Research ArticlePerformance of 2–3.6 GHz Five-Port/Three-Phase Demodulators with Baseband Analog Regeneration Circuit in Direct-Conversion Receivers
Figure 11
Constellation diagrams corresponding to the demodulation of of two −60 dBm QPSK modulated carriers @2.4 GHz and 2.8 GHz for FPD, TPD, and IQD.