Abstract: There is provided a cable tap device for a CATV network comprising a microstrip directional coupler on an electrical path between an input and an output arranged to communicate with a splitter device associated with a plurality of tap ports. A ferrite core directional coupler is arranged in parallel with microstrip directional coupler with low frequency signals passing through ferrite core directional coupler and high frequency signals passing through the microstrip directional coupler.

Abstract: A time delay filter comprising a substrate; four coupled LC resonators, each having a coupling point; a first capacitor that electrically couples the first coupling point to the second coupling point; a second capacitor that electrically couples the second coupling point to the third coupling point; and a third capacitor that electrically couples the third coupling point to the fourth coupling point; the filter group delaying a signal output at the fourth coupling point relative to a signal input at the first coupling point.

Abstract: Stretchable high frequency transmission lines and high-frequency filters comprising the transmission lines are provided. The transmission lines provide low power loss, even at microwave and millimeter wave frequencies. The transmission lines are thin and flexible and can be stretched without a significant degradation of their scattering parameters. As a result, the transmission lines have applications as interconnects in stretchable and flexible integrated circuits (IC) and circuit device components, such as flexible transistors and flexible diodes.

Abstract: A radio frequency switch circuit is described including a radio frequency switch and a coupler. The radio frequency switch includes a first band switch circuit connected between a first signal port and a common port, and configured to switch a first band signal. The coupler includes a first coupling wiring, disposed adjacent to a signal wiring formed between the common port of the radio frequency switch and an antenna port, and configured to form a first coupling signal with the signal wiring. A resonant frequency of the first coupling wiring is based on an inductance of the first coupling wiring and a capacitance of the radio frequency switch.

Abstract: A switchable radiator includes a dielectric substrate, a first conductive layer having a slot disposed over an upper surface of the dielectric substrate, a tunable dielectric layer disposed over the first conductive layer, and a second conductive layer disposed over the tunable dielectric layer. The tunable dielectric layer has a first dielectric constant at a first DC voltage and a second dielectric constant at a second DC voltage. The second conductive layer includes a first signal section, a second signal section, and an impedance-matching section connecting the first signal section and the second signal section. The operation method of the switchable radiator includes applying a first DC voltage to the tunable dielectric layer to enable the switchable radiator to radiate energy through the slot and applying a second DC voltage to the tunable dielectric layer to disable the switchable radiator from radiating energy through the slot.

Abstract: The disclosure is directed to semiconductor structures and, more particularly, to a three dimensional microstrip branchline coupler and methods of manufacture. The structure includes a plurality of through silicon vias and conductive lines electrically connected to a first end and a second end of respective ones of the plurality of through silicon vias. A first through silicon via of the plurality of through silicon vias forms a first port of a three dimensional (3D) branchline coupler. A second through silicon via of the plurality of through silicon vias forms a second port of the 3D branchline coupler. A third through silicon via of the plurality of through silicon vias forms a third port of the 3D branchline coupler. A fourth through silicon via of the plurality of through silicon vias forms a fourth port of the 3D branchline coupler.

Abstract: A high-pass notch filter includes an input port, an output port, a third SAW resonator, a first inductor element, and a second inductor element. The first SAW resonator is configured to resonate in parallel at a first frequency corresponding to the attenuation band. The second SAW resonator is configured to resonate in parallel at a second frequency corresponding to the attenuation band. The third SAW resonator is configured to resonate in parallel at a third frequency corresponding to the attenuation band. The first inductor element has one end and another end. The one end is connected between the first SAW resonator and the third SAW resonator, and the other end is grounded. The second inductor element has one end and another end. The one end is connected between the second SAW resonator and the third SAW resonator, and the other end is grounded.

Abstract: Embodiments relate to peaking inductor array for a peaking control unit of a transceiver. An aspect includes the peaking inductor array comprising a plurality of cells connected in parallel, each cell comprising a respective active inductor. Another aspect includes each of the plurality of cells further comprising a decoupling capacitor.

Abstract: An acoustic-wave device with active calibration mechanism is provided. The acoustic-wave device with active calibration mechanism includes at least one adjustable acoustic-wave duplexer, a frequency discriminator and a control circuit. The adjustable acoustic-wave duplexer has a first terminal point, a second terminal point and a third terminal point. The adjustable acoustic-wave duplexer includes a TX filter, an RX filter, a first loop switch and a second loop switch. The first loop switch is used for conducting a first loop. The second loop switch is used for conducting a second loop. The control circuit adjusts the operating frequency of the TX filter according to a first loop calibration signal. The control circuit adjusts the operating frequency of the operating frequency of the RX filter according to the second loop calibration signal.

