Optimization of Current-Driven Passive Mixer Conversion Gain Taking Into Account the Parameters of the Low Noise Amplifier

The paper presents a method for optimization of conversion gain of current-driven passive mixer considering parameters of the low noise amplifier. It is shown that the proper choice of the low noise amplifier load inductor and coupling capacitor allows an increasing of the mixer conversion gain in 5.34 dB comparatively with the conventional design. The low noise amplifier and the current-driven passive mixer with maximum conversion gain are designed at around 2.4 GHz range using 180 nm CMOS process. The comparative characteristics of various load inductor and coupling capacitor are considered.