Quartz Resonator Based, 0.12 μW, 32768 Hz Oscillator with ±100 ppm Frequency Accuracy
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TLDR
In this paper, a 0.12 μW power dissipation quartz oscillator with 32,768 Hz frequency was designed and fabricated for low power, battery-powered and energy harvesting systems.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.read more
Citations
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Proceedings ArticleDOI
Thermal Stability of DETF MEMS Resonators: Numerical Modelling and Experimental Validation
Valentina Zega,Andrea Opreni,Giorgio Mussi,Hyun-Keun Kwon,Gabrielle D. Vukasin,Gabriele Gattere,Giacomo Langfelder,Attilio Frangi,Thomas W. Kenny +8 more
TL;DR: In this article, the design, fabrication and experimental validation of two MicroElectroMechanical Systems (MEMS) Double-Ended Tuning-Fork (DETF) resonators that exhibit an intrinsic sub-350 ppm thermal stability in the temperature range [5°C −85°C] are reported.
Journal ArticleDOI
Enhancing the accuracy of standard embedded RTC module with random synchronization events and dynamic calibration
I. Blazinsek,A. Chowdhury +1 more
TL;DR: This paper presents a three-step calibration method for improving the accuracy of the standard crystal oscillator, which is running the embedded RTC (real time clock) module in a standalone not networked sensor device.
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An improved low power crystal oscillator
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Proceedings Article
A 2.1 MHz Crystal Oscillator Time Base with a Current Consumption under 500 nA
TL;DR: In this paper, a micro-power circuit is encapsulated with a 2.1 MHz ZT-cut quartz in a vacuum package, and the oscillator core has two complementary active MOSFETs and amplitude stabilization.
Journal ArticleDOI
A 2.1-MHz crystal oscillator time base with a current consumption under 500 nA
TL;DR: A micro-power circuit is encapsulated with a 2.1 MHz ZT-cut quartz in a vacuum package that allows to achieve ±2 ppm frequency stability down to 1.8 V with a current under 0.5 ¿A.