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A CMOS down-conversion folded mixer for the radio frequency (RF) applications is presented. The proposed mixer composes of frequency doubling circuits, transconductance stages, and folded switching stages. With input 1.9 GHz RF signals of -40 dBm driven by 0.948 GHz local oscillation (LO) signals of 0 dBm, the mixer shows a good performance in both the high linearity and the low power consumption...
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