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

E-mail: syurish@sensorsportal.com

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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