Abstract
A low-voltage, feedforward-linearized bipolar mixer realizes an input IP3 of +14.3 dBm and an input IP2 of +54.5 dBm at 2.4 GHz. Conversion (power) gain over the 1-6GHz RF input range is 12.4plusmn0.35 dB, while the input IP3 is 13.6plusmn1.8dBm over the same frequency range. The broadband mixer's RF input impedance varies from 60.3-j7.1 at 2.4 GHz to 57.4-j16.6 Omega at 5.8GHz. Measured SSB (50 Omega) noise figure is 18.6 dB at 2.4 GHz. No on-chip inductors are used in the design, and the 0.14 mm 2 (active area) mixer dissipates 7.2 mW from a (minimum) 1.2 V supply
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