Electronics Design

Floating Point Divide

I am looking for an algorithm to calculate a floating point divide for an F PGA. I don't think I need help with the det...

4 comments posted 5yrs

posted by gnuarm.deletethisbit

4 comments posted 5yrs posted by gnuarm.deletethisbit

Broadband filter matching design

I have a 3rd order differential, passive low-pass filter prototype I'd like to wideband-match into a load. Source imped...

4 comments posted 5yrs

posted by user

4 comments posted 5yrs posted by user

Re: OT: The Deep State defined

>A Chinese Communist Party chronic liar... Bill has many hallmarks of a psychopath and I reckon he is one. You see him...

13 comments posted 5yrs

posted by cd

13 comments posted 5yrs posted by cd

Fixed Point Arithmetic is a PITA!

I was working on doing various calculations in fixed point math, but the so urces provide equations that are intended t...

13 comments posted 5yrs

posted by gnuarm.deletethisbit

13 comments posted 5yrs posted by gnuarm.deletethisbit

another Chinese stackup

https://www.dropbox.com/s/z2g2e503xjn7b8u/Z496_Chinese_Stack.jpg?raw=1 Some people don't read fab notes. They use whate...

21 comments posted 5yrs

posted by jlarkin

21 comments posted 5yrs posted by jlarkin

Passive reflectionless filters

I came across the book "Reflectionless filters" by Matthew Morgan recently. He describes a number of passive LCR reflec...

18 comments posted 5yrs

posted by jeroen

18 comments posted 5yrs posted by jeroen

who know the ?XGODY?? how's feel?

who know the ?XGODY?? how's feel? don't seach it, just tell me YES or NO

2 comments posted 5yrs

posted by guanxuli1219

2 comments posted 5yrs posted by guanxuli1219

charging the bootstrap cap

Lots of half-bridge and full-bridge mosfet gate drivers use a bootstrap capacitor to make the necessary gate drive for...

9 comments posted 5yrs

posted by jlarkin

9 comments posted 5yrs posted by jlarkin

Interesting domestic LED design circuitry

A design giving extra long-life, but unavailable outside of Dubai:

43 comments posted 5yrs

posted by jmlayman

43 comments posted 5yrs posted by jmlayman

2 Capitol Police officers suspended and at least 10 more under investigation for alleged roles in riot

Capitol police just let them walk right in there because the "insurrectionists" were their kind of people. Looks like t...

9 comments posted 5yrs

posted by bloggs.fredbloggs.fred

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

Looking for oscure Hirose 68-way connector NX30H-68P

It is used on the external end of PCMCIA cards https://peter-ftp.co.uk/screenshots/202101125610383308.jpg The PCMCIA bu...

10 comments posted 5yrs

posted by nospam

10 comments posted 5yrs posted by nospam

Re: CE product ratings.

> rating. > > I'm looking at a heater with only a CE rating, but have concerns about > the safety of it. Be aware that...

36 comments posted 5yrs

posted by '''newspam'''

36 comments posted 5yrs posted by '''newspam'''

PC-104

Pondering adding a PC-104 or similar size unit to a project. I need VGA, USB or PS/2 KB/mouse, SATA port or onboard sma...

14 comments posted 5yrs

posted by wb8foz

14 comments posted 5yrs posted by wb8foz

analog sim of FPGA control loop

https://www.dropbox.com/s/egpgpbbul3x2zzu/P902B_Norm_2.asc?dl=0 Our new class-D amp will output a zillion amps if short...

28 comments posted 5yrs

posted by jlarkin

28 comments posted 5yrs posted by jlarkin

Fan cooling design

Hi, all, Had a bit of good news last week--Wiley wants to include the Thermal Control chapter in my third edition. It g...

38 comments posted 5yrs

posted by pcdhSpamMeSenseless

38 comments posted 5yrs posted by pcdhSpamMeSenseless