Abstract: A power amplifier configured to receive an AC input signal and output, based on the AC input signal, an output voltage via a first output voltage terminal and a second output voltage terminal. The power amplifier includes a first transistor and a second transistor connected in a push-pull configuration, a first inductor, a second inductor, and a first capacitor. The first output voltage terminal is located between the first inductor and the first transistor. The second output voltage terminal is located between the second transistor and ground. The first capacitor is configured to provide a first circuit path between the first output voltage terminal and the second output voltage terminal. The first circuit path functions as a short circuit for even harmonics of a fundamental frequency of the AC input signal but does not function as a short circuit for the fundamental frequency of the AC input signal.

Abstract: A digitally-controlled power amplifier (DPA) includes a radio-frequency (RF) clock input, an amplitude control word (ACW) input, and a plurality of DPA cells. The RF clock input is arranged for receiving an RF clock. The ACW input is arranged for receiving a digital ACW signal. The DPA cells are coupled to the RF clock and the digital ACW signal, wherein at least one of the DPA cells is gradually turned on and off in response to at least one bit of the digital ACW signal.

Abstract: Multi-output amplifiers with configurable source degeneration inductance and having good performance are disclosed. In an exemplary design, an apparatus (e.g., a wireless device or an integrated circuit) includes a gain transistor and a configurable degeneration inductor for an amplifier. The gain transistor receives an input signal and provides an amplified signal. The amplifier provides a single output signal in a first operating mode or a plurality of output signals in a second operating mode. The configurable degeneration inductor is coupled to the gain transistor and provides a first source degeneration inductance in the first operating mode or a second source degeneration inductance in the second operating mode. The second source degeneration inductance is less than the first source degeneration inductance and may be dependent on the number of output signals generated in the second operating mode.

Abstract: There are provided a bias circuit and an amplifier controlling a bias voltage, the bias circuit and the amplifier including a control voltage generating unit generating a control voltage using a reference voltage, a bias voltage generating unit generating a bias voltage according to the control voltage, and a voltage drop unit dropping the bias voltage from the bias voltage generating unit to a base voltage so as to provide the base voltage to an amplifying unit, wherein the control voltage generating unit controls the control voltage according to an amplitude of a high-frequency signal input to the amplifying unit.

Abstract: A power circuit includes a bridge circuit connected to a first node by which an output voltage is supplied to a load circuit including an amplifier containing a CMOS inverter, and configured to generate a current flowing in a first current channel and a current flowing in a second current channel in accordance with a voltage difference between the output voltage and a predetermined set voltage to be supplied to the load circuit, and a current amplifier configured to generate a current flowing in a third current channel to the load circuit in accordance with an input source voltage and a difference between the current flowing in the first current channel and the current flowing in the second current channel. The predetermined set voltage that is supplied to the load circuit achieves the smallest transconductance during normal operation of the amplifier.

Abstract: An audio amplifier is powered by a switch mode power supply optimized for audio applications. The power supply includes a rectifier circuit and a discontinuous mode multiphase isolated flyback power circuit and does not require a separate power factor correction stage. The discontinuous mode multiphase isolated flyback power circuit includes multiple isolated flyback converters operating synchronously to each convert a portion of the power and supply a phase-summed direct current voltage to the audio amplifier.

Abstract: A device comprises a switch network having a plurality of switch cells connected in series, wherein each switch cell has a plurality of input voltages, and a plurality of switches, wherein each switch is coupled to an input voltage, and wherein the switch network is configured such that a different output voltage is produced in response to a different configuration, an output voltage with an output capacitance, and an impedance network coupled between the switch network and an output voltage port.

Abstract: A digitally controlled oscillator includes a ring oscillator and a first supplementary circuit. The ring oscillator is coupled to a supply voltage and generates a signal oscillated at an oscillating frequency. The oscillating frequency is controlled by a digital code and further varies with a supply voltage drift in a first direction. The first supplementary circuit is coupled to the ring oscillator and facilitates the oscillating frequency to vary with the supply voltage drift in a second direction reverse to the first direction.