Abstract: A multi-state phase shifter circuit having both low insertion loss (IL) and good return loss. Two or more phase shift elements are combined into a single cell architecture to reduce the number of series-connected FET switches and reduce the total IL. One embodiment has two ports connected by parallel signal paths each comprising a pair of switches and a phase shift element comprising, for example, an inductor, a capacitor, a transmission line, or a conductor. Another embodiment has two ports connected by parallel signal paths each comprising a switch and at least one associated phase shift element. The switches in each parallel signal path allow the associated phase shift element to be placed in-circuit under the control of an applied signal. The sets of switches may be independently controlled, so that multiple parallel signal paths may be switched into circuit between the phase shifter circuit ports at the same time.

Abstract: An improved switchable capacitor array comprises a plurality of n?2 capacitor units, each comprising a capacitor with a capacitance and a switch unit. The capacitor units are electrically connected in series. Equidistantly spaced impedance values can be obtained if the values of the capacitances are chosen properly.

Abstract: An apparatus includes a first directional coupler, a second directional coupler, a first detector, and a second detector. A through port of the first directional coupler is coupled to a through port of the second directional coupler. An isolated port of the first directional coupler is coupled to an isolated port of the second directional coupler. A coupled port of the first directional coupler is coupled to the first detector. A coupled port of the second directional coupler is coupled to the second detector. A detected power signal is generated by combining an output of the first detector and an output of the second detector.

Abstract: Arrangement of resonators in an aperiodic configurations are described, which can be used for electromagnetic cloaking of objects. The overall assembly of resonators, as structures, do not all repeat periodically and at least some of the resonators are spaced such that their phase centers are separated by more than a wavelength. The arrangements can include resonators of several different sizes and/or geometries arranged so that each size or geometry corresponds to a moderate or high “Q” response that resonates within a specific frequency range, and that arrangement within that specific grouping of akin elements is periodic in the overall structure. The relative spacing and arrangement of groupings can be defined by self similarity and origin symmetry. Fractal based scatters are described. Further described are boundary condition layer structures that can activate and deactivate cloaking/lensing structures.

Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.

Abstract: A method of forming a Micro-Electro-Mechanical System (MEMS) includes forming a lower electrode on a first insulator layer within a cavity of the MEMS. The method further includes forming an upper electrode over another insulator material on top of the lower electrode which is at least partially in contact with the lower electrode. The forming of the lower electrode and the upper electrode includes adjusting a metal volume of the lower electrode and the upper electrode to modify beam bending.

Abstract: Aspects of the subject disclosure may include, for example, a coupling device including a first antenna that radiates a first wireless signal conveying first data; and a second antenna that radiates a second RF signal conveying the first data from the at least one transmitting device. The first wireless signal and second RF signal form a combined RF signal that is bound by an outer surface of a transmission medium to propagate as a guided electromagnetic wave substantially in a single longitudinal direction along the transmission medium. Other embodiments are disclosed.

Abstract: A method of forming a Micro-Electro-Mechanical System (MEMS) includes forming a lower electrode on a first insulator layer within a cavity of the MEMS. The method further includes forming an upper electrode over another insulator material on top of the lower electrode which is at least partially in contact with the lower electrode. The forming of the lower electrode and the upper electrode includes adjusting a metal volume of the lower electrode and the upper electrode to modify beam bending.

Abstract: Embodiments of the present disclosure provide a radio frequency (RF) conductive medium for reducing the undesirable insertion loss of all RF hardware components and improving the Q factor or “quality factor” of RF resonant cavities. The RF conductive medium decreases the insertion loss of the RF device by including one or more conductive pathways in a transverse electromagnetic axis that are immune to skin effect loss and, by extension, are substantially free from resistance to the conduction of RF energy.

Abstract: A dielectric contactless transmission device provided with a pair of ¼ wavelength dielectric resonance components (2, 3) having: dielectric blocks (20, 30) that have a first surface (20a), a second surface (20b), third to sixth surfaces (20c-20f) connecting the first surface (20a) and the second surface (20b), and a resonance hole (20g) for making the first surface (20a) and the second surface (20b) communicate; intra-resonance hole conductors (21, 31) covering the inner surface of the resonance hole (20g); external conductors (22, 32) covering the second surface (20b) and the third to sixth surfaces (20c-20f), the external conductors (22, 32) being connected to one end of the intra-resonance hole conductors; and coupling electrodes (23, 33) arranged on the first surface (20a) while being isolated from the external conductors (22, 32) and connected to the other end of the intra-resonance hole conductors (21, 31), the first surfaces (20a) being arranged facing each other so that the coupling electrodes (23, 33

Abstract: A directional coupler utilizes an inductive element of a power amplifier and a coupled conductive element. The inductive element of the power amplifier is a functioning element within the power amplifier and at least part of the inductive element of the power amplifier is disposed in a multi-layer substrate. At least part of the coupled conductive element is disposed in the multi-layer substrate. The coupled conductive element is configured to be inductively coupled to the inductive element of the power amplifier such that the coupled conductive element carries a first RF signal that is representative of a second RF signal within the inductive element of the power amplifier.