Title

Dual-Mode Sc-Cut Resonator Hysteresis And Aging Study

Abstract

This paper presents recent measurements and theoretical predictions for dual-mode quartz 20 MHz, third overtone, SC-cut resonators. Fabricated lots of such resonators have f-T hysteresis below 50 parts per billion (ppb), with the best resonators demonstrating only a few ppb over the entire temperature range. Process and fabrication control have shown to be critical elements in reducing both hysteresis and mounting stress. Aging rates have also been measured, and the effects of absolute and mode-to-mode differential aging have been modeled. When both modes age at the same rate, no change in the thermometric frequency is predicted. However, the predictions show thermometric errors versus temperature for differential aging rates. These lead to both a "tilt" and an offset in the temperature sensing error versus temperature. © 2005 IEEE.

Publication Date

1-1-2005

Publication Title

Proceedings of the IEEE International Frequency Control Symposium and Exposition

Volume

2005

Number of Pages

788-792

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/FREQ.2005.1574035

Socpus ID

33846616917 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/33846616917

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