Electronics Design

"excruciating economic pain"

https://thehill.com/opinion/finance/557743-deutsche-bank-issues-dire-economic-warning-for-america If people keep splatt...

58 comments posted 5yrs

posted by jlarkin

58 comments posted 5yrs posted by jlarkin

d don’t know

It's not nearly as exciting as the public would like. But it's starting to look like the lab leak idea goes in the same...

15 comments posted 5yrs

posted by bloggs.fredbloggs.fred

15 comments posted 5yrs posted by bloggs.fredbloggs.fred

U.S. to blow $250B on innovation and competition thrust

I'm sure they put quite a lot of thought into that nice round quarter of a trillion dollar figure. Here's the part that...

3 comments posted 5yrs

posted by bloggs.fredbloggs.fred

3 comments posted 5yrs posted by bloggs.fredbloggs.fred

48v isolated dc/dc converter

This will have to work at up to 200 watts maybe; 48 in and out. Those surface-mount Coilcraft planar transformers are w...

1 comments posted 5yrs

posted by jlarkin

1 comments posted 5yrs posted by jlarkin

Modbus

We have an issue with Modbus over RS-485 where the controlled pump seems to be insisting on us padding each command wit...

5 comments posted 5yrs

posted by wb8foz

5 comments posted 5yrs posted by wb8foz

rch community

Sounds like another government corruption scandal in the making. https://www.nature.com/articles/d41586-021-01546-2 All...

54 comments posted 5yrs

posted by bloggs.fredbloggs.fred

54 comments posted 5yrs posted by bloggs.fredbloggs.fred

Amplify handheld meter buzzer sound level.

We have a meter that measures RF field strength. It has a threshold setting that beeps a buzzer when the peek field str...

6 comments posted 5yrs

posted by dmcousin2000

6 comments posted 5yrs posted by dmcousin2000

Tsutomu Yamaguchi Survived Both Explosions at Hiroshima and Nagasaki 1945

"A resident of Nagasaki, Yamaguchi was in Hiroshima on business for his employer Mitsubishi Heavy Industries when the c...

0 comments posted 5yrs

posted by bloggs.fredbloggs.fred

0 comments posted 5yrs posted by bloggs.fredbloggs.fred

Excellent SMD Rework Station

Here's an excellent rework station for your bench. 500 Watt, digital temperature control, fast heating, variable blower...

18 comments posted 5yrs

posted by spamme

18 comments posted 5yrs posted by spamme

Recovering one irregular signal in the presence of another stronger one--_in utero_ pulse ox

(I posted this in comp.dsp a couple of weeks ago, but most of the actual DSP people seem to have disappeared, so the di...

51 comments posted 5yrs

posted by pcdhSpamMeSenseless

51 comments posted 5yrs posted by pcdhSpamMeSenseless

fried VME modules

One of our customers returned a bunch of fried VME waveform generators http://www.highlandtechnology.com/DSS/V375DS.sht...

180 comments posted 5yrs

posted by jlarkin

180 comments posted 5yrs posted by jlarkin

Re: mitigation vs suppression strategy Covid19

> > > On Sun, 22 Mar 2020 15:38:52 -0700 (PDT), > > snipped-for-privacy@gmail.com wrote: > > >There're only a few thing...

1 comments posted 5yrs

posted by whit3rd

1 comments posted 5yrs posted by whit3rd

FM radio design resources

Looking to build a sensible FM radio transmit/receive pair, designed for short range (10s of meters) and excellent audi...

92 comments posted 5yrs

posted by harry.dudleybestow

92 comments posted 5yrs posted by harry.dudleybestow

heat sink on a PC board

Suppose I have a bunch of PC boards in a chassis, vertical and parallel, about 3" x 12" each, maybe 1.25 inch centers....

21 comments posted 5yrs

posted by jlarkin

21 comments posted 5yrs posted by jlarkin

Tinned leads and tin whiskers

Manufacturers tell that their components have tinned leads or even pure tin coating. I wonder is it really so, and what...

2 comments posted 5yrs

posted by sala.nimi

2 comments posted 5yrs posted by sala.nimi