Performance of 2–3.6 GHz Five-Port/Three-Phase Demodulators with Baseband Analog Regeneration Circuit in Direct-Conversion Receivers

Figure 9

Baseband spectrum at the output of the 𝐼/𝑄 regeneration circuit (𝐼 path) for FPD, TPD, and IQD after downconversion of three RF carriers @2 GHz, 2.4 GHz, and 2.8 GHz to DC and 40 MHz and 80 MHz.