Providing CDM protection is a major challenge for mm-wave circuits given the stringent performance requirements. In this paper, two mm-wave ESD protection techniques are compared at 60 GHz, with a focus on CDM performance. For the first time, a good correlation with on-wafer VFTLP and packaged CDM tests is demonstrated on mm-wave circuits, with record CDM levels. Inductive ESD protection delivers 1 kV CDM protection without compromising the 60 GHz RF performance.
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