Abstract: Provided is an oscillation stop detection circuit having low current consumption, which is capable of detecting stop of oscillation regardless of whether an input signal stops at High or Low and thereby accurately measuring an oscillation stop detection period. The oscillation stop detection circuit includes: a pulse generation circuit for outputting a one-shot pulse in synchronization with an oscillation signal input from an input terminal; a capacitor including one terminal connected to a first power supply terminal and another terminal connected to an output terminal; a constant current circuit connected between the first power supply terminal and the another terminal of the capacitor; and a switch circuit connected between an output terminal of the pulse generation circuit and the another terminal of the capacitor, for connecting the another terminal of the capacitor to a second power supply terminal based on the one-shot pulse.

Abstract: An electronic circuit according to an embodiment includes a power supply line having a first EBG pattern, the first EBG pattern including a plurality of first linear parts and a first slit, each of the first linear parts extending along a direction in which the power supply line extends and surrounded by the first slit except one end of the first linear part.

Abstract: Wideband balun having good performance characteristics for use in feeding differential antenna elements in array antennas, balanced amplifier circuits and other applications is described. Also described is a common mode isolation circuit suitable for integration with the balun.

Abstract: This disclosure provides systems, methods and apparatus for reducing harmonic emissions. One aspect of the disclosure provides a transmitter apparatus. The transmitter apparatus includes a driver circuit characterized by an efficiency and a power output level. The driver circuit further includes a filter circuit electrically connected to the driver circuit and configured to modify the impedance of the transmit circuit to maintain the efficiency of the driver circuit at a level that is within 20% of a maximum efficiency of the driver circuit when the impedance is within the complex impedance range. The filter circuit is further configured to maintain a substantially constant power output level irrespective of the reactive variations within the complex impedance range. The filter circuit is further configured to maintain a substantially linear relationship between the power output level and the resistive variations within the impedance range.

Abstract: A laminated waveguide diplexer includes a first laminated waveguide, a second laminated waveguide, and a coupling metal connecting the first and second laminated waveguides. The first laminated waveguide has a first upper conductor with a first slot, and the second laminated waveguide has a second upper conductor with a second slot. The coupling metal includes a first line crossing over the first slot and a second line crossing over the second slot. In addition, the laminated waveguide diplexer further includes a first via connecting the first upper conductor and the first line, and a second via connecting the second upper conductor and the second line. The first and second vias are adjacent to the first and second slots, respectively, such that the first and second lines are short stubs for respective radio frequency signals propagating thereon.

Abstract: A duplexer includes a transmit filter and an integrated receive filter configured to filter a receive signal from an antenna. The integrated receive filter includes a receive filter portion having multiple acoustic resonator filter elements and a matched balun configured to convert a single-ended input signal, received at a single-ended input of the matched balun from a single-ended output of the receive filter portion, to a differential output signal. The matched balun being is located in place of a phase matching inductor of the receive filter portion, eliminating need for the phase matching inductor of the receive filter portion and a phase matching inductor of the matched balun. Impedance at the single-ended input of the matched balun includes a complex conjugate of impedance at the single-ended output of the receive filter portion.

Abstract: A bandstop filter having optimum component values is provided for a lead of an active implantable medical device (AIMD). The bandstop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the implantable lead of the AIMD, wherein values of capacitance and inductance are selected such that the bandstop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the bandstop filter to attenuate current flow through the implantable lead along a range of selected frequencies.

Abstract: An electronic component includes a multilayer body including a plurality of insulating layers stacked on top of one another. An LC parallel resonator is provided in the multilayer body, includes a coil and a capacitor, and has a ring shape when viewed in plan in the x-axis direction. The capacitor includes a capacitor conductor layer connected to one end of the coil and a resonant ground conductor layer that is connected to the other end of the coil and that is provided on the positive z-axis direction side of the capacitor conductor layer. The resonant ground conductor layer faces the capacitor conductor layer with one of the plurality of insulating layers therebetween. An outer electrode is provided on the negative z-axis direction side of the LC parallel resonator and faces the capacitor conductor layer with one of the plurality of insulating layers therebetween.

