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The design of a four-stage common-source (CS) 150 GHz amplifier in a 65nm technology is described. Each stage bases on the proposed technique of coupled transmission line (T-line) neutralization to achieve an improved intrinsic gain. Coupled T-line is also used for impedance matching, including both input and output, and inter stage impedance matching. Simulations show that the proposed amplifier...
A switchable dual-band low power low noise amplifier operated at 900MHz/1.95GHz has been designed for GSM/TD-SCDMA applications using 0.13 μm CMOS process. To achieve noise matching and input matching at both bands, a tunable capacitance bank and a switchable inductor for L-match are utilized. Four gain modes are accommodated with current splitting technique at the second stage. The post-layout simulated...
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