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A recently introduced structure for the capacitive micromachined ultrasonic transducers (CMUTs) has focused on the applications of the asymmetric mode of vibration and has shown promising results in construction of super-resolution ultrasound images. This paper presents the first implementation and experimental results of a transceiver circuit to interface such CMUT structures. The multiple input/multiple...
Applications of the capacitive-micromachined ultrasonic transducers (CMUTs) operating in their fundamental frequency of vibration have been extensively studied. Recent research on asymmetric mode of vibration has shown promising results in construction of super resolution ultrasound images. This paper presents the design of a receiver circuit that supports both the fundamental and asymmetric modes...
In ultrasound imaging, capacitive micromachined ultrasonic transducer (CMUT) technology has been considered as a promising alternative for the conventional piezoelectric-based technology. Its advantages include better image quality, higher operational frequency and ease of fabrication and integration with CMOS read-out circuitry. This paper presents the design of an on-chip adaptive biasing unit which...
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