Electronics Design

  1. Home
  2. Electronics Design
43716 Threads Posts
to

Surge Current Turning On a PMPB13UP

In my circuit the PMPB13UP is a high side switch for a 1.33K resistor on a 5V circuit drawing some 3.7 mA when on. Obse...
9 comments posted 6yrs
posted by gnuarm.deletethisbit
9 comments posted 6yrs posted by gnuarm.deletethisbit

DG8SAQ PCB

Have you seen any other pictures of the DG8SAQ Test Fixture. I'm trying to get a measurement of it and the picture is ti...
0 comments posted 6yrs
posted by nojunk
0 comments posted 6yrs posted by nojunk

Inductor polarity?

Why would a surface mount inductor have polarity markings? I know there are polarity markings on transformers, but a sin...
25 comments posted 6yrs
posted by Sophi.2
25 comments posted 6yrs posted by Sophi.2

This is How Covid attacks the body

This guy knows what he is talking about.
1 comments posted 6yrs
posted by DecadentLinuxUserNumeroUno
1 comments posted 6yrs posted by DecadentLinuxUserNumeroUno

Spread-spectrum thing

If I have say two square waves, each 180 degrees out of phase. Say during period A I advance one slightly ahead in phas...
20 comments posted 6yrs
posted by user
20 comments posted 6yrs posted by user

Water has memory.

Maybe water can be used as memory of the future, google it and see if you c an find what I am writing about :P At least...
17 comments posted 6yrs
posted by skybuck2000
17 comments posted 6yrs posted by skybuck2000

TDR Logic, mental lapse

Several years ago I laid out a wire on the ground, I wanted to know the impedance of the wire. (sometimes called Surge...
54 comments posted 6yrs
posted by nojunk
54 comments posted 6yrs posted by nojunk

Mystery Part

Can anyone identify this part - this board (from the PTO controller on a 20 year old tractor) once had two of them but...
36 comments posted 6yrs
posted by mk
36 comments posted 6yrs posted by mk

Victory In Europe Day 2020

Rugged simplicity makes for a very long lived and reliable design. WW2 Air Raid Sirens Still Saving Lives Today https://...
0 comments posted 6yrs
posted by bloggs.fredbloggs.fred
0 comments posted 6yrs posted by bloggs.fredbloggs.fred

Electroporation

Electroporation, or electropermeabilization, is a microbiology technique in which an electrical field is applied to cel...
30 comments posted 6yrs
posted by bloggs.fredbloggs.fred
30 comments posted 6yrs posted by bloggs.fredbloggs.fred

crazy nonsense

https://engineering.stanford.edu/magazine/article/how-we-might-recharge-electric-car-it-drives -- John Larkin Highland T...
36 comments posted 6yrs
posted by jlarkin
36 comments posted 6yrs posted by jlarkin

yikes

We have people working at home, but some wretched soul has to come in to work and support them. Me. I finally got the l...
38 comments posted 6yrs
posted by jlarkin
38 comments posted 6yrs posted by jlarkin