Abstract: Methods, systems, and apparatuses for mechanically isolating and electrically coupling a transmit/receive board with one or more antennae are provided. For example, a transmit/received board may be mechanically isolated and electrically coupled to a 3D printed phased array antenna. The electrical coupling may be with a plurality of couplers. A first coupler may be associated with the transmit/receive board and a second coupler may be associated with the antenna. Near-field coupling of the first coupler and second coupler allow for a signal to be transmitted and received without mechanical coupling.

Abstract: An electric cable assembly is provided. The electric cable assembly includes an electric cable and a connector. The connector includes an interface portion and a pivotable member. The interface portion includes an electrical interface and a fluid coupling. The pivotable member includes an arm that is configured to be engageable with the fluid coupling of the interface portion. The fluid coupling is configured to be removable from the fluid socket of the electric device or the charging station when the arm of the pivotable member is engaged with the fluid coupling.

Abstract: Apparatuses, systems, and methods for a linear horn antenna with a conical collar are provided. For example, a linear horn antenna has a conical collar and a plurality of antenna feeds. The conical collar is located a first distance from a first end of the linear horn antenna. The plurality of antenna feeds include a first antenna feed and a second antenna feed. The linear horn antenna is configured to generate one or more electromagnetic fields based on one or more excitation signals received via at least one of the plurality of antenna feeds and configured to generate one or more received signals at at least one of the plurality of antenna feeds based on one or more received electromagnetic fields.

Abstract: An electric cable assembly and a device with an electric cable assembly are provided. An example electric cable assembly includes an electric cable and a connector. The connector is configured to be in electrical communication with the electric cable and includes an interface and a rotatable member. The interface includes an electrical interface and a fluid coupling that is configured to be coupled with a fluid socket of a device or an electric component of the device. The rotatable member of the connector is configured to rotate and includes a tab that extends inward. When the fluid coupling is coupled with the fluid socket, the fluid coupling is configured to be decouplable from the fluid socket when the tab of the rotatable member is positioned outward from the fluid coupling.

Abstract: This application is directed to cooling a semiconductor system. The semiconductor system includes a device substrate having a first surface and a second surface, an electronic component thermally coupled to the device substrate, and a cooling substrate coupled to the device substrate. The cooling substrate includes a third surface facing the second surface of the device substrate, a fourth surface opposite the third surface, and a plurality of vias between the third and fourth surfaces. The second surface and the third surface define a cavity therebetween, such that in use coolant flows from the fourth surface through the plurality of vias to exit at the third surface, enters the cavity between the second and third surfaces, and impinges on the second surface. At least a portion of one or more of the device substrate and the cooling substrate have similar coefficients of thermal expansion.

Abstract: A tool for wire forming is provided. The tool for wire forming may include a first anvil having a first chamber. The tool for wire forming further includes a second anvil having a second chamber. The tool for wire forming further includes a mandrel having a first portion disposed in the first chamber, a second portion disposed in the second chamber, and a third portion in between the first portion and the second portion. The third portion may include a recess configured to receive a wire. The second anvil may be configured to be actuated from an open position to a closed position to transform the wire into a formed wire.

Abstract: Systems, apparatuses, and methods for RF and microwave phase shifter are provided. For example, a phase shift circuit may include: a first switch configured to switch between providing an input signal from the first switch input to either the first switch first output or the first switch second output based on a first control signal; a second switch is configured to switch between the second switch first input and the second switch second input to provide the second switch output; a reference state circuit electrically connected to the first switch first output and the second switch first input and comprising a first switch filter circuit and a first plurality of switch capacitor circuits; and a shift state circuit electrically connected to the first switch second output and the second switch second input and comprising a second switch filter circuit and a second plurality of switch capacitor circuits.

Abstract: An example power splitter and associated methods are provided herein. In some embodiments, the power splitter may include a first port. In some embodiments, the power splitter may include a plurality of second ports. In some embodiments, the power splitter may include one or more low pass elements. In this regard, the one or more low pass elements may include at least one series inductor and at least one shunt capacitor. In some embodiments, the power splitter may include one or more high pass elements. In this regard, the one or more high pass elements may include at least one series capacitor and at least one shunt inductor. In some embodiments, each of the one or more high pass elements and each of the one or more low pass elements is electrically connected to the first port and the plurality of second ports.

Abstract: Systems, cooperative uncrewed vehicles, and methods for detecting an uncooperative uncrewed vehicle within a plurality of cooperative uncrewed vehicles are provided. For example, a system may include a plurality of cooperative uncrewed vehicles. Each cooperative vehicle is configured to transmit a respective first RF signal containing a unique ID code, receive reflections of the first RF signal reflected off other cooperative vehicles and at least one uncooperative vehicle, calculate a distance at which the first RF signal was reflected, create one or more point clouds corresponding to the reflections of the first RF signal; determine distances to each of the cooperative vehicles, and correlate the point clouds with distances to each of the cooperative vehicles to determine which of the point clouds is associated with which of the cooperative vehicles and therefore which point cloud is associated with the uncooperative vehicle.

Abstract: Systems, apparatuses, and associated methods are provided for testing, analyzing, and assembling radiofrequency (RF) modules. An example system includes a test station for testing an RF module, including testing mechanical, chemical, and/or electrical parameters of the RF module. The testing may involve various sources of error, and the system determines one or more types of error from the test results as well as how to address the error. From completed testing, test results may be utilized in view of expected test results to improve simulations and to determine how two or more RF module may be combined in an RF assembly.

