The influence of vibrations on time reference signals generated using quartz crystals

Andrei Drumea; Alina Marcu; Ioan Plotog

doi:10.1117/12.2245988

14 December 2016 The influence of vibrations on time reference signals generated using quartz crystals

Andrei Drumea, Alina Marcu, Ioan Plotog

Proceedings Volume 10010, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII; 100101B (2016) https://doi.org/10.1117/12.2245988
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies 2016, 2016, Constanta, Romania

Abstract

32.768 kHz low frequency crystals are found in a large part of today’s embedded systems that use microcontrollers especially in battery supplied applications which need low power consumption^1]. Their main role is to offer a stable time reference. There are situations in which time measurement is needed when the system works in a mechanically unstable environment (cars, industrial equipment). The paper presents the studies done on the behavior of 32.768 kHz quartz crystals that are part of embedded systems which operate in a vibrating environment, in terms of period and long-time jitter of the generated time reference signal. The investigations of this effect were done using a test bench especially designed for this purpose which can measure the presented parameters determined by controlled mechanical stimulus (waveform, amplitude and frequency of the vibrations).

Citation Download Citation

Andrei Drumea, Alina Marcu, and Ioan Plotog "The influence of vibrations on time reference signals generated using quartz crystals", Proc. SPIE 10010, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII, 100101B (14 December 2016); https://doi.org/10.1117/12.2245988

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