A gain boosted fully concurrent dual-band interstage matched LNA operating in 900 MHz/2.4 GHz with sub-2dB Noise Figure

This paper features the design and detailed analysis of a fully concurrent dual-band Low Noise Amplifier (LNA) operating in the GSM 0.9 GHz & BLUETOOTH 2.4 GHz communication standards having an inter-stage matching inductor. An interstage inductor between the common source stage and the common gate stage is used to increase power gain. In this work, all the circuit components are considered on-chip. The results show that the proposed topology increases the overall gain. The concurrent LNA is designed and simulated in CADENCE using 130 nm UMC technology. The current design is especially suitable for use in multi-standard wireless receiver frontends. Simulation results indicate a Noise Figure below 4 dB and S21 above 14 dB in all frequency bands while drawing 10 mA current from a 1.2 V power supply.