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Vig, J.R. (2012) Thermometric Beat Frequency Generation. In: Quartz Crystal Resonators and Oscillators for Frequency Control and Timing Applications. A Tutorial, US Army, Communications Electronics Research Development & Engineering Center (CERDEC), Fort Monmouth, 65-71.
http://www.ieee-uffc.org/frequency_control/teaching/vig/vig3.ppt-2012-05-14

has been cited by the following article:

• TITLE: Simultaneous Multimode Oscillation of Stress-Compensated Cut Quartz Resonator with Narrow-Band Wide Variable-Range Quartz Crystal Oscillator

  AUTHORS: Tomio Sato, Tetsuya Akitsu

  KEYWORDS: Temperature Sensing, Piezoelectric Sensor, Dual-Mode Quartz Crystal Resonance, Stress-Compensated Cut (SC-Cut)

  JOURNAL NAME: Engineering, Vol.6 No.13, December 26, 2014

  ABSTRACT: A multimode-quartz-crystal oscillator was developed to excite stable dual-mode resonance at different frequencies: The oscillation of the 3rd harmonic resonance of the principle C-mode and an additional resonance B-mode of SC-cut crystal. Harmonic combinations of the 3rd and fundamental mode of B-mode with the 3rd harmonics of C-mode are demonstrated. The measurement of the temperature dependence of the oscillation frequency is demonstrated along with the stability determined by root Allan variance. Dependence on the open conductance of the active circuit and the dependence on the coupling capacitors are discussed.