A SiGe TXSIP for E-Band Point-to-Point Systems from 71 to 86 GHz with >32 dBm Output Power

This paper presents an all-Silicon system-in-package transmitter covering the entire E-Band spectrum from 71 to 86 GHz for point-to-point microwave links. It integrates an upconverter (UPC), variable gain amplifier (VGA) and two power amplifiers (PA) which are flip-chip mounted in a low-cost 19 mm x 20 mm LGA package with a WR12 waveguide interface. The integrated PAs combine 64 individual amplifier channels and achieve a PSAT greater than 32 dBm. The TXSIP meets 5G NR EVM limits up to output powers of 29, 28 and 26 dBm for 1 GSym/s 4-QAM, 16-QAM and 64-QAM signals, respectively.