Title :
Frequency-temperature and aging performance of microcomputer compensated crystal oscillators
Author :
Filler, R.L. ; Messina, J.A. ; Rosati, V.J.
Author_Institution :
US Army Electron. Technol. & Devices Lab., Fort Monmouth, NJ, USA
fDate :
31 May-2 Jun 1989
Abstract :
Evaluation of five samples of the microcomputer-compensated crystal oscillator built during a development program has verified the feasibility of achieving frequency vs. temperature stability of ±5×10-8, aging of 1×10-10/day, and hysteresis of no worse than ±3×10-8, with an input power of 45 mW. A simulated compensation was performed on several samples of each of two dual-mode oscillator designs. One design uses a lateral-field resonator and the other uses a conventional thickness-field resonator. The frequency could be compensated to better than ±2×10-8 for a -55°C to +85°C temperature range for both designs
Keywords :
ageing; compensation; crystal resonators; oscillators; stability; -55 to 85 degC; 45 mW; aging performance; dual-mode oscillator designs; frequency stability; hysteresis; lateral-field resonator; microcomputer compensated crystal oscillators; simulated compensation; temperature stability; thickness-field resonator; Aging; Circuits; Frequency; Laboratories; Microcomputers; Military computing; Oscillators; Temperature measurement; Temperature sensors; Testing;
Conference_Titel :
Frequency Control, 1989., Proceedings of the 43rd Annual Symposium on
Conference_Location :
Denver, CO
DOI :
10.1109/FREQ.1989.68855
