Abstract: Aspects of the disclosure relate to devices, wireless communication apparatuses, methods, and circuitry implementing a low noise amplifier (LNA) with phase-shifting circuitry to achieve a continuous phase at the output of the LNA. One aspect is an amplifier including a high gain active path comprising active circuitry, and a low gain path comprising passive circuitry and phase-shifting circuitry. In one or more aspects, the phase-shifting circuitry is configured to shift a phase of an input signal within the low gain path such that the phase of an output signal outputted from the low gain path approximately matches a phase of an output signal outputted from the high gain active path. In at least one aspect, a gain of the high gain active path is higher than a gain of the low gain passive path.

Abstract: Disclosed is a RF switch module and methods to fabricate and operate such RF switch to alternatively couple an antenna to either a transmitter transmission line or a receiver transmission line to realize lower distortion of a signal at high frequencies with improved insertion loss and without affecting isolation. In one embodiment, a Radio Frequency (RF) switch module, includes, a switch circuit for switching between transmitting first signals from a transmitter unit to an antenna and transmitting second signals from the antenna to the receiver unit, wherein the switch circuit comprises a plurality of field effect transistors (FETs), wherein each of the plurality of FETs comprises stacked gate dielectrics and at least three metal contacts to a conductive gate, wherein the stacked gate dielectrics comprises at least one first dielectric layer, wherein the first dielectric layer comprises a negative-capacitance material.

Abstract: The present technology relates to a tuner IC capable of reducing the cost of a demodulation LSI. A tuner includes an IF output terminal configured to output an IF signal of terrestrial broadcasting, a first output terminal configured to output the IF signal or one of BB signals that are output signals of satellite digital broadcasting and have orthogonal phases, and a second output terminal configured to output another of the BB signals. The present technology can be applied to a broadcast receiving system.

Abstract: A method and apparatus for use in a digitally tuning a capacitor in an integrated circuit device is described. A Digitally Tuned Capacitor DTC is described which facilitates digitally controlling capacitance applied between a first and second terminal. In some embodiments, the first terminal comprises an RF+ terminal and the second terminal comprises an RF? terminal. In accordance with some embodiments, the DTCs comprise a plurality of sub-circuits ordered in significance from least significant bit (LSB) to most significant bit (MSB) sub-circuits, wherein the plurality of significant bit sub-circuits are coupled together in parallel, and wherein each sub-circuit has a first node coupled to the first RF terminal, and a second node coupled to the second RF terminal. The DTCs further include an input means for receiving a digital control word, wherein the digital control word comprises bits that are similarly ordered in significance from an LSB to an MSB.

Abstract: A wideband interference mitigation module is coupled to an output of a primary downconverter to process the digital intermediate frequency signal. A selective filtering module is associated with a secondary downconverter that comprises a digital harmonic-resistant translator. The selective filtering module comprises: (a) a low-pass filter that is configured as an anti-aliasing digital filter consistent with a target receive bandwidth to suppress aliasing associated with the analog-to-digital conversion, and (b) narrow band rejection filter to filter the digital baseband signal to reduce or to mitigate electromagnetic interference, where the narrow band rejection filter is configured for adaptive control responsive to detection by the wideband interference mitigation module of certain interference in the received radio frequency signal.

Abstract: A receiver comprising a signal phase shifting block generating concurrent phase shifted copies of an input signal, and an impedance translation function block configured to receive the phase shifted copies of the input signal and generate a down converted signal wherein the impedance translation function block is driven by a single clock signal of frequency determined by a desired carrier frequency. The receiver including an energy harvesting block coupled to the phase shifting block to receive one or more in-band or out-of-band interferers in the input signal and reflected signals from the impedance translation function block due to nonlinearities.

Abstract: A novel semiconductor device is provided. The semiconductor device includes a mixer circuit and a bias circuit. The mixer circuit includes a voltage-to-current conversion portion, a current switch portion, and a current-to-voltage conversion portion. The bias circuit includes a bias supply portion and a first transistor. The voltage-to-current conversion portion includes a second transistor and a third transistor. The bias supply portion has a function of outputting a bias voltage to be supplied to a gate of the second transistor and a gate of the third transistor. One of a source and a drain of the first transistor is electrically connected to the gate of the second transistor and the gate of the third transistor. The first transistor is turned off when the bias voltage is supplied, and the first transistor is turned on when the supply of the bias voltage is stopped.

