Pub Date : 2023-11-15DOI: 10.1109/LSSC.2023.3332766
Andrea Bilato;Ibrahim Petricli;Andrea Mazzanti
A D-band power upconverter in a 55-nm SiGe BiCMOS is presented. The low-output resistance of a switching quad is identified as a limiting factor to mixer power generation in D-band, and common-base transistors are stacked for output power enhancement. Moreover, the current clamping mechanism is exploited to scale the average supply current with output power, improving the efficiency in back-off. Experimental results demonstrate $ {P_{mathrm{ sat}}},,{=}$