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An active bidirectional mixer based on modified Gilbert cell has been proposed to perform the up/down conversion at 24 GHz in a 130‐nm RF CMOS. Employing the transconductance gm/load sharing stage, the mixer not only reduces the required power of local oscillator (LO) signal, but also increases the linearity and the conversion gain (CG). With a 2‐dBm LO power, the mixer achieves measured CG of −1...
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