Abstract: A metal-oxide-semiconductor (MOS) capacitor can include a substrate including a semiconductor material, an oxide layer formed on a surface of the substrate, a conductive layer formed over at least a portion of the oxide layer, a first terminal connected with the surface of the substrate, and a second terminal connected with the conductive layer. The oxide layer can be connected in series between the substrate and the conductive layer to form a capacitor between the first terminal and the second terminal. Each of the first terminal and the second terminal can be exposed along the surface of the substrate for surface mounting the capacitor. The MOS capacitor can exhibit excellent high frequency performance. For example, an insertion loss of the MOS capacitor can be greater than about ?0.75 dB for frequencies ranging from about 5 GHz to about 40 GHz.

Abstract: A radio frequency module includes: a module substrate having a main surface; a conductive member to partition the main surface into regions in a plan view of the main surface, and being set to ground electric potential; a switch disposed in one of the regions and connected to an antenna connection terminal; a power amplifier disposed in one of the regions and connected to the antenna connection terminal via the switch; and a low-noise amplifier disposed in one of the regions and connected to the antenna connection terminal via the switch.

Abstract: A radio-frequency module includes a mounting substrate, plural external connecting terminals, a power amplifier, and a controller. The mounting substrate has first and second main surfaces on opposite sides of the mounting substrate. The plural external connecting terminals are disposed on the second main surface of the mounting substrate. The power amplifier is disposed on one of the first and second main surfaces of the mounting substrate. The controller is disposed on the second main surface of the mounting substrate. The plural external connecting terminals include a control terminal. The controller is configured to control the power amplifier based on a control signal obtained via the control terminal.

Abstract: A balun configured for a power range between 500 W and 5 kW output includes a balanced signal port comprising a first connection and a second connection and further includes a single-ended signal port comprising a third connection and a fourth connection, the fourth connection being connected to ground. In addition, the balun includes a first capacitor disposed between the first connection and a first end of a first resistor and a second capacitor disposed between the second connection and the first end of the first resistor. A second end of the first resistor is connected to ground.

Abstract: An electronic device may include wireless circuitry having an LC filter. The LC filter may include first and second series inductors coupled between the input and output of the LC filter. An input capacitor can be coupled at the input of the LC filter, and an output capacitor can be coupled at the output of the LC filter. Feedforward capacitors can be cross-coupled with the first and second series inductors to at least partially or fully cancel out any parasitic capacitance associated with the first and second series inductors to mitigate any undesired self-resonant effects associated with the series inductors.

Abstract: A radio frequency (RF) device includes a display screen and a flexible substrate. The display screen is configured to transmit visible light at a first side of the display screen. The flexible substrate includes a first portion overlapping the first side, and a second portion overlapping an opposite second side of the display screen. The RF device further includes a plurality of antennas disposed over the first portion of the flexible substrate and the first side, and a transmission line disposed on a bent region of the flexible substrate between the first and second portions. The plurality of antennas is configured to transmit/receive RF signals on the first side of the display screen. The display screen is opaque to the RF signals. The transmission line is configured to propagate the RF signals between the first portion and the second portion on the opposite second side of the display screen.

Abstract: Disclosed is a frequency mixer. The frequency mixer includes a first matching circuit that generates a matched local oscillator (LO) signal based on an LO signal, a non-linear circuit that generates a non-linear LO signal based on the matched LO signal, a second matching circuit that generates a matched radio frequency (RF) signal based on an RF signal, a mixing circuit that generates a mixed signal based on a mixing of the non-linear LO signal and the matched RF signal, a third matching circuit that generates an intermediate frequency (IF) signal based on the mixed signal, wherein the non-linear circuit includes a non-linear transistor, a bias transistor, and an internal matching circuit connected in series.

Abstract: A radio-frequency module includes a module substrate having a major surface on which a ground electrode pattern is formed and an integrated circuit disposed on the major surface of the module substrate. The integrated circuit includes a control/power supply circuit having at least one of a control circuit and a power supply circuit and a second electrical circuit having at least one of an amplifier, a switch, and a filter. In plan view, the ground electrode pattern overlaps at least a part of the control/power supply circuit and does not overlap at least a part of the second electrical circuit.

