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Quartz Resonator Based, 0.12 μW, 32768 Hz Oscillator with ±100 ppm Frequency Accuracy

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Author(s): Oleg Nizhnik | Kohei Higuchi | Kazusuke Maenaka

Journal: Journal of Low Power Electronics and Applications
ISSN 2079-9268

Volume: 1;
Issue: 2;
Start page: 327;
Date: 2011;
Original page

Keywords: low-power design | crystal oscillator | real-time clock | quartz resonator | RTC

ABSTRACT
A 0.12 μW power dissipation quartz oscillator with 32,768 Hz frequency was designed and fabricated. Stability of the oscillator versus power supply and temperature variations was measured. The design is suitable for the role of the RTC (real-time clock) or main system clock in low-power, battery-powered and energy harvesting systems.
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