Electronics Design

Simple front end circuit recommendation?

I?m looking for the simplest circuit that would achieve the followi ng please. SUPPLY: 18V DC, possibly from two PP3s....

15 comments posted 6yrs

posted by terrypingm

15 comments posted 6yrs posted by terrypingm

Mouser now stocks MiniCircuits parts

Including the magical SAV-551+ pHEMT. That's the good news. The bad news is the price is double what it is on minicircu...

14 comments posted 6yrs

posted by pcdhSpamMeSenseless

14 comments posted 6yrs posted by pcdhSpamMeSenseless

OT: Swine Flu

This seems relevant to current events. Be sure to check the mouseover. https://xkcd.com/574/ -- Rick C. - Get 1,000 mile...

4 comments posted 6yrs

posted by gnuarm.deletethisbit

4 comments posted 6yrs posted by gnuarm.deletethisbit

Engineering challenge regarding corona virus

Hey! Wake up and smell the contribution opportunity, boys and girls!

0 comments posted 6yrs

posted by DecadentLinuxUserNumeroUno

0 comments posted 6yrs posted by DecadentLinuxUserNumeroUno

England's Death Valley

Looking up the length of Great Britain, I discover that there's a place in Cambridgeshire called Holme Fen that is ten...

44 comments posted 6yrs

posted by pcdhSpamMeSenseless

44 comments posted 6yrs posted by pcdhSpamMeSenseless

Am I the only one that noticed?

The Johns Hopkins tracking site shows the "reported cases" "dots" in countries around the world as a single dot. Only t...

8 comments posted 6yrs

posted by DecadentLinuxUserNumeroUno

8 comments posted 6yrs posted by DecadentLinuxUserNumeroUno

Possible design helper

[Search domain upverter.com] https://upverter.com You want to go from idea to thing easier and faster and better than y...

1 comments posted 6yrs

posted by robertbaer

1 comments posted 6yrs posted by robertbaer

Current COVID-19 Infection rate by state

This table shows the infection rate (cases per million population) for the top 10 states, and the rate relative to NY....

18 comments posted 6yrs

posted by tomseim2g

18 comments posted 6yrs posted by tomseim2g

MIT-based team works on rapid deployment of open-source, low-cost ventilator

Intelligent, more capable and much better informed approach to an FDA approved working device: MIT-based team works on...

4 comments posted 6yrs

posted by bloggs.fredbloggs.fred

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

Military scientists, engineers develop ventilator prototype in response to COVID-19

2 comments posted 6yrs

posted by terrell.michael.a

2 comments posted 6yrs posted by terrell.michael.a

Hey, I want one of these in my van!

We did NOT have those drivers back in the '70s.

0 comments posted 6yrs

posted by DecadentLinuxUserNumeroUno

0 comments posted 6yrs posted by DecadentLinuxUserNumeroUno

Math and electrical desgin

A topic to elicit some thoughts.... How important is mathematics to you as an engineer? Do you consider yourse lf an ap...

140 comments posted 6yrs

posted by blocher

140 comments posted 6yrs posted by blocher

250A - 500A "analog" pulser, rev a2.3

I've finished a 3rd rev of my RIS-796A "analog" fast pulsed current source. This beast can be programmed with all kinds...

8 comments posted 6yrs

posted by winfieldhill

8 comments posted 6yrs posted by winfieldhill

1-wire forums

Seeking a forum where 1-Wire is the nexus. Anyone found such a venue? -- A host is a host from coast to snipped-for-pri...

4 comments posted 6yrs

posted by wb8foz

4 comments posted 6yrs posted by wb8foz

Dr William Haseltine MSNBC Interview

He really drops a bombshell on the pronounced incompetence ( think Sloman) of U.S. government executive management, rev...

15 comments posted 6yrs

posted by bloggs.fredbloggs.fred

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