Abstract: A dielectric wave guide (DWG) has a dielectric core member that has a first dielectric constant value. A cladding surrounding the dielectric core member has a second dielectric constant value that is lower than the first dielectric constant. A mating end of the DWG is configured for mating with a second DWG having a matching non-planar shaped mating end.

Abstract: A transformer is provided. The transformer includes at least one first primary turn; at least one second primary turn; and a first secondary turn and a second secondary turn. The first secondary turn and the second secondary turn are arranged laterally between the at least one first primary turn and the at least one second primary turn. The first secondary turn and the second secondary turn are arranged one above the other.

Abstract: A solenoid-driven automatic bus transfer switch may automatically transfer one or more electrical loads from a first power source to a second power source, or vice versa, in the event of a power failure or other casualty that affects either power source. The transfer switch may be operated in response to the energization of a solenoid coil, which causes a main shaft having a transfer element to rotate from being in contact with the first power source to being in contact with the second power source. The transfer element may be spring-mounted to the shaft, which ensures that a sufficient electrical contact exists between the surfaces of the transfer element and the respective leads of the first and second power sources, regardless of any wear or degradation that may be experienced at any of the surfaces.

Abstract: An electromagnetic relay which is provided with an armature, a moving electrode which has a moving plate and a moving contact and a fixed electrode which faces the moving electrode and has a fixed plate and a fixed contact. At least a portion of the moving plate onto which the moving contact is arranged and at least a portion of the fixed plate onto which the fixed contact is arranged are inclined in width direction.

Abstract: A switch for an electrical circuit includes a base, a rotatable cam having a first profile and a second profile, a solenoid, a link, and a member comprising a cam follower configured to follow the second profile. A first cycle of the solenoid includes a first energized state and a first de-energized state and the second cycle of the solenoid includes a second energized state and a second de-energized state. A first portion of the link couples to the solenoid, and a second portion of the link movably couples to the first profile of the cam. When the solenoid is in a first cycle, the member moves from a retracted position to an extended position, and when the solenoid is in a second cycle, the member moves from the extended position to the retracted position.

Abstract: A solenoid for a vehicle starter includes at least one coil with a passage extending through the coil in an axial direction. The solenoid further includes a plunger configured to move in the axial direction within the passage. The plunger includes a cylindrical outer surface with a substantially uniform diameter and a circumferential notch. The cylindrical outer surface includes a first portion with a first diameter on one side of the circumferential notch, and a second portion with the first diameter on an opposite side of the circumferential notch. The circumferential notch includes a portion with a second diameter that is less than the first diameter.

Abstract: [Means to Solve Problem] A coil (68) is housed in a main body (70). An inner cylindrical portion (98a) is disposed inward of the coil (68). An armature (80) adapted to be attracted by the coil (68) is disposed, being spaced from the inner cylindrical portion (98a). A magnetic flux concentrating member (100) is disposed on the side of the coil (68) nearer to the armature (80), being spaced from the inner cylindrical portion (98a). The gap between the inner cylindrical portion (98a) and the magnetic flux concentrating member (100) is larger than the gap between the armature (80) and the inner cylindrical member (100).

Abstract: In this method, magnetic studs housed in a plate are connected to magnetic flux measuring circuits, which define measuring zones, and to power circuits that make it possible to magnetise or demagnetise the studs. The method comprises prior steps that consist in determining (100) at least two treatment zones each defined by at least one measuring zone and defining (102) a surface of the clamping plate in contact with the part to be clamped, as well as following steps consisting, for each treatment zone, in identifying (103) one or more magnetic studs included in a surface of the clamping plate in contact with the part to be clamped, measuring (105) the magnetic flux produced by the stud or studs identified previously, calculating (106) an actual magnetic clamping force based on the measurement of the preceding step and on the identification made previously, calculating (108) a theoretical magnetic force thanks to this identification.

Abstract: To improve the insulation property of a coil winding wire without increasing the number of components. In a case where a coil winding wire 3 is inserted into a region formed by two side wall portions 41 and 42 and two connection portions 43 and 44 and this result is sandwiched between magnetic core members 6A and 6B, it is possible to prevent the two side wall portions 41 and 42 from contacting the coil winding wire 3 and the outer electronic components. Further, since the coil winding wire 3 is sandwiched by the connection portion 42 formed at the upper surface side of the coil winding wire 3 and the connection portion 44 formed at the lower surface side thereof from the upper and lower surfaces of the coil winding wire, the insulation property with respect to other electronic components in the up and down direction is also maintained.

