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This paper presents the design of a Ku-band CMOS low noise amplifier (LNA) with noise reduction and gain improvement. A transformer feedforward gm-boosting technique is employed in a single-ended common-gate LNA to reduce the noise figure (NF) and improve the gain simultaneously. A single cascode is the second stage of the LNA. Fabricated in 0.18um RF CMOS process, the LNA exhibits a minimum noise...
This paper presents a Q-band four stage power amplifier (PA) fabricated by 90nm CMOS process. In order to improve the output power of the PA, an eight-way distributed active transformer was used for power combining. The simulated insertion loss of the transformer power combiner is less than 1dB at 45 GHz. This paper also shows a way to design transformer baluns for impedance matching. The measurement...
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