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A dual-band cross-coupled common-gate low noise amplifier (LNA) utilizing post distortion cancellation is introduced. A differential pair biased in weak inversion is used to cancel the third-order intermodulation (IMD3) distortion of the main amplifier. An on-chip circuit is used for biasing the main and auxiliary amplifier. The IIP3 of the LNA is improved by more than 4 dB in both bands, located...
This paper reviews the main circuit strategies reported so far for the implementation of multi-standard low-noise amplifiers (LNAs) and presents a reconfigurable and adaptive LNA intended for beyond-3G RF hand-held devices. The circuit, designed and implemented in a 90-nm CMOS technology, combines a reduced number of inductors with PMOS-varactors and programmable load to adapt its performance to different...
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