Electronics Design

Supply filters

I'm doing a miniaturized PMT replacement product that has to fit a pHEMT-bootstrapped front end, low noise PGA, variabl...

18 comments posted 6yrs

posted by pcdhSpamMeSenseless

18 comments posted 6yrs posted by pcdhSpamMeSenseless

Bored? Google Glomar Explorer

I'm stuck at home and getting bored. I thought if we can keep this thread going it might be fun. I am ex navy so the Gl...

1 comments posted 6yrs

posted by powersupplyguy

1 comments posted 6yrs posted by powersupplyguy

3904 (again)

A client came to me with a battery design that isn't meeting lifetime spec. The unit is a small transmitter to track pe...

11 comments posted 6yrs

posted by powersupplyguy

11 comments posted 6yrs posted by powersupplyguy

faston connector spacing

Our RIS-796 250-amp LED current pulser has been operated up to 1100A by Rob Legg, and is well suited to make shaped cur...

2 comments posted 6yrs

posted by winfieldhill

2 comments posted 6yrs posted by winfieldhill

Nope, No One at the Helm

Today Gov Cuomo said they have about 4,000 ventilators and have 7,000 more ordered. But they are going to need 30,000 m...

26 comments posted 6yrs

posted by gnuarm.deletethisbit

26 comments posted 6yrs posted by gnuarm.deletethisbit

Latency Graph

The CDC publishes data on the new infections each day tracked by the day th e person was originally infected. I didn't...

13 comments posted 6yrs

posted by gnuarm.deletethisbit

13 comments posted 6yrs posted by gnuarm.deletethisbit

OT: Almost Made a Mistake

I would have sold all my Tesla stock in February when it reached 900. I so ld some earlier at 500 and then some at 900,...

2 comments posted 6yrs

posted by gnuarm.deletethisbit

2 comments posted 6yrs posted by gnuarm.deletethisbit

OT Hoover biography

On some thread there was discussion of Hoover. I'm reading this nice review of a biography. https://slatestarcodex.com/2...

0 comments posted 6yrs

posted by ggherold

0 comments posted 6yrs posted by ggherold

Protest Irony

Trump seems hell bent on minimizing damage to the economy rather than damag e to the population of the US. He is spouti...

7 comments posted 6yrs

posted by gnuarm.deletethisbit

7 comments posted 6yrs posted by gnuarm.deletethisbit

orcad pspice complains about simulation server

"failed to connect to the pspice simulation server" I can't even view it. This is before I try to simulate. I limit mys...

3 comments posted 6yrs

posted by coulon

3 comments posted 6yrs posted by coulon

good books for lockdown reading

I just finished Night Witches by Bruce Myles, which was pretty good. Mo doesn't usually like my kind of books, but I th...

51 comments posted 6yrs

posted by jlarkin

51 comments posted 6yrs posted by jlarkin

One of my favorite critters

These guys are stranger than I previously thought.

8 comments posted 6yrs

posted by DecadentLinuxUserNumeroUno

8 comments posted 6yrs posted by DecadentLinuxUserNumeroUno

US COVID-19 Infections Back on Track

Saturday we had a bit of good news in that the new infection rate was lower than Friday. But Sunday's rate was back clo...

7 comments posted 6yrs

posted by gnuarm.deletethisbit

7 comments posted 6yrs posted by gnuarm.deletethisbit

Weird Al Coronaching Coronaching

Thought I would give yankovivh style a shot. Very strange song... Very electric! Oddly hardly any lyrics changes even n...

0 comments posted 6yrs

posted by DecadentLinuxUserNumeroUno

0 comments posted 6yrs posted by DecadentLinuxUserNumeroUno

Death By SARS-CoV ARDS Is NOT Pretty

Description by a frontline worker: https://www.propublica.org/article/a-medical-worker-describes--terrifying-lung-failur...

0 comments posted 6yrs

posted by bloggs.fredbloggs.fred

0 comments posted 6yrs posted by bloggs.fredbloggs.fred