Radio Controlled Clock

[Radio Fixer]

Thanks for the interesting replies. Looked up the TRF radio chip and lots here:
https://www.cool386.com/zn414/zn414.html

Still seems remarkable to do logic on 1V. Used a lot of Cmos over the years with a normal supply on 5V.

Our clock did come accurate within a few hours and so is a 'keeper'

Gary

Gary