The invention discloses an LTCC filtering
dielectric resonant antenna, and the antenna comprises a low-temperature co-fired
ceramic substrate and a
dielectric resonator; the low-temperature co-fired
ceramic substrate adopts three
layers of substrates, and an integrated
waveguide resonant cavity power divider based on an LTCC substrate is located at the bottommost layer; the
dielectric resonator isa 2*2 array antenna, and the
dielectric resonator is fixedly arranged at the top of the low-temperature co-fired
ceramic substrate; the epsilon r of the low-temperature co-fired
ceramic substrate is5.9, and the loss tangent is 0.0023; the thicknesses of the three
layers of cavities of the low-temperature co-fired
ceramic substrate are sequentially as follows from bottom to top: h1 = 0.58 mm, h2= 0.19 mm and h3 = 0.38 mm, and the thickness of the
metal layer of the low-temperature co-fired
ceramic substrate is 10 [mu]m. According to the filtering medium resonant antenna, the LTCC three-dimensional integration technology is fully utilized, the size is effectively reduced, the overall size is 12mm, 12mm and 2.4 mm, and the filtering medium resonant antenna is suitable for being applied toa 5G
wireless communication
system and a feed source of a transmission and reflection
antenna array.