New Compact Single-Chip Balun for Sub-1 GHz Radios Minimizes RF Circuit Designs Challenges
50 GHz S-shaped rat-race balun with 1.4 dB insertion loss in a wafer-level chip-size package process | International Journal of Microwave and Wireless Technologies | Cambridge Core
Dr. Mühlhaus Consulting & Software GmbH » 60 GHz on-chip balun transformer: interleaved or overlay?
ST Microelectronics single-chip balun for sub-1 GHz radio