Electronics Design

interesting transformers

https://www.mouser.com/ProductDetail/Bourns/PLN048-ED21A12S?qs=amGC7iS6iy98aQ6xtiKjiA%3D%3D Leakage inductances are craz...

7 comments posted 3yrs

posted by jlarkin

7 comments posted 3yrs posted by jlarkin

MOSFET Needed

I am looking for an inexpensive P-Channel enhancement node SOT-23 case MOSFET that will suit my design. See http://sili...

2 comments posted 3yrs

posted by rhor...

2 comments posted 3yrs posted by rhor...

OT. Construction Cost

Wanna buy a bridge? Well, the Brooklyn Bridge cost $300 million to build. This article discusses how slow we are in the...

3 comments posted 3yrs

posted by deanh6929

3 comments posted 3yrs posted by deanh6929

multi-sourced uP

Does anyone know of a multi-sourced uP, ever? Most everything is nrnd or eol or unavailable this year, so one has to tr...

24 comments posted 3yrs

posted by jlarkin

24 comments posted 3yrs posted by jlarkin

Go To Circuits

Gentlemen, Over the years, I have found that there is one circuit fragment above all others that I go back to repeatedl...

11 comments posted 3yrs

posted by cd

11 comments posted 3yrs posted by cd

Why "Commander K" keep repeating posts?

Didn't he promise to block me and other Google group users?

3 comments posted 3yrs

posted by edward.ming.lee

3 comments posted 3yrs posted by edward.ming.lee

Low Pass Filtering in Op Amps

Trying to use a differential op amp with low pass filtering in the inverting configuration has always seemed limited. I...

2 comments posted 3yrs

posted by gnuarm.deletethisbit

2 comments posted 3yrs posted by gnuarm.deletethisbit

Why don't inductive spikes get through a transformer?

Consider a simple power supply / wall wart. Mains voltage in, 12V out. When you switch it off at the mains, while the l...

9 comments posted 3yrs

posted by CK1

9 comments posted 3yrs posted by CK1

Larkin Street

This is suitably weird. https://www.dropbox.com/s/okuw8p9r39we3e9/Larkin_Street.jpg?raw=1

7 comments posted 3yrs

posted by jlarkin

7 comments posted 3yrs posted by jlarkin

All the nice FM radio ICs are gone, sniff sniff

All of them, just in the last year or so. SA604A/SA614A was a fave, although not as nice as the late lamented MC13155....

5 comments posted 3yrs

posted by pcdhSpamMeSenseless

5 comments posted 3yrs posted by pcdhSpamMeSenseless

LTSpice UI

Is there anyone here who thinks LTspice has a good UI? I've been working with it for a week or so, after not using for...

52 comments posted 3yrs

posted by gnuarm.deletethisbit

52 comments posted 3yrs posted by gnuarm.deletethisbit

Re: Third year 'flu season'

Flu Season? Fatality comparison to past events in the U.S.A. Updated Mar01 to include a third year trend or 'season'. h...

1 comments posted 3yrs

posted by legg

1 comments posted 3yrs posted by legg

Anyone with semiconductor bandstructure calculation experience ?

All you electronics gurus here, anyone with band structure calculation experience ? I have written a set of C and Pytho...

6 comments posted 3yrs

posted by dakupoto

6 comments posted 3yrs posted by dakupoto

Capacitor rules

Hi folks I'm really new with electronics. Doing a massive project for a retro computer system and, as a prong of this p...

4 comments posted 3yrs

posted by me

4 comments posted 3yrs posted by me

BJT E-B zener

Where would I go to look for information about using the E-B connection of a 2N3904 as a zener? It has much better leak...

16 comments posted 3yrs

posted by neo5...

16 comments posted 3yrs posted by neo5...