Sensors & Transducers Journal
(ISSN 1726- 5479)
Vol. 80, Issue 6, June 2007, pp. 1225-1229
High-Speed Universal Frequency-to-Digital Converter for Quasi-Digital Sensors and Transducers
Sergey Y. Yurish
Sensors Web Portal, Inc., Toronto, Canada
Received: 16 March 2007 /Accepted: 19 June 2007 /Published: 25 June 2007
Abstract: New fast, accurate universal integrated frequency-to-digital converter (UFDC-1M-16) is described in the article. It is based on the novel patented modified method of the dependent count and has non-redundant conversion time from 6.25 ms to 6.25 ms for 1 to 0.001 % relative errors respectively, comparable with conversion time for successive-approximation and S-D ADC. The IC can work with different sensors, transducers and encoders, which have frequency, period, duty-cycle, PWM, phase shift, pulse number, etc. output.
Keywords: Modified Method of the Dependent Count, Universal Frequency-to-Digital Converter, UFDC-1M-16, Quasi-Digital Sensors
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