A 2.1 MHz Crystal Oscillator Time Base with a Current Consumption under 500 nA

A 2.1 MHz Crystal Oscillator Time Base with a Current Consumption under 500 nA

A micro-power circuit is encapsulated with a 2.1 MHz ZT-cut quartz in a vacuum package. The oscillator core has 2 complementary active MOSFETS and amplitude stabilization. New coupling and biasing circuits, and dynamic frequency dividers allow to achieve ±2 ppm frequency stability down to 1.8 V with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Aebischer, D., Oguey, H., von Kaenel, V.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Circuit optimization
Coupling circuits
Energy consumption
Frequency conversion
MOSFETs
Packaging
Parasitic capacitance
Signal resolution
Transconductance
Voltage-controlled oscillators
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Beschreibung
Zusammenfassung:A micro-power circuit is encapsulated with a 2.1 MHz ZT-cut quartz in a vacuum package. The oscillator core has 2 complementary active MOSFETS and amplitude stabilization. New coupling and biasing circuits, and dynamic frequency dividers allow to achieve ±2 ppm frequency stability down to 1.8 V with a current under 0.5 μA.