A 61-GHz SiGe Transceiver Frontend for Energy and Data Transmission of Passive RFID Single-Chip Tags With Integrated Antennas. - Christian Bredendiek; Dominic A. Funke; Jan Schopfel; Victoria Kloubert; Benedikt Welp; Klaus Aufinger; Nils Pohl (IEEE J. Solid State Circuits, 2018)