Abstract:
A tunable dielectric structure includes a first layer of dielectric material, a second layer of dielectric material positioned adjacent to the first layer of dielectric material, with the second layer of dielectric material having a dielectric constant that is less than the dielectric constant of the first layer of dielectric material, and electrodes for applying a controllable voltage across the first dielectric material, thereby controlling a dielectric constant of the first dielectric material, wherein at least one of the electrodes is positioned between the first and second layers of dielectric material. The dielectric materials can be formed in various shapes and assembled in various orientations with respect to each other. The tunable dielectric structure is used in various devices including coaxial cables, cavity antennas, microstrip lines, coplanar lines, and waveguides.
Abstract:
An apparatus is provided. There is a circuit assembly (206-A1) with a package substrate (304-A) and an integrated circuit (IC) (302-A). The package substrate has a microstrip line (208-A1), and the IC is secured to the package substrate and is electrically coupled to the microstrip line. A circuit board (202-A) is also secured to the package substrate. A dielectric waveguide (204- A) is secured to the circuit board. The dielectric waveguide has a dielectric core (310-A) that extends into a transition region (314- A) located between the dielectric waveguide and the microstrip line, and the microstrip line is configured to form a communication link with the dielectric waveguide.
Abstract:
A flexible cable for carrying RF signals and method of manufacturing same. The cable includes an elongate base substrate including a dielectric layer with an upper metal layer deposited on one side and a lower metal layer deposited on its other side. It further includes two parallel spaced-apart series of vias formed along the length of the base substrate, each via electrically interconnecting the upper metal layer and the lower metal layer, whereby a rectangular cross- sectional waveguide is provided between the upper metal layer, the lower metal layer and the two series of vias.
Abstract:
A quasi-planar circuit comprising a plurality of boards, each of the plurality of boards comprising a substrate; at least one of the plurality of boards having at least one air cavity formed in the substrate; at least one of the plurality of boards having at least one metal layer including at least one patterned metal portion, the at least one patterned metal portion being over the at least one air cavity; wherein the at least one patterned metal portion and the at least one air cavity are for controlling at least a part of an electromagentic field distribution in the region of the at least one patterned metal portion and the air cavity.
Abstract:
In some embodiments a printed circuit board is fabricated using printed circuit board material, and a waveguide is formed that is contained within the printed circuit board material. Other embodiments are described and claimed.
Abstract:
System, apparatuses and methods are disclosed which relate to the use of substrate integrated waveguide technology in front-end modules. An example circuit card assembly for use as a cellular base station front-end is disclosed which includes at least one component printed circuit board (PCB) layer having front-end module hardware components and at least one filter PCB layer including at least one substrate integrated waveguide (SIW) filter.
Abstract:
Embodiments include package structures having integrated waveguides to enable high data rate communication between package components. For example, a package structure includes a package substrate having an integrated waveguide, and first and second integrated circuit chips mounted to the package substrate. The first integrated circuit chip is coupled to the integrated waveguide using a first transmission line to waveguide transition, and the second integrated circuit chip is coupled to the integrated waveguide using a second transmission line to waveguide transition. The first and second integrated circuit chips are configured to communicate by transmitting signals using the integrated waveguide within the package carrier.
Abstract:
Embodiments include package structures having integrated waveguides to enable high data rate communication between package components. For example, a package structure includes a package substrate having an integrated waveguide, and first and second integrated circuit chips mounted to the package substrate. The first integrated circuit chip is coupled to the integrated waveguide using a first transmission line to waveguide transition, and the second integrated circuit chip is coupled to the integrated waveguide using a second transmission line to waveguide transition. The first and second integrated circuit chips are configured to communicate by transmitting signals using the integrated waveguide within the package carrier.