Patent ID: 9130256
Filing Date: 2015-09-08
Classification: H01P

Abstract:
1. A waveguide filter for a transmission of an RF signal and comprising: a pair of solid and separate end blocks of dielectric material each defining at least a pair of resonators, an RF signal transmission input/output transmission electrode, an exterior surface covered with a layer of conductive material, an RF signal transmission window defined by a region of the exterior surface devoid of conductive material and defining a path for the transmission of the RF signal, at least a first open slot extending into the exterior surface and the dielectric material and separating the at least a pair of resonators, and at least a first RF signal transmission bridge of the dielectric material defining a second path for the transmission of the RF signal between the at least a pair of resonators; one or more solid and separate interior RF signal transmission blocks of the dielectric material each defining at least a second pair of resonators, a second exterior surface covered with a layer of conductive material, a pair of second RF signal transmission windows defined by respective second regions of the second exterior surface devoid of conductive material and defining a third path for the transmission of the RF signal, at least a second open slot extending into the second exterior surface and the dielectric material and separating the at least a second pair of resonators, and at least a second RF signal transmission bridge of the dielectric material defining a fourth path for the transmission of the RF signal between the at least a second pair of resonators; and the pair of solid and separate end blocks of the dielectric material and the one or more solid and separate interior RF signal transmission blocks of the dielectric material being coupled together in a relationship with the exterior surface of the pair of solid and separate end blocks of the dielectric material abutting against the second exterior surface of the one or more solid and separate interior RF signal transmission blocks of the dielectric material; and the combination of the respective RF signal input/output electrodes, the respective at least a pair of resonators, the respective at least a second pair of resonators, the respective at least first and second RF signal transmission bridges, the respective RF signal transmission windows, and the respective pair of second RF signal transmission windows together define a direct path for the transmission of the RF signal through the waveguide filter.