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A RF mixer with both low noise and high linearity is designed,operating at 2.45-GHz ISM band for RFID application.The designed mixer uses an optimal input matching network and the carefully chosen sizes of transistors,also with the appropriate bias point,to improve the noise figure(NF).Also,with a resonant LC loop as the current source and a parallel PMOS-resistor as the load,the mixer has a high linearity.The post simulation results show that the single side- band noise figure of 8.57 dB,conversion gain of 10.02 dB,input 1-dB compression point(P-1dB)of-8.33 dBm,and input third-order intercept point(IIP3)of 5.35 dBm.
A RF mixer with both low noise and high linearity is designed, operating at 2.45-GHz ISM band for RFID application. Designed manifold uses an optimal input matching network and the carefully chosen sizes of transistors, also with the appropriate bias point, to improve the noise figure (NF). Also, with a resonant LC loop as the current source and a parallel PMOS-resistor as the load, the mixer has a high linearity. The post simulation results show that the single side-band noise figure of 8.57 dB, conversion gain of 10.02 dB, input 1-dB compression point (P-1dB) of-8.33 dBm, and input third-order intercept point (IIP3) of 5.35 dBm.