Abstract: An apparatus with an inductor having a conductive loop perpendicular to a metalization plane of a substrate. The conductive loop has an upper element and lower element both parallel to the metalization plane that are connected with a via.

Abstract: In a particular embodiment, a device includes a low-loss substrate, a first inductor structure, and an air-gap. The first inductor structure is between the low-loss substrate and a second inductor structure. The first inductor structure is aligned with the second inductor structure to form a transformer. The air-gap is between the first inductor structure and the second inductor structure.

Abstract: A bobbin includes a first lateral plate, a second lateral plate, a winding section, a channel, a plurality of first pins and a plurality of second pins. A plurality of first protrusion structures are protruded externally from an edge of the second lateral plate. Each of the first protrusion structures includes an inner wall and a first notch. The inner walls of two adjacent first protrusion structures face each other and are separated from each other by a specified distance. The first notches of the first protrusion structures are respectively formed in the corresponding inner walls and staggered relative to each other. The first pins are disposed on the first protrusion structures, respectively. The second pins are disposed on the first protrusion structures, respectively. The first pins and the second pins are perpendicular to bottom surfaces of respective first protrusion structures.

Abstract: A radially anisotropic toroidal magnetic core is fabricated by a method including providing apparatus having a first magnet for providing a radial magnetic field extending across a cavity from an axial spindle to a surrounding second magnetic element, placing a substrate in the cavity, the substrate having a hole fitting around the head of the spindle; and sputter-depositing a film of ferromagnetic material onto the substrate. An alternative fabrication uses a similar fixture to impose magnetic anisotropy by annealing a previously-formed toroidal core. A particular fixture adapted for deposition by electroplating or for applying anisotropy by annealing pre-formed cores applies magnetic fields symmetrically from above and below the cores. Also described are the radially anisotropic core produced by the method, and an inductor having a coil wound on the radially anisotropic core.

Abstract: Disclosed herein is a common mode filter, including: a magnetic substrate; and a body part formed on the magnetic substrate, wherein the body part is configured of an insulating layer surrounding a coil electrode, an outer electrode terminal connected with an end of the coil electrode, and a magnetic resin composite, the insulating layer is formed on the magnetic substrate, having a margin part M disposed at an edge of the magnetic substrate, and the magnetic resin composite is filled in an empty space of the body part including the margin part M, thereby promoting a consecutive flow of magnetic flux that is generated from the coil electrode.

Abstract: A secondary transformer unit for placement on a vehicle with an electric drive includes at least one secondary core having a top side and a bottom side which define the secondary core in the z-direction; at least one secondary coil arranged on the secondary core, wherein the secondary core has at least one target deformation means which extends essentially in the z direction between the top side and the bottom side.

Abstract: An amorphous alloy powder is composed of an amorphous alloy material containing Fe, Cr, Mn, Si, B, and C as constituent components, and in the amorphous alloy material, Fe is contained as a main component, the content of Cr is 0.5 at % or more and 3 at % or less, the content of Mn is 0.02 at % or more and 3 at % or less, the content of Si is 10 at % or more and 14 at % or less, the content of B is 8 at % or more and 13 at % or less, and the content of C is 1 at % or more and 3 at % or less. By using such an amorphous alloy powder, a dust core which reduces iron loss and decreases magnetostriction can be obtained.

Abstract: Disclosed herein are a ferrite powder having a core-shell structure, the core being made of iron (Fe) or iron-based compounds comprising iron (Fe) and the shell being made of metal oxides, a ferrite material comprising the ferrite powder and the glass, and multilayered chip components including the ferrite layer using the ferrite material, inner electrodes, and outer electrodes. According to the exemplary embodiments of the present invention, it is possible to provide the ferrite material capable of improving the change in the inductance L value in response to applied current by suppressing magnetization at high current. The multilayered chip components including the ferrite material according to the exemplary embodiment of the present invention can also be used in a band of MHz.

