Abstract

This article describes a design of two-stage differential amplifier with Cherry-Hooper amplifier stage and simple differential amplifier stage. The amplifier structure is designed and fabricated in 0.35 μm SiGe BiCMOS technology and has been designed for 17 GHz bandwidth with 13 dB single-ended gain. The amplifier is powered by −3.3 V power supply with power consumption 550 mW. Time domain large signal single-ended output swing achieves 650 mVpp. The amplifier is primarily designed as a sensing element for specialized M-sequence coupled antenna structure but is also suitable for output stage and UWB radar sensor applications.

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