Electromechanical Relay Nixie tube clock 1950’s cold war replica part 6

Enclosure design and assembly and installation of electronic components
This clock is basically tribute / inspired by HP model 571B mechanical clock and late 50, early 60 HP frequency meters, generators and other gear.


Rubidium master clock – ultimate CD tranport clock?

Right now I’m gambling with idea to build ultimate CD transport build on Philips CD Pro2 transport. One of the first things is change original 8.4672 MHz crystal oscillator. Rubidium master clock is used in ultra stable application such as GPS satelite modules, labolatory clock or GSM cells. Operational temperature is 50C. input about 50W…