Please turn JavaScript on
Find more feeds

Electronics Forum (Circuits, Projects and Microcontrollers)

Want to stay in touch with the latest updates from Electronics Forum (Circuits, Projects and Microcontrollers)? That's easy! Just subscribe clicking the Follow button below, choose topics or keywords for filtering if you want to, and we send the news to your inbox, to your phone via push notifications or we put them on your personal page here on follow.it.

Reading your RSS feed has never been easier!

Website title: Electronics Forum (Circuits, Projects and Microcontrollers)

Is this your feed? Claim it!

Publisher:  Unclaimed!
Message frequency:  1.78 / day

Message History

extracting transmission line property from S21 phase and amplitude
Hello ,As you can see in the plots below we have phase and amplitude.
the dielectric constant is 4.1mm.
How can we extract the dielectric constant given the S21 and we know that the length of the line is 50mm?
Thanks.



Read full story
Quartz movement IC testing
Hi everyone!

I have removed IC from the broken quartz watch to test if it's ok.
I soldered to the test board, but I am not sure about where exactly power goes in.


Pins are:
1 = Ground -
2 = Empty
3/4 = Oscillator
5 = ?
6/7 = Coil
8 = Empty

I am not sure if pin 3 or pin 5 is the battery +.
Pin 5 line is bolted to th...

Read full story
Southbend control board not retaining temperature calibration
Working on a Southbend oven with this control board https://www.allpointsfps.com/46-1259-control-board/
Board powers up and oven starts heating, but I’m running into an issue where the temperature calibration won’t hold after power cycling. I can set it, everything w...

Read full story
s-parameter mathematical theory for crosstalk analysis
Hello , power sum Next is defined as shown below by the attached article.
is there some mathematical expression for these terms?
1.MDNEXT(multi distributed NEXT)
2.Normalized MDNEXT.

Read full story
220v to 5v
Hi all ,
I am new to this forum and I’d like to say hello and also ask a question.
My friends steel lathe has an issue with the switching power supply.
It’s primary input is 220v AC and it’s secondary output is 5v DC
There are 4 cables on the primary input side and 5 cables on the secondary output side which includes an earth .
It’s an ancer emi+dc5v and I’m...

Read full story