Integrated circuit for high-frequency ultrasound annular array - Custom Integrated Circuits Conference, 2003. Proceedings of the IEEE 2003


An integrated circuit capable of focusing a high-frequency ultrasound annular array is presented. It uses a novel unitdelay architecture to accomplish focusing of the array with a single control voltage. System measurements for a 5-element array indicate excellent pulse fidelity with a dynamic amplitude range of 60 dB at 50 MHz. This is the highest… (More)


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