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Creators/Authors contains: "Enroth, Emory"

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  1. ; ; ; ; ; (, 2018 IEEE Radio Frequency Integrated Circuits Symposium (RFIC))
    A highly-integrated dual technology (28nm and 130nm SOI) widely tunable software-defined RF duplexing front-end for FDD, FD, and TDD applications is presented. Predistortion and harmonic upconversion are used to cancel second and third harmonics generated by PA nonlinearity by up to 30 dB. A novel form of non-reciprocal, distributed degeneration is used to suppress TX noise that desensitizes the RX for full duplex operation. The distributed degeneration network improves RX noise figure by 7dB over baseline TX operation for same channel TX-RX. The transceiver achieves a 23dBm output power while maintaining more than 30dB of TX-RX isolation over the 0.8-1.2GHz band. 
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