Abstract: A method for manufacturing a thin metal wire electromagnetic shield includes the steps of preparing a thin metal wire bundle unified by bundling a plurality of thin metal wires each having a surface coated with an insulating material, and compression-molding the thin metal wire bundle by press working.

Abstract: Provided is a semiconductor integrated circuit device including a fuse circuit whose area and cost are minimized by a simple circuit configuration. The fuse circuit includes a first fuse and a second fuse having substantially the same shape and different sheet resistances, which are connected in series between terminals with different potentials. In a state in which none of the fuses is cut, a potential of an output terminal is fixed to a potential of one of the terminals.

Abstract: A main body of an electronic part is supported by terminals at a position above and separated from a board surface of a printed board. Each of the terminals is composed of a supporting member made of electrically insulating material and a wiring member. Each of the wiring member has an electrode-connected portion electrically connected to an electrode formed on the main body and a land-connected portion electrically connected to a land formed in the printed board. One of the wiring members is composed of a fuse wiring member having a cut-off portion, which is melted down when excess current flows. The wiring member is outwardly expanded in a direction opposite to the main body.

Abstract: An improved fuse element for use in a circuit protection fuse. The fuse element may include an insulating substrate portion and a conductive metallic portion disposed on at least one surface of the insulating substrate portion, wherein the metallic portion extends along, and is in continuous, intimate contact with the substrate portion. When the metallic portion melts and separates upon the occurrence of an overcurrent condition, the substrate portion bridges the resulting gap that is formed in the metallic portion and provides electrical arc suppression therein.

Abstract: A chip resistor includes an insulating substrate, a resistor element arranged on the obverse surface of the substrate, a bonding layer provided between the resistor element and the substrate, a first electrode connected to the resistor element, and a second electrode connected to the resistor element. The second electrode is deviated from the first electrode in a direction perpendicular to the thickness direction of the substrate. The substrate includes a side surface between the obverse surface and the reverse surface. The first electrode covers the resistor element, and also the side surface and the reverse surface of the substrate.

Abstract: A system for remote volumetric sensing, reporting, analysis, and alerting utilizing linear distance sensing, an electronic messaging communications protocol, a digital data transmission protocol, an automated data message reading and distribution system, an interactive web site user interface for both accessing user data and reviewing, remotely administering and configuring an automated remote sensor analysis and reporting system with integrated monitoring and alerting functions.

Abstract: A method of implementing use cases includes associating a use case with each of a plurality of devices capable of being used or accessed by a user. The method also includes providing a plurality of stackable blades, each providing a standard physical interface and being configured to implement a solution to the use case associated with each of the plurality of devices. The method further includes stacking the plurality of stackable blades to form an interconnected stack. Each of the plurality of stackable blades are coupled using the standard physical interface. The method also includes executing a first purpose corresponding to a first use case and executing a second purpose corresponding to a second use case. Embodiments provide an electronic ecosystem featuring ubiquitous connectivity in which a standard contact array in each component of the ecosystem assures interoperability between heterogeneous devices.

Abstract: A system may include a system controller in communication with a function controller and configured to receive an authentication request. The authentication request may include a user input and the user input may be authenticated by matching the user input with at least one stored input. The controller may determine a vehicle mode and update, via the function controller, a status associated with a key fob in response to the vehicle mode being in an authenticated mode.

Abstract: A door access control system associates a unique passive identifier with each one of a plurality of doors for which controlled access is desired. Each of the identifiers can be attached to a location adjacent to each respective door. A smartphone with a predetermined scanning app can scan, or read a respective identifier of a door for which access is desired. A representation of the door identifier along with an identifier of the smart phone can be transmitter to an access control unit. A data base of the access control unit can be interrogated to determine if that smartphone identifier is authorized to open the designated door. If authorized, an access command can be transmitted to a local access control module which can release a locking mechanism for the respective door.

