List An integrated circuit with transmit beamforming and parallel receive channels for 3D ultrasound imaging: Testing and characterization Author I. Wygant, N. S. Jamal, H. J. Lee, A. Nikoozadeh, X. Zhuang, O. Oralkan, A. S. Ergun, M. Karaman, and B. T. Khuri-Yakub* Conference Proc. IEEE Ultrason. Symp., New York, USA, pp. 25-28 Year 2007 .