Abstract: A supply circuit for supplying a light-emitting element includes a voltage regulator having a voltage output for outputting an output voltage and having a control input for regulating the output voltage based on a voltage at a divider node of a voltage divider. A first and a second terminal are used to connect the light emitting element, the first terminal being coupled to the voltage output and the second terminal being coupled to a reference potential terminal via a series resistor. The supply circuit further includes a control block having an analog-to-digital converter for generating a digital voltage feedback value from a voltage applied to the second terminal, a control element, and a digital-to-analog converter coupled to the divider node for outputting an analog control signal based on a digital control value.

Abstract: Methods for controlling power consumption and temperature in an LED luminaire are disclosed. The LED luminaire has one or more sets of LED light engines disposed on a printed circuit board (PCB), some or all of which are activated in response to an instruction or set of instructions. The instruction or set of instructions are processed to derive an indication of power consumption for each of the one or more sets of LED light engines. Power allocations for the one or more sets of LED light engines are adjusted to meet targets. This can be done by, e.g., ramping up or down the duty cycle of active sets of LED light engines by a uniform factor until the targets are met. Temperature control methods similarly ramp down the duty cycle of active sets of LED light engines uniformly over time if the measured temperature of the PCB exceeds limits.

Abstract: Enhancements to ornamental or holiday lighting are disclosed including remote control ornamental illumination with color pallet control whereby a user can vary the color/intensity/appearance of an individual bulb or entire light string by selecting the electronic address of the bulb and selecting its attribute. Further disclosures include: motion responsive lights which respond to sensed movement, gesture controlled lights, adjustable white color/white led sets, connectable multi-function lights, controller to sequence lights to music or other input source, rotating projection led light/tree top/table top unit, and remote controlled sequencing icicle lights and ornament lighting system.

Abstract: This disclosure describes systems, methods, and apparatus for a pulsed power supply assembly that distributes pulsed power to two or more loads using a single pulsed power supply. A pulsed power supply of the assembly can phase shift pulses to the different loads to ensure that there is no overlap between pulses at the outputs even where target frequencies and/or duty cycles for the different loads would otherwise call for such pulse overlaps. Variances applied by the pulsed power supply can be limited by attempts to keep average parameters of the pulse trains provided to the different loads to within predetermined variances.

Abstract: According to certain aspects, a level shifter includes a first branch including a first pull-up transistor configured to pull up a first node, and a first pull-down transistor configured to pull down the first node. The level shifter also includes a second branch including a second pull-up transistor configured to pull up a second node, and a second pull-down transistor configured to pull down the second node. The level shifter further includes a third branch including a third pull-up transistor configured to pull up a third node, and a third pull-down transistor configured to pull down the third node. The first branch is cross coupled with the third branch, the second branch is cross coupled with the third branch, the first pull-down transistor has a first channel width, the second pull-down transistor has a second channel width, and the first channel width is greater than the second channel width.

Abstract: Circuits and methods for preventing glitch in a circuit are disclosed. In one example, a circuit coupled to an input/output pad is disclosed. The circuit includes: a first level shifter, a second level shifter, and a control logic circuit. The first level shifter is configured for generating a data signal. The second level shifter is configured for generating an output enable signal. The first and second level shifters are controlled by first and second power-on-control signals, respectively. The control logic circuit is coupled to the first level shifter and the second level shifter.

Abstract: A clock gating cell (CGC) is provided. The clock gating cell includes two latches that can be configured as a flip-flop to use positive/negative edges of a first clock signal to store a value of an input terminal, and the clock gating cell also includes a selector used for the flip-flop to select from values of different input terminals for storing. In addition, in a non-scan testing mode, the clock gating cell can forcefully close an unused latch through an independent signal, and in a scan shift duration and a scan capture duration of a scan testing mode, the clock gating cell can further forcefully output the first clock signal as the gating clock signal according to two independent signals.

Abstract: An antenna module includes: an antenna substrate including an antenna pattern; a semiconductor package disposed on a lower surface of the antenna substrate, electrically connected to the antenna substrate, and having at least one semiconductor chip embedded therein; and an electronic component disposed on the lower surface or a side surface of the antenna substrate, electrically connected to the antenna substrate, and spaced apart from the semiconductor package by a predetermined distance. The electronic component has a thickness greater than that of the semiconductor chip.

Abstract: A particle acceleration system includes an ion source that generates an ion, an accelerator that accelerates the ion, And a transporting unit that transports the ion from the ion source to the accelerator, in which an attachment angle and an attachment position of the ion source with respect to the transporting unit are able to be adjusted.

Abstract: The present disclosure has disclosed a base station antenna comprising an antenna core provided with an antenna base at the bottom thereof and provided with an antenna bracket at the top thereof; and a radome sleeved over the antenna core. The radome includes a top wall and a side wall that protrudes downward from the top wall. The antenna core and the radome are connected together by a fixed connection portion located near a bottom end of the radome and a floating connection portion located near a top end of the radome. The floating connection portion fixes a position of the radome on the antenna core in a horizontal direction and allows the radome to float relative to the antenna core in a vertical direction by cooperating the antenna bracket with the top wall of the radome or the side wall at the top of the radome.