Abstract: A real-time automated data security system protects both data and devices from loss, theft, and unauthorized access or activity. A miniature active RFID circuit is embodied in tags, area tags, controllers, USB sticks and a universal interface software for computers (i.e., Java), smart phones, and gateway boxes written to interface with the system. These devices are customizable and can link in arrays to cover large areas, use sensors, and scale up in module configurations to meet any need. The system is independent of electricity, GPS, satellites, the Internet, other software, and IT personnel. Its novel software, inside the tags, area tags and controllers is inaccessible and cannot be copied. Wireless transmissions are encrypted to military grade levels and packets are never repeated, making it unhackable, even by brute force attack. A unique battery-conserving protocol ensures good range and long battery life.

Abstract: Techniques are described for enhancing security, customization, and/or group interaction of users in vehicles. For instance, a mobile device of an owner of a vehicle may be registered in a manner that allows the mobile device to control operation of the vehicle and authorize guest user operation of the vehicle. In addition, the vehicle may be adapted to receive preferred vehicle settings from mobile devices positioned in the vehicle, such as a mobile device of a guest user, and customize the vehicle settings based on the retrieved preferences. Further, the vehicle may be equipped to communicate with in-pavement vehicle detection systems and enable interaction in an ad hoc group with other vehicles positioned to connect to the in-pavement vehicle detection systems.

Abstract: A passive entry system, in particular for a motor vehicle, comprising: a mobile device to be carried by a user, said mobile device comprising a low-frequency transceiver for short range communication, an ultra-high-frequency transceiver for long range communication and information concerning access, such as an access code, which is transmittable by said transceivers; and a locking device which is to be unlocked by the mobile device, said locking device comprising a low-frequency transceiver for short-range communication and an ultra-high frequency transceiver for long range communication to receive said information concerning access, such the access code.

Abstract: A system and method for employing BLE nodes in a PEPS system to determine whether a FOB is within or outside of a vehicle. The method includes interrogating the FOB using a signal transmitted by a BLE device on the vehicle to determine whether the FOB is in a predetermined vicinity of the vehicle and receiving a Bluetooth signal at the BLE device that is transmitted by the FOB if the FOB is in the vicinity of the vehicle. The method also included determining a transmit power of the Bluetooth signal transmitted by the FOB and determining a receive power of the Bluetooth signal transmitted by the FOB and received by the BLE device. The method uses the transmit power and the receive power in a comparison process to determine whether the FOB is inside or outside of the vehicle.

Abstract: Systems and methods for identifying a user of an electronic device are disclosed. An example method includes capturing body characteristic data associated with a user via a sensor on a computing device. The body characteristic data is captured as the user interacts with the computing device for a purpose different from user identification. The example method includes determining an identifier associated with the user based on the captured body characteristic data.

Abstract: A none-power state indication apparatus includes an optoelectronic device electrically connected to a power supply circuit of an electric product, and generating a predetermined light color under power effect of the power supply circuit; a case member for covering an upper portion of the optoelectronic device, wherein a display zone corresponding to the optoelectronic device and differing from a color of a case surface of the case member. Under a state of supplying power to the electric product, the color of the display zone of the case member generates change state that is identical to the color of the case surface due to light source effect of the optoelectronic device. On the other hand, under a state of supplying no power to the electric product, the obvious display zone appears on the case surface due to lost light source of the optoelectronic device, thereby indicating the none-power state.

Abstract: Systems and methods are provided for determining whether and/or when a patient is taking his or her medication and, when appropriate, providing reminders and/or alerts to the patient to improve adherence to a medication regimen. In some embodiments, a medication container is provided that includes a capacitance sensor for sensing the contents of the medication container (e.g., pill count or quantity of liquid medication). The capacitance sensor may include interleaved or interdigitated electrodes oriented vertically, horizontally, or angularly (e.g., diagonally) relative to an axis of the medication container. Reminders and/or alerts to the patient may be triggered based at least in part on the contents of the medication container, when a cap of the container was last opened and/or closed, the location of the medication container, and/or the container's surroundings.

Abstract: A system comprising at least one piece of equipment; a plurality of sensors adapted to measure one or more operating parameters of the equipment; and a signature generator adapted to encode a plurality of data streams from the sensors into an operating signature for the equipment.