A highly miniaturized broadband on-chip impedance transformer employing Periodically Arrayed Ground Structure on silicon substrate for application to broadband wireless access system

摘要

In this work, using a coplanar waveguide employing Periodically Arrayed Ground Structure (PAGS) on silicon RFIC, a highly miniaturized and broadband on-chip impedance transformer was developed for application to broadband wireless access system. Its size was 0.01mm2 on silicon substrate, which was 6.99% of the one fabricated by conventional coplanar waveguide . The transformer showed a good RF performance from 1 to 40 GHz.