Abstract: A flexure assembly includes a first spiral flexure, a second spiral flexure, and a spacing element. The spacing element is positioned between the first spiral flexure and the second spiral flexure. The flexure assembly also includes a plurality of fasteners that collectively extend circumferentially around an axis defined by the flexure assembly. Each of the plurality of fasteners extends through the first spiral flexure and the second spiral flexure.

Abstract: Systems, apparatuses, and methods for processing sensor data are provided. For example, a sensor of an antenna array may generate return data to be processed. The return data may be processed using one or more channels, which may each be comprised of a DDR, a FIFO, and a FFT. The processed return data may generate frequency data that may locate and track a target. In various embodiments, an FPGA may be comprised of the FIFO and the FFT for each of the channels while the DDR of each channel may not be in the FPGA.

Abstract: An example antenna and methods of transmitting and receiving signals are provided herein. In some embodiments, the antenna may include a metamaterial. In some embodiments, the metamaterial may include a plurality of magnetic layers. In this regard, the plurality of magnetic layers may be orientated along an axial direction of the metamaterial. In some embodiments, each of the plurality of magnetic layers may include a plurality of magnetic particles dispersed in a dielectric. In some embodiments, the antenna may include an electrical conductor. In this regard, the electrical conductor may include a coil that surrounds the metamaterial. In some embodiments, the antenna may be configured to transmit and/or receive signals having a frequency in the high frequency (HF) range.

Abstract: Various embodiments of the present disclosure describe radio frequency (RF) enabled devices, system, and RF energy relaying techniques for selectively harvesting and/or relaying RF energy signals. An RF-enabled device may include an antenna unit configured to receive a radio frequency signal and a switch component electrically coupled to the antenna unit. The switch component may be associated with a plurality of signal processing states that include at least a collection state and a reflection state. The RF-enabled device may include a controller that is configured to selectively transition the switch component between the collection state and the reflection state based at least in part on one or more power transfer stimuli. At a collection state, an RF energy signal may be harvested. At a reflection state, the RF energy signal may be reflected to another entity within a proximity to the RF-enabled device.

Abstract: A phased array computing system can include a mounting surface with a plurality of antenna disposed thereon. The mounting surface can include motion sensors disposes at a plurality of different sensor positions to detect the changes to the mounting surface. The system can receive motion data generated by the motion sensors. The system can compute, based on the motion data location offsets for the motion sensors from their original positions on the mounting surface. The system can compute a deformed position for each antenna on the mounting surface using the location offsets for the motion sensors. The system can update, based on the deformed positions, a signal model associated with the antennas to compensate for deformations at the mounting surface during sensor processing.

Abstract: This application is directed to a bias circuit. The bias circuit includes a biasing voltage reference circuit including at least a first transistor. The biasing voltage reference circuit is configured to output a first voltage that depends on a threshold voltage of the first transistor. The bias circuit also includes a differential input circuit coupled to the biasing voltage reference circuit and having two differential inputs. The differential input circuit is configured to receive the first voltage and a reference voltage and generate a second voltage based on a difference between the first voltage and the reference voltage. The bias circuit further includes a buffer circuit coupled to the differential input circuit. The buffer circuit is configured to receive the second voltage and generate a bias voltage based on the second voltage. The bias voltage depends on the threshold voltage of the first transistor.

Abstract: Systems, apparatuses, and associated methods are provided for testing, analyzing, and assembling radiofrequency (RF) modules. An example system includes a test station for testing an RF module, including testing mechanical, chemical, and/or electrical parameters of the RF module. The testing may involve various sources of error, and the system determines one or more types of error from the test results as well as how to address the error. From completed testing, test results may be utilized in view of expected test results to improve simulations and to determine how two or more RF module may be combined in an RF assembly.

Abstract: Systems, devices, and associated methods are provided for testing and tuning devices under test (e.g., radiofrequency modules). An example system includes a test station including an imaging device, a measurement device, and a robotic arm. The system may include a rotary stage coupled with the robotic arm, measurement probes disposed in the rotary stage and operably coupled with the measurement device, and tuning tips disposed in the rotary stage. The system may include a galvo scanner and laser to remove conductive material. The test station may perform a testing procedure on an RF module where the measurement probes generate testing data indicative of testing parameters. The test station may perform a tuning procedure on the RF module where a tuning tip or the laser modifies the RF module based on the testing parameters. The testing and tuning may be performed by a user, semi-autonomously, or autonomously.

Abstract: An antenna array includes one or more antenna tiles which are arranged on an antenna plane. Each of the one or more antenna tiles includes one or more antenna units that are arranged together to form the respective antenna tile having a hexagonal shape and each antenna unit comprises an antenna circuit chip. In some embodiments, each antenna unit has a pentagonal shape and the antenna tile has a hexagonal shape formed by tessellating the one or more antenna units with one another.

Abstract: Systems, devices, and associated methods are provided for testing and tuning radiofrequency (RF) modules. An example system includes a test station including an imaging device, a measurement device, and a robotic arm. The system may include a rotary stage coupled with the robotic arm, measurement probes disposed in the rotary stage and operably coupled with the measurement device, and tuning tips disposed in the rotary stage. The system may include a galvo scanner and laser to remove conductive material. In operation, the test station may perform a testing procedure on an RF module where the measurement probes generate testing data indicative of testing parameters. The test station may perform a tuning procedure on the RF module where a tuning tip or the laser modifies the RF module based on the testing parameters. The testing and tuning may be performed by a user, semi-autonomously, or autonomously.