Abstract: Devices exchange control signals with each other to ensure proper operation of an overall system. For instance, in a communication system, a baseband processor and a transceiver communicate with each other to exchange information for controlling the respective signal processing parts of the baseband processor and the transceiver. While Serial Peripheral Interfaces (SPIs) can be used, SPI can be extremely slow, and does not provide a protocol for allowing a complex set of control signals to be exchanged between the baseband processor and transceiver. The present disclosure describes a fast control interface which can support various modes of operation in allowing two devices to communicate with each other quickly and effectively.

Abstract: Systems and methods for improving testing and/or calibration efficiency of radio frequency system. In some embodiments, a testing system includes a beamformer radio frequency system, in which the beamformer radio frequency system includes first transceiver circuitry and a first plurality of antennas coupled to the first transceiver circuitry, a beamformee radio frequency system, in which the beamformee radio frequency system includes second transceiver circuitry and a second plurality of antennas coupled to the second transceiver circuitry, one or more wired connections coupled between the first transceiver circuitry of the beamformer radio frequency system and the second transceiver circuitry of the beamformee radio frequency system, in which each of the one or more wired connections bypasses the first plurality of antennas of the first radio frequency system and the second plurality of antennas of the second radio frequency system.

Abstract: Provided is a FET resistive frequency mixing device having improved RF-LO and IF-LO isolations. The frequency mixing device includes: a field effect transistor (FET), a local oscillation matching circuit connected to a gate of the FET to transfer a local oscillation signal to the gate of the FET, a gate biasing circuit connected to the gate of the FET, a radio frequency (RF) matching circuit having a first terminal connected to a drain side of the FET and a second terminal serving as a RF terminal to receive or output a RF signal, an intermediate frequency (IF) matching circuit having a first terminal connected to the drain side of the FET and a second terminal serving as an IF terminal to receive or output an IF signal, and a series resonance circuit providing a path from the drain of the FET to ground for the local oscillation signal.

Abstract: A high-frequency module includes a transmission signal amplifier that outputs a transmission signal to an antenna terminal side; a reception signal amplifier that amplifies a reception signal supplied from an antenna terminal; a switch that selectively connects the antenna terminal to either an output of the transmission signal amplifier or an input of the reception signal amplifier; and a directional coupler that is provided on a transmission signal path and detects a signal level of the transmission signal. The transmission signal amplifier is controlled by a first control signal supplied from a first control circuit. The reception signal amplifier is controlled by a second control signal supplied from a second control circuit. The switch is controlled by a switch control signal supplied from the first control circuit. The directional coupler is controlled by a coupler control signal supplied from the first control circuit.

Abstract: Disclosed herein, among other things, are methods and apparatus for wireless electronics using a MEMS switch for a hearing assistance device. The present application relates to a hearing assistance device configured to be worn by a wearer. The hearing assistance device includes a housing for electronics of the hearing assistance device, including wireless electronics. The wireless electronics include a plurality of radio frequency (RF) MEMS switches, in various embodiments. A hearing assistance processor is adapted to process signals for the wearer of the hearing assistance device. In various embodiments, the hearing assistance device includes an antenna, and a switchable capacitor bank configured for tuning the antenna, the switchable capacitor bank including one or more of the plurality of RF MEMS switches. The plurality of RF MEMS switches include an electrostatically deformed RF MEMS membrane, in an embodiment. Different configurations and approaches are provided.

Abstract: Provided is a radio-frequency module that includes a module substrate having first and second main surfaces on opposite sides of the module substrate, a resin member that covers the second main surface and includes a first groove and the second groove, a plurality of post electrodes that include a first post electrode and the second post electrode, that are arranged on the second main surface, and that penetrate through the resin member, and a semiconductor component that is arranged between the first post electrode and the second post electrode on the second main surface and that includes a surface that is not covered by the resin member. The first groove is arranged between the first post electrode and the semiconductor component. The second groove is arranged between the second post electrode and the semiconductor component.

