Large-Signal Network Analysis for Over-The-Air Test of Up-Converting and Down-Converting Phased Arrays
We explore large-signal network analysis for the over-the-air test of up-converting and down-converting phased arrays. The approach first uses a vector network analyzer to characterize a three-dimensional test environment at RF. The vector network analyzer is then power- and phase-calibrated for the characterization of up-converting and down-converting phased arrays with an IF input or output. We illustrate the approach with measurements of a down-converting phased array.