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TitleA CMOS current starved VCO for energy harvesting applications
Author(s)Almeida, Gonçalo F. F.
Yang, Zhaochu
Mendes, P. M.
Dong, Tao
Current starved VCO
Voltage reference circuit
Issue date2020
CitationG. F. F. Almeida, Z. Yang, P. M. Mendes and T. Dong, "A CMOS Current Starved VCO for Energy Harvesting applications," 2020 International Conference on Computing, Electronics & Communications Engineering (iCCECE), Southend, UK, 2020, pp. 205-210, doi: 10.1109/iCCECE49321.2020.9231172.
Abstract(s)This work presents a current starved voltage-controlled oscillator based on standard 0.13μm CMOS process. Integrated within a power management circuit, the proposed oscillator provides an average periodic signal with a frequency of 84.81kHz. Additionally, to assure a stable periodic signal from the environmental instability a voltage reference is designed. The proposed architecture makes full use of subthreshold and deep triode MOSFETs to avoid the employment of any passive component. A voltage reference exhibits an output reference of 258.34mV in response to a 1.0-3.2V voltage supply. It shows a line sensitivity of 0.49%/V at 27°C. The output of the architecture leads to a robust time-control local oscillator, which can be employed in power management circuit for energy harvesting systems and be used on wireless sensor networks and implantable medical devices.
TypeConference paper
Publisher version
AccessRestricted access (UMinho)
Appears in Collections:CMEMS - Artigos em livros de atas/Papers in proceedings

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