Differential 60 GHz Antenna-on-Chip in mainstream 65 nm CMOS technology

The integration of a differential antenna in mainstream 65 nm CMOS was investigated. A 60 GHz prototype integrated circuit (IC) was developed, including a seal-ring and on-chip calibration structures. Measured results show excellent impedance matching properties over a 10 GHz bandwidth and a moderate antenna gain of -1.5 dBi. However, this is still a significant improvement as compared to state-of-the-art in mainstream CMOS.

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