Reference timing devices such as resonators and oscillators are used in electronic motors control circuits to provide stable reference clocks. These timing devices have historically been based on quartz crystal technology – previously the only viable option. However, in recent years, silicon MEMS (micro-electro mechanical systems) timing devices have begun to rapidly replace quartz-based devices because they offer higher reliability and robustness against shock and vibration, better frequency stability over high temperature, programmable features, and very short lead-times.
Electronic motors are used in a wide variety of applications and are often subject to environmental stressors including very high temperatures and high levels of noise, vibration, or shock. For reliable operation, the reference timing devices must be extremely resilient. Silicon MEMS resonators are inherently more robust than quartz due to their design, smaller mass, and ultra-clean manufacturing process. Additionally, sophisticated analog design technology in the oscillator IC adds to the resiliency and performance of MEMS oscillators.