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This article presents the design of a low area novel concurrent dual-band LNA operating in the GSM 0.9GHz/BLUETOOTH 2.4GHz communication standards. The concurrent LNA is designed and simulated in CADENCE using 130nm UMC technology. A conventional source degeneration inductor is eliminated for higher signal gain while providing reasonable input impedance. Also by adding a capacitor between the gate...
A master/slave technique which allows digital tuning of a Gm-C filter's cut-off frequency is proposed. It relies on an accurate transconductance division technique, fixing the reference frequency independently from the filter cut-off frequency. The design of a digitally-tunable Gm-C switchable third/fifth- order Butterworth low-pass filter in a 0.13-mum 1.2-V CMOS process is also proposed. An extended...
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