A digital-feedback pre-distortion technique for integrated high-voltage ultrasound transmitting power amplifiers

Abstract

Ultrasound systems require high-voltage (HV) transmitters to excite the transducers. Compared to digital pulsers, class-AB power amplifiers have many advantages, such as lower harmonics and the capability of generating complex arbitrary waveforms for Coded-Excitation Mode and other advanced ultrasound imaging modes. However, the need to suppress cross-over… (More)

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8 Figures and Tables