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Vol. 59, Issue 9, September 2005, pp. 419-425




Digital Humidity Sensors and Data Logger Design Based on Modern Frequency-to-Digital Converter



Sergey Y. YURISH

Institute of Computer Sciences and Technologies, National University Lviv Polytechnic,

Bandera str., 12, 79013 Lviv, UA

Phone: +380502280003, fax: +380 32 2971641

E-mail: syurish@mail.lviv.ua


Received: 28 July 2005   Accepted: 15 August 2005   Published: 28 September 2005


Abstract: The application specific paper describes a design approach for digital humidity sensors, data acquisition systems, data loggers and multisensors systems. Practical realizations are based on the Universal Frequency-to-Digital Converter (UFDC-1). Such design approach lets significantly simplify the design process, reduce time-to-market and production price and produce multisensors systems with high metrological performances. Practical examples of direct interfacing of frequency output humidity transducers and humidity-to-frequency converters to the UFDC-1 are given.


Keywords: humidity sensors, digital sensors, universal frequency-to-digital converter, frequency output, UFDC-1, data logger, multisensors systems


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