A frequency tunable antenna includes a first substrate and a second substrate that are disposed opposite to each other, a second electrode disposed on a side of the second substrate close to the first substrate, a first electrode disposed on a side of the first substrate close to the second substrate, and a liquid crystal layer disposed between the second electrode and the first electrode. The second electrode and the first electrode are configured to adjust transmitting and receiving frequencies of the frequency tunable antenna by controlling an alignment manner of liquid crystals of the liquid crystal layer.

Miniature slow-wave transmission lines are described having an asymmetrical ground configuration. In some embodiments, the asymmetrical ground configuration facilitates a reduction in size. Non-uniform auxiliary conductors may be disposed above or below the co-planar waveguide to facilitate a reduction in the length of the miniature slow-wave transmission lines. Phase shifters may be implemented having a reduced size by including one or more miniature slow-wave transmission lines.

The present invention relates to a laminated body with electric conductor including a substrate; a functional layer having at least an adhesive layer; an electric conductor; and a protective material, wherein the substrate, the functional layer having at least the adhesive layer, the electric conductor, and the protective material are sequentially laminated in a thickness direction, and wherein a thickness of the functional layer is less than or equal to 0.300 mm.

A transition device includes a first metal layer, a signaling metal line, an excitation metal piece, a first dielectric layer, a plurality of conductive via elements, a reflector, and a waveguide. The first metal layer has a notch. The notch extends to the interior of the first metal layer, forming a first slot region. The signaling metal line is disposed in the notch. The excitation metal piece is disposed in the first slot region and is coupled to the signaling metal line. The first dielectric layer has a pair of first openings. The first dielectric layer includes a bridging portion disposed between the first openings. The bridging portion is configured to carry the excitation metal piece. The conductive via elements penetrate the first dielectric layer and are coupled to the first metal layer. The conductive via elements at least partially surround the first slot region.

An apparatus includes a signal splitter configured to receive an input signal for transmission and to split the input signal to form two or more sub-signals. The apparatus further includes a first amplifier configured to generate a first amplified sub-signal, a second amplifier configured to generate a second amplified sub-signal, a first launcher coupled to the first amplifier and to a waveguide, and a second launcher coupled to the second amplifier and to the waveguide. The first and second launchers are coupled to the waveguide such that a first radiative signal generated by the first launcher responsive to the first amplified sub-signal and a second radiative signal generated by the second launcher responsive to the second amplified sub-signal are combined in the waveguide to form a transmission signal corresponding to the input signal.

Disclosed are devices, systems and methods regarding ceramic-substrate ultra-wideband (UWB) antennas that utilize surface-mount technology (SMT) for installation, integration and connection to external devices, electronics and systems. Numerous configurations are disclosed for elements comprising each antenna. This ensures that the disclosed antennas may be configured in design to address varying performance requirements as well as to optimize performance across portions of the UWB spectrum.

A multilayer substrate includes an insulator that includes a first region and a second region that is thinner than the first region, and a first signal line and a second signal line that are structured to extend across the first region and the second region. In a region in which the first signal line and the second signal line face each other, a line width of the first signal line and a line width of the second signal line are smaller in the second region than in the first region, and a distance between the first signal line and the second signal line is smaller in the second region than in the first region.

Aspects of the subject disclosure may include, a system that facilitates detecting a transient electrical signal on a transmission medium that facilitates propagation of electromagnetic waves induced by the waveguide system and generating signal data associated with the transient electrical signal. Other embodiments are disclosed.

Aspects of the subject disclosure may include, a system that facilitates detecting a transient electrical signal on a transmission medium that facilitates propagation of electromagnetic waves induced by the waveguide system and generating signal data associated with the transient electrical signal. Other embodiments are disclosed.

A method of fabricating an electro-optical device is provided. The method comprises providing a silicon-on-insulator (SOI) wafer comprising a silicon layer, a silicon oxide layer and at least one RF (radio frequency) electrode, wherein the at least one RF electrode is arranged inside the upper portion of the silicon oxide layer of the SOI wafer and providing a second substrate having a top structure of a RF (radio frequency) modulating material. The method further comprises bonding the second substrate on top of the SOI wafer such that said top structure of a RF (radio frequency) modulating material is arranged over the at least one RF electrode. Also, an electro-optical device is provided.