The present invention includes a device and method for making an RF circulator/isolator device comprising: a substrate comprising one or more conductive coils, wherein the one or more conductive coils are formed in, on, or about the substrate; an opening in the substrate comprising an iron core, wherein the iron core is formed in the substrate after the formation of the one or more conductive coils, wherein the iron core is positioned and shaped to create a circulator/isolator in the substrate; and one or more connectors, vias, resistors, capacitors, or other integrated circuits of devices connected to the conductive coils of the circulator/isolator.

A microelectromechanical resonant circulator device is providing, having a substrate, and at least three electrical ports supported on the substrate. At least three electromechanical resonator elements are connected with associated switch elements and an associated port. The switch elements are operative to provide commutation over time of the electromechanical resonator elements.

A microelectromechanical resonant circulator device is providing, having a substrate, and at least three electrical ports supported on the substrate. At least three electromechanical resonator elements are connected with associated switch elements and an associated port. The switch elements are operative to provide commutation over time of the electromechanical resonator elements.

A superconducting circulator device and method of operation. The superconducting circulator device comprises more than two resonators of equal static resonance frequency chained to a ring system by strong coupling. Each of the resonators comprises an adjustable inductor built into the each one of the resonators. The device comprises also a set of ports, each one of the ports coupled to a corresponding one of the more than two resonators, a set of modulators, each one of the modulators positioned adjacently to a corresponding one of the adjustable inductor, and a set of modulation control ports. Each of the modulation control ports is connected to a corresponding modulator of the set of modulators such that each of the modulation control ports controls the related static resonance frequency of the related resonators and such that the ring system is modulatable.

Input impedance networks and associated methods are disclosed. An input impedance network comprises a source-terminal-pair configured to couple to a power source, a recovered-power-terminal-pair configured to couple to a power sink, a transmission line coupled to the source-terminal-pair that comprises M sections, and N clamping circuits. Each of the N clamping circuits is configured to clamp at least one of voltage or current in one of the M sections, and a power recovery circuit is coupled to the N clamping circuits to enable recovered energy to be applied to the recovered-power-terminal-pair.

Input impedance networks and associated methods are disclosed. An input impedance network comprises a source-terminal-pair configured to couple to a power source, a recovered-power-terminal-pair configured to couple to a power sink, a transmission line coupled to the source-terminal-pair that comprises M sections, and N clamping circuits. Each of the N clamping circuits is configured to clamp at least one of voltage or current in one of the M sections, and a power recovery circuit is coupled to the N clamping circuits to enable recovered energy to be applied to the recovered-power-terminal-pair.

A non-ferromagnetic electronic circulator device and system is described. Such passive electronic circulator devices may include a plurality of ports that include a discrete arrangement of resistors, capacitors and inductors that form a fully connected S parameter matrix. Signals that enter a first port of the circulator only exit from the second port, signals entering the second port only exit from the third port, signals entering the third port only exit the fourth port, and signals entering the fourth port, only exit the first port.

A non-ferromagnetic electronic circulator device and system is described. Such passive electronic circulator devices may include a plurality of ports that include a discrete arrangement of resistors, capacitors and inductors that form a fully connected S parameter matrix. Signals that enter a first port of the circulator only exit from the second port, signals entering the second port only exit from the third port, signals entering the third port only exit the fourth port, and signals entering the fourth port, only exit the first port.

A non-reciprocal band pass filter including a transmission line having a plurality of repeating finite size unit cells, where each unit cell has a predetermined length and includes an inductor and a varactor. The filter also includes a signal source providing a transmission signal that propagates on the transmission line, and a modulation source providing a modulation signal that modulates the varactor. A ratio between the predetermined length of the unit cells and a frequency of the modulation signal is selected to provide propagation modes that allow the transmission signal to propagate along the transmission line in one direction in a controlled pass band, but prevent the transmission signal from propagating along the transmission line in the opposite direction in the controlled pass band.

A high peak bandwidth I/O channel embedded within a multilayer surface interface that forms the bus circuitry electrically interfacing the output or input port on a first semiconductor die with the input or output port on a second semiconductor die.