A low-power MICS fractional-N frequency synthesizer for implantable biomedical systems

A low-power fractional-N frequency synthesizer operates in the Medical Implantable Communications Service (MICS) band used in an injection-locked transmitter is presented in this paper. The synthesizer is fully integrated in a standard 0.18-μm CMOS process for wireless implantable biomedical applica...

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Bibliographic Details
Main Authors: Kwan Wai Li, Ka Nang Leung
Format: Conference Proceeding
Language:English
Subjects:
Frequency conversion
Frequency synthesizers
Microwave integrated circuits
Phase locked loops
Power demand
Transmitters
Voltage-controlled oscillators
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Summary:A low-power fractional-N frequency synthesizer operates in the Medical Implantable Communications Service (MICS) band used in an injection-locked transmitter is presented in this paper. The synthesizer is fully integrated in a standard 0.18-μm CMOS process for wireless implantable biomedical applications. Simulation results show that the synthesizer achieves 15 μs locking time and consumes 4 mW at a power supply of 1.5 V.
DOI:10.1109/APCCAS.2012.6418998