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A fully-integrated reconfigurable RF transceiver dedicated for the sub-1GHz short range wireless applications is presented. The RF transceiver mainly consists of a reconfigurable RF front-end, a low-power reconfigurable receiver IF part and a Σ-Δ fractional-N PLL. The RF front-end with highly switchable gain/NF/output power with broadband matching for sub-1GHz frequency is proposed. The polyphase...
This paper presents the characterization of third-order nonlinearity in low noise amplifiers (LNAs). The nonlinearities including harmonic distortion, gain compression, cross modulation, intermodulation, blocking, desensitization and etc. In this paper, the focus is on the third-order nonlinearity. A double frequency signal injection method — which the dual-signal is with different frequency sweeping...
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