A Ka-Band Four-Channel Receiver Module Based on BGA Packaging for Satellite Network

In this paper, a novel vertical interconnection BGA packaging receiver module is proposed for satellite network applications. It solves layout difficulties of small-sized low profile beamforming subarrays and compatibility issues between RF signals and low frequency controls, realizing low loss and high isolation RF transmission. The perfomance tests show that it achieves> 20dB gain and <3.5dB noise figure for each chananel with 6 bits phase shift and 6bits step attenuation in 27GHz-32GHz, meeting the needs of satellite network phased-array antenna design.