Electronics Design

New and improved 127dB down at 2kHz, 1kHz sinewave oscillator.

The new and improved version with fewer components is 127dB down at 2kHz and lower than that elsewhere. Bill is invited...

0 comments posted 1yr

posted by invalid

0 comments posted 1yr posted by invalid

1kHz 130dB distortion sinewave oscillator.

Approaching 130dB now. Any suggestions for improvement? It wouldn't be hard to add another four rectifier phases but th...

27 comments posted 1yr

posted by invalid

27 comments posted 1yr posted by invalid

Question about Oxley RFI suppression filters FLTM/P/5000

I have put some on an amplifier box for my + and 5 V supplies. But yet a ripple on either supply signically contaminate...

9 comments posted 1yr

posted by coulon

9 comments posted 1yr posted by coulon

cool power supply

https://www.digikey.com/en/products/detail/mean-well-usa-inc/MPM-05-12/7707293 We can put two of these on our PCB for r...

10 comments posted 1yr

posted by jl

10 comments posted 1yr posted by jl

Re: Buy land and ice on Mars

> > Nothing will ever be colonized with rockets > > www.asps.it/korolevtorta.jpg > > https://www.propulsion-revolution....

8 comments posted 1yr

posted by jeroen

8 comments posted 1yr posted by jeroen

Buy land and ice on Mars

Nothing will ever be colonized with rockets www.asps.it/korolevtorta.jpg https://www.propulsion-revolution.com/ www.asps...

0 comments posted 1yr

posted by user2039

0 comments posted 1yr posted by user2039

Re: Miraculous button makes things work again.

On Sun, 26 Jan 2025 17:33:03 +0000, Cursitor Doom snipped-for-privacy@notformail.com wrote: >(...) >>Have you ever hear...

49 comments posted 1yr

posted by jeffl

49 comments posted 1yr posted by jeffl

Disgraceful!

Gentlemen, I never ceases to amaze me that for all I've learned about the theory side of electronics over the years, my...

17 comments posted 1yr

posted by cd

17 comments posted 1yr posted by cd

70s tech- rally nav computer

I designed this back in the late 70s .Third iteration, manual layout with tape... 8039 processor 2716 UV eprom. It's mi...

1 comments posted 1yr

posted by kraken.sankey

1 comments posted 1yr posted by kraken.sankey

70s tech- rally nav computer

I designed this back in the late 70s .Third iteration, manual layout with tape... 8039 processor 2716 UV eprom...

1 comments posted 1yr

posted by kraken.sankey

1 comments posted 1yr posted by kraken.sankey

Need access to Quantum ATK (synopsys tool)

Does anybody have a copy of a Synopsys tool Quantum ATK I will greatly appreciate it

0 comments posted 1yr

posted by cevichealpastor

0 comments posted 1yr posted by cevichealpastor

Sinewave oscillator without gain control.

Before you can make a 1kHz sinewave oscillator with constant output level and better than 120dB harmonic distortion you...

14 comments posted 1yr

posted by invalid

14 comments posted 1yr posted by invalid

Continuously variable gain amplifier for a low distortion 1kHz Wein bridge sine wave generator.

We've been messing about using a FET as a variable resistor to try to control the amplitude of a 1kHz Wein bridge sine...

5 comments posted 1yr

posted by bill.sloman

5 comments posted 1yr posted by bill.sloman

like butta

Simon and I are working on a TDR based soil moisture sensor for agriculture. Like many such things, it uses two paralle...

15 comments posted 1yr

posted by pcdhSpamMeSenseless

15 comments posted 1yr posted by pcdhSpamMeSenseless

probe slip poster

https://www.dropbox.com/scl/fi/trdug87h0w498h94znv3x/Probe_Slips.jpg?rlkey=r5a22cx09twhsn9edq4c6es6f&raw=1

7 comments posted 1yr

posted by jl

7 comments posted 1yr posted by jl