Adventures with SiTime's MEMS-based Super-TXCOs – Super Accurate Clocks for the Future – Part 1 – EEJournal
Clocks are integral to most electronic systems. Timing and communications systems need extremely accurate clocks. When I started working with electronics, in the heyday of Citizen’s Band (CB) radio, quartz crystals were on sale everywhere, even at Radio Shack. The CB crystals congregated around 27 and 28 MHz, but many more frequencies were on offer.…
Source: eejournal.com