To enable a software-defined spectrally agile phased array operation across multiple bands from 30-100 GHz, we present a 30-88 GHz broadband IQ vector modulator phase shifter in 90 nm SiGe. This was ...

A balun structure with phase-shifting function is introduced in this paper. It integrates a loaded line phase shifter on a folded Marchand balun, which maintains a very compact size, hybrid functions, ...