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Title: A Novel, PLL-based frequency-to-digital conversion mechanism for sensor interfaces
Authors: Danneels, Hans ×
Piette, Francois
De Smedt, Valentijn
Dehaene, Wim
Gielen, Georges #
Issue Date: Dec-2011
Publisher: Elsevier Science Pub. Co.
Series Title: Sensors and Actuators A, Physical vol:172 issue:1 pages:220-227
Abstract: Due to the ongoing trend towards smaller technologies, time–/frequency-to-digital conversion is gaining popularity. It benefits from the improved timing resolution in new technologies whereas voltage processing suffers from reduced signal swing and non-idealities. In this paper a new PLL architecture for digitization of sensor signals is described which fully exploits the benefits of frequency processing combined with the benefits from traditional sigma-delta voltage converters. Furthermore it is demonstrated that this architecture is flexible towards different sensor applications that require different specifications. Its working principle and relevance is explored with system-level simulations, and the robustness towards noise and non-idealities (temperature drift, voltage dependency) is demonstrated.
ISSN: 0924-4247
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - MICAS, Microelectronics and Sensors
× corresponding author
# (joint) last author

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