Stanley S.K. Ho
ABSTRACT
A fully integrated CMOS low-noise mixing circuit operating at an RF frequency of 5.4 GHz is presented in this paper. The mixer is a Gilbert cell with a low-noise transconductor stage and a current-bleeding circuit. The transconductor, designed using the power constrained simultaneous noise and input match technique, together with the bleeding circuit enables the mixer to have a measured single-sideband noise figure of 7.8 dB and a power conversion gain of 13.1 dB. The output-referred 1-dB compression point, OP1dB, is -5 dBm and the output-referred IP3 is +6.9 dBm. All of the inductors are on-chip and the size of the mixer core is only 380 um x 350 um (0.133 mm2).
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Index Terms
- A 5.4 GHz fully-integrated low-noise mixer
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