Inside the NUVISTOR! Making a 555 Timer with Nuvistors!

This video is very cool.  When I saw them crack open a NUVISTOR, I should have known that this was Eric from CuriousMarc.  And it is!  

Here is the YouTube channel: https://www.youtube.com/@TubeTimeUS

And here is my video about the NUVISTORS in my 2 meter receive convertor: 

https://soldersmoke.blogspot.com/2026/07/my-parks-2-meter-nuvistor-converter-qst.html

Thanks Eric!