This paper presents the design of an integrated and differential rectenna on silicon, operating at 24 GHz. The antenna is dual-polarized and composed by four patches on a synthetized low effective permittivity dielectric. The substrate is a structure composed of three layers of high-resistivity silicon (εr = 11.9) where the central layer has an air cavity equal to the dimensions of the antennas. The feeding solution is performed by planar microstrip lines with inset feeds. A shunt configuration was chosen for the rectifiers with GaAs diodes. The silicon substrate assures the complete integration for on-chip systems and despite the lossy material chosen as substrate, each patch antenna presents 83% of radiation efficiency with a maximum gain of 4.82 dBi. The overall efficiency of the rectenna is 43% at a received power level of 14 dBm.
Trovarello S., Masotti D., Aldrigo M., Modreanu M., Costanzo A. (2021). Design of a 24-GHz dual-polarized rectenna integrated on silicon [10.23919/EuMC50147.2022.9784262].
Design of a 24-GHz dual-polarized rectenna integrated on silicon
Trovarello S.;Masotti D.;Costanzo A.
2021
Abstract
This paper presents the design of an integrated and differential rectenna on silicon, operating at 24 GHz. The antenna is dual-polarized and composed by four patches on a synthetized low effective permittivity dielectric. The substrate is a structure composed of three layers of high-resistivity silicon (εr = 11.9) where the central layer has an air cavity equal to the dimensions of the antennas. The feeding solution is performed by planar microstrip lines with inset feeds. A shunt configuration was chosen for the rectifiers with GaAs diodes. The silicon substrate assures the complete integration for on-chip systems and despite the lossy material chosen as substrate, each patch antenna presents 83% of radiation efficiency with a maximum gain of 4.82 dBi. The overall efficiency of the rectenna is 43% at a received power level of 14 dBm.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.