Electronics Design

CORONAVIRUS PIECE BY PIECE - Biologists are working at breakneck speed to solve the structures of key SARS-CoV-2 proteins

More background. Open access. . Nature | Vol 581 | 21 May 2020 Feature Joe Gwinn

5 comments posted 6yrs

posted by joegwinn

5 comments posted 6yrs posted by joegwinn

Any tricks to winding high ratio, high impedance RF transformers

I just wound what I thought would be a 350? to 23k? AM BCB transformer. I put a 23k?n the secondary and the primary mea...

41 comments posted 6yrs

posted by nojunk

41 comments posted 6yrs posted by nojunk

OT: New Yorker article with relevance to the Covid-19 pandemic

From the 11th May 2020 copy of the New Yorker https://www.newyorker.com/magazine/2020/05/11/why-werent-we-ready-for-the...

4 comments posted 6yrs

posted by bill.sloman

4 comments posted 6yrs posted by bill.sloman

Re: OT: First astronauts by a private company, at 3:22PM ET *USA*

>Too bad our politically correct federal government wont do it. > >If you hate America... Do not wait, hoping for failu...

45 comments posted 6yrs

posted by jlarkin

45 comments posted 6yrs posted by jlarkin

LT Spice resistor vs time

Is there a way to run a transient response and have a resistor value be a function of time? I tried setting a resistor...

14 comments posted 6yrs

posted by jlarkin

14 comments posted 6yrs posted by jlarkin

Monkeys steal coronavirus blood samples in India

The monkeys are getting drunk on it. https://www.reuters.com/article/us-health-coronavirus-india-monkey/monkeys-steal-co...

0 comments posted 6yrs

posted by bloggs.fredbloggs.fred

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

US Looks to Block Chinese Grad Students? and Resea rchers? Visas

Long overdue: On Tuesday (May 26), Secretary of State Mike Pompeo and Trump talked about plans to cancel visas for Chin...

39 comments posted 6yrs

posted by bloggs.fredbloggs.fred

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

Microstrips operated in differential mode question

Could some electronics guru here please clarify the following: For two tightly coupled parallel microstrips, with singl...

23 comments posted 6yrs

posted by dakupoto

23 comments posted 6yrs posted by dakupoto

Free trial account for Android tv Box ,why there is someboby think its a scam

Android TV Box based on English, it is the smoothest IPTV BOX flow. In addi tion, with the support of free applications...

1 comments posted 6yrs

posted by iptvsuperbox51

1 comments posted 6yrs posted by iptvsuperbox51

LTspice is a difficult tool to make useful

I can't believe the difficulties I have sometimes with this tool. So much of it is counter intuitive and even dysfuncti...

38 comments posted 6yrs

posted by gnuarm.deletethisbit

38 comments posted 6yrs posted by gnuarm.deletethisbit

6V battery substitute

A friend inherited a small dirt bike. It has a quite deceased 6V battery. It's got a coil and points, not a magneto. So...

4 comments posted 6yrs

posted by wb8foz

4 comments posted 6yrs posted by wb8foz

OT:Cell entry mechanisms of Covid-19

Todays's Proceedings of the (US) National Academy of Sciences includes one decidedly interesting paper. https://www.pna...

0 comments posted 6yrs

posted by bill.sloman

0 comments posted 6yrs posted by bill.sloman

OT: New Evidence Supports the Bio-Weapon theory

Let's see how the Chinese explain *this* away... https://tinyurl.com/ya5jls85

59 comments posted 6yrs

posted by cd

59 comments posted 6yrs posted by cd

Ackerman Agreement Current Limiter

There seems to be some interest in the LED current limiter I needed for a r ecent design. There is another current limi...

31 comments posted 6yrs

posted by gnuarm.deletethisbit

31 comments posted 6yrs posted by gnuarm.deletethisbit

RF board layout

Hello, Experts I would like to ask for your opinion on following issue in RF PCB layout. I am dealing with a layout of...

10 comments posted 6yrs

posted by pavelmargulis

10 comments posted 6yrs posted by pavelmargulis