Boaz Shem-Tov

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A method is presented in this paper for the design of high speed CMOS Operational Amplifiers (Op-Amp). The Op-Amp consists of an Operational Transconductance Amplifier (OTA) followed by an output buffer. The OTA is compensated with a capacitor connected between the input and output of the buffer. An Op-Amp is designed in a 0.18 μm standard digital CMOS(More)
Single-bit Delta-Sigma ( ) modulation reduces the complexity of receive beamformers in ultrasound and sonar imaging applications. These applications, however, require a sampling rate in excess of 220 MHz due to the high bandwidth of the echo signals. In this paper, the design and implementation of a 250 MHz second-order single-bit modulator suitable for(More)
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