Abstract: An output driver includes a main output driver configured to receive data of an internal supply voltage to generate output data of an output supply voltage, and to receive the data of a ground voltage to generate the output data of the ground voltage, a pre-emphasis controller configured to detect a transition of the data from the ground voltage to the internal supply voltage to generate a first pulse signal, and to receive a pre-emphasis enable signal and the first pulse signal and generate a level-up pre-emphasis enable signal and a first level-up pulse signal of the ground voltage, a pre-emphasis pre-driver configured to generate one or more pre-emphasis pull-up control signals, and a pre-emphasis driver configured to pre-emphasize the output data based on the output data transitioning from the ground voltage to the output supply voltage.

Abstract: This disclosure describes systems, methods, and apparatus for operating a power factor correction circuit. The power factor correction circuit can downconvert AC mains power to a lower power suitable for driving one or more LEDs. The power factor correction circuit can provide a regulated current, in a single-stage embodiment, and a regulated voltage, in a dual-stage embodiment. The power factor correction circuit can include an isolation transformer along with a switch for controlling downconversion. The power factor correction circuit can alternatively include a switch without isolation. Either way, the switch can have a duty cycle proportional to a desired downconversion from the AC mains signal, and can skip half cycles of the AC mains signal in order to reduce the downconverted output of the power factor correction circuit.

Abstract: Three-stack antennas are disclosed which include a first antenna, a second antenna, a third antenna and a circuit board. After the first antenna, the second antenna and the third antennas are stacked on the circuit board orderly, feed-in components are electrically connected to the circuit board. The antenna structures can be surface mounted. The antenna structures can three-feed-in, four-feed-in or five-feed-in configurations, or four-hole or five-hole configurations.

Abstract: System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal. The switch is connected to a first diode terminal of a diode and a first inductor terminal of an inductor. The diode further includes a second diode terminal, and the inductor further includes a second inductor terminal.

Abstract: A light tube with anti-electric shock protection function and capable of being supplied with electricity by electrical ballast and alternate-current power supply in working frequency includes two conductive pin assemblies, a bridge rectifier, an anti-electric shock detection control circuit, a direct-current filtering circuit, a bleeder resistor, a buck-boost constant current module, and a rectifier. The direct-current filtering circuit is connected to the anti-electric shock detection control circuit and the bleeder resistor. The direct-current filtering circuit performs a smoothing procedure to a direct-current pulse voltage signal which is rectified by the bridge rectifier, the direct-current filtering circuit generates a false voltage to the anti-electric shock detection control circuit, and the bleeder resistor reduces the false voltage. The rectifier is connected to the bridge rectifier to receive a rectifier circuit, and the electrical ballast inputs the voltage signal to the bridge rectifier.

Abstract: The various embodiments described herein include methods, devices, and systems for fabricating and operating superconducting circuits. In one aspect, an electric circuit includes: (1) a first superconducting component having a first terminal, a second terminal, and a constriction region between the first terminal and the second terminal; (2) a second superconducting component having a third terminal and a fourth terminal; and (3) a first electrically-insulating component that thermally couples the first superconducting component and the second superconducting component such that heat produced at the constriction region is transferred through the first component to the second superconducting component.

Abstract: A hybrid antenna having an active array on a tracking pedestal is configured to facilitate simultaneous multibeam operation with first and second satellites. The hybrid antenna system includes a pedestal having a base and a support pivotally mounted with respect to the base about a first axis, a one-dimensional active electronically scanned array (AESA) configured to scan along a scanning plane and rotatably mounted on the support about a skew axis, and a skew positioner configured to rotate the AESA about the skew axis for aligning the scanning plane with the first and second satellites to facilitate the simultaneous multibeam operation with the first and second satellites. A method of using the hybrid antenna having an active array on a tracking pedestal is also disclosed.

Abstract: An integrated circuit device may include a programmable fabric die having programmable logic fabric and configuration memory that may configure the programmable logic fabric. The integrated circuit device may also include a base die that may provide fabric support circuitry, including memory and/or communication interfaces as well as compute elements that may also be application-specific. The memory in the base die may be directly accessed by the programmable fabric die using a low-latency, high capacity, and high bandwidth interface.

Abstract: A broad band dipole antenna includes a first top radiator which is a planar polygonal shaped surface arranged parallel to vertical axis of the broad band dipole antenna, a first bottom radiator which is a planar polygonal shaped surface arranged parallel to the first radiator and below of the first top radiator, a first coupler which is a planar polygonal shaped surface arranged in close proximity to both the first top radiator and the first bottom radiator, N?1 top radiators where each next top radiator is a copy of the previous top radiator which is rotated by approximately 360°/N around the vertical axis, where N is an integer greater than one, N?1 bottom radiators where each next bottom radiator is a copy of the previous bottom radiator which is rotated by approximately 360?/N around the vertical axis, N?1 couplers where each next coupler is a copy of the previous coupler which is rotated by approximately 360?/N around the vertical axis, a first jumper which connects bottom sides of all the top radiators,

Abstract: A battery management system includes a primary module in wireless communication with a plurality of sensing, or secondary, modules over a range of frequencies within a predetermined frequency band. Each of the primary module and the sensing modules can be configured to transmit with an antenna polarization setting chosen from a plurality of polarization settings. Each of the sensing modules is configured to communicate with the primary with a predetermined one of its polarization settings for each channel. The primary module is also configured to communicate with a respective secondary module with a predetermined polarization setting for each channel.