A conditioning circuit for resistive sensors combining frequency and duty-cycle modulation of the same output signal

Measurement Science and Technology

Volumn 8, Issue 7, 1997, Pages 827-829

  Ferrari, V ^a   Ghidini, C ^a   Marioli, D ^a   Taroni, A ^a  

^a UNIVERSITY OF BRESCIA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

FREQUENCY MODULATION; MATHEMATICAL MODELS; PULSE WIDTH MODULATION; SENSORS;

WHEATSTONE BRIDGE CIRCUIT;

ANALOG TO DIGITAL CONVERSION;

EID: 0031191276     PISSN: 09570233     EISSN: None     Source Type: Journal    
DOI: 10.1088/0957-0233/8/7/021     Document Type: Article

References (5)

1. Middelhoek S, French P J, Huijsing J H and Lian W J 1988 Sensors with digital or frequency output Sensors Actuators 15 119-33
2. Huijsing J H, van Rossum G A and van der Lee M 1987 Two-wire bridge-to-frequency converter IEEE J. Solid-State Circuits 22 343-9
3. Mochizuki K and Watanabe K 1995 A linear resistance-to-frequency converter Proc. IMTC, Waltham USA pp 339-43
4. Johnson C D and Al Rieheh H 1986 Highly accurate resistance deviation to frequency converter with programmable sensitivity and resolution IEEE Trans. Instrum. Meas. 35 178-81
5. van der Goes F M L, de Jong P C and Meijer G C M 1993 Concepts for accurate A/D converters for transducers Proc. 7th Int. Conf. Solid-State Sensors and Actuators (Transducers '93), Yokohama, Japan pp 331-4