Chandrashekar Dusa

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In commercial ultrasound systems, the transmit module typically generates the time delayed excitation pulses to steer and focus the acoustic beam. However, the ultrasound transmitter module in these systems has limited access to medical ultrasound researchers. In this paper, we have presented the development of a programmable architecture for 8-channel(More)
Bedsides diagnosis using portable ultrasound scanning (PUS) offering comfortable diagnosis with various clinical advantages, in general, ultrasound scanners suffer from a poor signal-to-noise ratio, and physicians who operate the device at point-of-care may not be adequately trained to perform high level diagnosis. Such scenarios can be eradicated by(More)
In commercial ultrasound systems, the multielement transducer array is connected to analog front end electronics using long-wire high voltage coaxial cables. This paper presents the circuit design of 16-channel Transmit (Tx) and Receive (Rx) beamforming ASIC (Application Specific Integrated Circuit) that can be integrated in ultrasound probe head which(More)
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