:speaking of colors...

Hey dont post pictures. Cheers ----Android NewsGroup Reader---- https://piaohong.s3-us-west-2.amazonaws.com/usenet/index...

15 comments posted 1yr

posted by martin_riddle

15 comments posted 1yr posted by martin_riddle

LTSpice model for a SiC MOSFET

I'm looking at a problem where somebody wants to step down a 1kV low current source to 3.3V. The Baxandall class-D osci...

125 comments posted 1yr

posted by bill.sloman

125 comments posted 1yr posted by bill.sloman

Re: "Colorimeter"

> Not quite, but, close enough... > > How can I determine the spectrum of incident light on a sensor, > in general?  Th...

19 comments posted 1yr

posted by newspam'''

19 comments posted 1yr posted by newspam'''

little university lab

https://www.emrtc.nmt.edu/

1 comments posted 1yr

posted by jl

1 comments posted 1yr posted by jl

Re: Product packaging

>But, glossy smooth finishes are pretty boring (not everyone >is blind; a product should appeal to sighted users as wel...

4 comments posted 1yr

posted by liz

4 comments posted 1yr posted by liz

Re: (eMD+) Humbly: Walking by faith in love, Who is GOD the Holy Spirit, Who is the Oil of our Rapture Lamp, Who is the Blood of the Lamb, Who is the Living Water, Who washes away sin ...

> (eMD+) 05/11/25 Again, behold in wide-eyed wonder right now ... > > https://bit.ly/WDJW_RightNow> > or > > https://ww...

1 comments posted 1yr

posted by bill.sloman

1 comments posted 1yr posted by bill.sloman

The Spanish Grid Drop-out - recently released information.

One of my LinkedIn contacts - an IEEE contact in this case - posted some new data on LinkedIn, from a "Simon Gallagher,...

94 comments posted 1yr

posted by bill.sloman

94 comments posted 1yr posted by bill.sloman

Current consumption of LCD kitchen timer?

I'm interested to know the current drawn by a kitchen LCD digital timer. (1) How much current does the timer draw when...

39 comments posted 1yr

posted by pamela.private.mailbox

39 comments posted 1yr posted by pamela.private.mailbox

1kHz sinewave -153 dB

In case anyone is interested (and I know most people aren't but at least it's on topic) this circuit has the following...

0 comments posted 1yr

posted by invalid

0 comments posted 1yr posted by invalid