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Vol. 192, Issue 9, September 2015, pp. 1-8

 

Bullet

 

Duty-Cycle and Duty-off Factor Measurements
Based on Universal Sensors and Transducers Interface (USTI-MOB) IC

 

Sergey Y. Yurish and Javier Caňete

Excelera, S. L., Parc UPC-PMT, Edificio RDIT-K2M,

c/ Esteve Terradas, 1, 08860, Castelldefels, Barcelona, Spain
Tel.: +34 93 4137941

E-mail: sergey.yurish@excelera.io, javier.canete@excelera.io,

 

Received: 15 July 2015 /Accepted: 31 August 2015 /Published: 30 September 2015

Digital Sensors and Sensor Sysstems

 

Abstract: An experimental investigation of metrological characteristics of designed Universal Sensors and Transducers Interface (USTI-MOB) integrated circuit working in duty-cycle and duty-off factor measuring modes is described in the article. The USTI-MOB is based on the novel patented methods for duty-cycle to digital conversion. Experiments have confirmed the high metrological performance at low power consumption (0.35 mA current consumption at Vcc = 1.8 V). So, the relative error of duty-cycle to code conversion is changed from 0.08 to 1.00 % in all specified measuring range of USTI-MOB. Metrological characteristics and functionality make the USTI-MOB very suitable for various sensor systems designs, based on duty-cycle output sensors. In this case the significant time-to- marked reduction and design simplification can be achieved.

 

Keywords: Universal Sensors and Transducers Interface, USTI-MOB, duty-cycle measurement, duty-off factor

 

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