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A novel design for a chip-scale miniature oven-controlled crystal oscillator (OCXO) is presented. In this design, all the main components of an OCXO-consisting of an oscillator, a temperature sensor, a heater, and temperature-control circuitry-are integrated on a single CMOS chip. The OCXO package size can be reduced significantly with this design, because the resonator does not require a separate...
This paper presents a one-chip temperature control for an OCXO application with a quartz crystal directly mounted on a CMOS chip. The design of this chip can reduce the size of an entire OCXO package dramatically since no separate PCBs are required for the oscillator, controller, and resonator. The reduced package size leads to less power consumption (303 mW at steady state) and a shorter warm-up...
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