Rogers Corporation
MAGNETO-DIELECTRIC ANTENNA

Abstract:

An antenna system, includes: a signal feed, a magneto-dielectric material (MDM), and a radiator element all electromagnetically coupled with each other, and defining a combination having: a fractional bandwidth X=dF/F, where dF is a signal bandwidth, and F is a center frequency associated with dF; a volume-to-wavelength ratio Y=V/.lamda., where V is a volume of the combination, and .lamda. is a wavelength in free space of the signal; and a minimum efficiency defined by Z associated with dF. A first combination has a dimensionless material attribute W associated with operational characteristics of a first MDM, wherein W=Y/(X*Z). A second combination has a dimensionless material attribute W' associated with operational characteristics of a second MDM having different operational characteristics than the first MDM. The operational characteristics of the second combination satisfy: 0<(W'/W)<(W/W), at a fractional bandwidth X' equal to or greater than 1.3 MHz/450 MHz and equal to or less than 100 MHz/750 MHz.