I would like to know the minimum LO input power level under which the chip is still operating properly at 5.8 GHz. I am interested in RF-powers as low as possible, e.g. -100 dBm.
The required and specified LO input level is -6 to +6 dBm. Figure 20,Figure 21,Figure 22 on datasheet show the performance over LO Amplitude(No data at 5.8GHz and under -6dBm now). It may work under -6dBm but there would be output power drop , OIP2 and OIP3 drop accordingly. And also we can expect the performance degradation of second-order distortion from those figures(around 6dB degradation of second-order distortion at -6dBm LO amplitude to 0dBm LO level).
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