A crystal-based digital ring oscillator

A crystal-based digital ring oscillator

A 0.16 mW, 2.3 Volt multi-channel digitally controlled oscillator (MDCO) core is designed in a 0.6 micron CMOS process and its prototype design is mapped on an Altera FPGA that can be used for clock recovery applications. This architecture is suitable for digital wireless and cable transceivers that...

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Bibliographische Detailangaben
Hauptverfasser: Abdollahi, S.R., Fakhraei, S.M., Bakkaloglu, B., Kamarei, M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Communication system control
Field programmable gate arrays
Frequency
Linearity
Phase locked loops
Propagation delay
Ring oscillators
Switches
Very large scale integration
Voltage-controlled oscillators
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Beschreibung
Zusammenfassung:A 0.16 mW, 2.3 Volt multi-channel digitally controlled oscillator (MDCO) core is designed in a 0.6 micron CMOS process and its prototype design is mapped on an Altera FPGA that can be used for clock recovery applications. This architecture is suitable for digital wireless and cable transceivers that use different bands for transmit and receive modes. As crystal-based-delay cells control its dominant propagation delay, we have obtained a reduced phase-noise in comparison to recently published analog-based DCOs.
DOI:10.1109/FPT.2003.1275767