Abstract

This paper presents a reconfigurable differential amplifier for 26GHz and 28GHz frequencies. This research uses the RF-MEMS switches to adjust different frequencies. The proposed structure is capable of achieving an output power of 22dBm and about 2.9V output swing. Simulation results of the proposed Tunable Wideband Differential Amplifier (TWDA) in 180 nm TSMC-CMOS technology shows the attenuation of the second to fifth harmonics between -20.7dBm and -43.75dBm for the frequency of 26GHz, and between -21.11dBm and-46.96dBm for the frequency of 28GHz, which indicates the appropriate linearity of the structure. Electrical and mechanical simulations in the Advance Design System (ADS) and COMSOL simulation software indicate the proposed structure's ability to adjust different frequencies for TWDA using RF-MEMS switches.

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