IIAE CONFERENCE SYSTEM, The 5th IIAE International Conference on Industrial Application Engineering 2017 (ICIAE2017)

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Development of Analog to Digital Interface for Scalable Ultrasonic Sensor Array
Yuichi Morita, Sota Kono, Akira Yamawaki

Last modified: 2017-02-21


We have proposed the organizing method of the 2-D ultrasonic sensor array with the constant number of the wire cables between the sensing part and the data processing part independent to the number of sensors. This paper develops an analog-digital interface between the ultrasonic sensors to the data sending part to realize our proposed organization. To make analog circuits simple, we use only amplifier circuits without smoothing circuits and comparators generally used. Outputs from ultrasonic sensors are amplified to be over

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