Comparison on spectral purity of two SiGe D-Band frequency octuplers in MIMO radar MMICs. - Justin Romstadt; Hakan Papurcu; Ahmad Zaben; Steffen Hansen; Klaus Aufinger; Nils Pohl (BCICTS, 2021)

A SiGe D-Band x12 Frequency Multiplier with Gilbert Cell-Based Tripler. - Justin Romstadt; Ahmad Zaben; Hakan Papurcu; Klaus Aufinger; Nils Pohl (BCICTS, 2022)

A 117.5-155-GHz SiGe ×12 Frequency Multiplier Chain With Push-Push Doublers and a Gilbert Cell-Based Tripler. - Justin Romstadt; Ahmad Zaben; Hakan Papurcu; Pascal Stadler; Tobias Welling; Klaus Aufinger; Nils Pohl (IEEE J. Solid State Circuits, 2023)