Ups and downs

A project log for Hacking a FE-5680B rubidium reference clock

Sold as "1pps only", this affordable eBay find is a playground for reverse-engineering, with a few useful laboratory applications.

Yann Guidon / YGDESYann Guidon / YGDES 05/05/2016 at 21:390 Comments

The block fried.

I've left it alone after the lock, to write the previous log and then returned to the workshop where a smell of burned resistor worried me. The current was bumped to 2.6A, 2A more than normal.

Then, this happened.