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Parallel Amplifiers Technique for LNA Design


A new design method for low noise amplifier (LNA) based on using parallel amplifiers to improve the linearity and output power is proposed in this paper. Noise parameters including minimum noise figure (NFmin) and optimum noise impedance (Zsopt) and Rn (sensitivity coefficient) of this topology are calculated. The effect of parallel path to overall noise figure( NF) and input matching is also considered. Electro magnetic (EM) simulation result for the designed 10-12 GHz LNA with the 0.1-m pseudomorphic GaAs HEMT model is reported to support proposed theories.
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hal-02167087 , version 1 (03-07-2019)


  • HAL Id : hal-02167087 , version 1


Masoumeh Sabzi, Mahmoud Kamarei, Tchanguiz Razban, Yann Mahé. Parallel Amplifiers Technique for LNA Design. Fifth Sino-French Workshop on Information and Communication Technologies (SIFWICT 2019), Jun 2019, Nantes, France. ⟨hal-02167087⟩
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