Abstract: The present disclosure provides a frequency-converting super-regenerative transceiver with a frequency mixer coupled to a resonator and a feedback element having a controllable gain. The frequency-converting super-regenerative transceiver utilizes the frequency mixer to shift the incoming frequencies, based on a controlled oscillator, to match the frequency of operation of the super-regenerative transceiver. The frequency-converting super-regenerative transceivers described herein permit signal data capture over a broad range of frequencies and for a range of communication protocols. The frequency-converting super-regenerative transceivers described herein are tunable, consume very little power for operation and maintenance, and permit long term operation even when powered by very small power sources (e.g., coin batteries).

Abstract: A module substrate has first and second main surfaces that on opposite sides of the module substrate, a resin member that covers the second main surface, and a plurality of post electrodes that are spaced apart from each other on the second main surface and penetrate through the resin member from the second main surface. The plurality of post electrodes includes a first post electrode and a first recess recessed toward the second main surface and formed in at least part of a region of the surface of the resin member that surrounds a leading end part of the first post electrode.

Abstract: A high-frequency module includes a transmission signal amplifier that outputs a transmission signal to an antenna terminal side; a reception signal amplifier that amplifies a reception signal supplied from an antenna terminal; a switch that selectively connects the antenna terminal to either an output of the transmission signal amplifier or an input of the reception signal amplifier; and a directional coupler that is provided on a transmission signal path and detects a signal level of the transmission signal. The transmission signal amplifier is controlled by a first control signal supplied from a first control circuit. The reception signal amplifier is controlled by a second control signal supplied from a second control circuit. The switch is controlled by a switch control signal supplied from the first control circuit. The directional coupler is controlled by a coupler control signal supplied from the first control circuit.

Abstract: Systems and methods for improving radio frequency integrated circuits. Extended conducting plates having current forming elements are used to equalize return currents from an array of capacitance banks in radio frequency integrated circuits and to reduce crosstalk between crossing signal lines by providing isolation mechanisms for use as a shield between the signal carrying lines. Material encapsulated magneto-electric antennas are configured into antenna arrays on a PCB or a RFIC package. Antenna arrays may comprise antennas having different directivity levels and may have asymmetric arrangement of antenna elements.

Abstract: Opposite-side frequency bands are opened in a plurality of carrier aggregations. In a radio frequency module, a variable phase shifter differentiates a phase in a first single mode in which signals of a first frequency band are communicated and a phase in a first carrier aggregation mode and differentiates the phase in the first single mode and a phase in a second carrier aggregation mode. The variable phase shifter makes a phase difference between the phase in the first single mode and the phase in the first carrier aggregation mode different from a phase difference between the phase in the first single mode and the phase in the second carrier aggregation mode.

Abstract: A radio frequency module includes a module board, a transmission power amplifier, a first inductance element connected to an output terminal of the transmission power amplifier, a reception low-noise amplifier, and a second inductance element connected to an input terminal of the reception low-noise amplifier. The first inductance element is mounted on a first principal surface of the module board, and the second inductance element is mounted on a second principal surface of the module board.

Abstract: A signal amplifying circuit device comprises a mixer and a first and second amplifiers connected in series, where the mixer is configured to receive an RF signal and two LO signals with a preset phase difference therebetween and output a first and a second mixed signals, the first amplifier includes a first input terminal for receiving the first mixed signal, a second input terminal for receiving the second mixed signal, and a first and second output terminals, the second amplifier includes a first input terminal connected to the first output terminal of the first stage of amplifier at a first joint, a second input terminal connected to the second output terminal of the first stage of amplifier at a second joint, a first output terminal, and a second output terminal. A receiver including the signal amplifying circuit device is also disclosed.

Abstract: A n-bit Successive Approximation Register Analog-to-Digital Converter, SAR ADC, is provided. The SAR ADC comprises a respective plurality of sampling cells for each bit of the n-bit of the SAR ADC. Each sampling cell comprises a capacitive element coupled to a cell output of the sampling cell in order to provide a cell output signal. Further, each sampling cell comprises a first cell input for receiving a first signal, and a first switch circuit capable of selectively coupling the first cell input to the capacitive element. Each cell additionally comprises a second cell input for receiving a second signal, and a third cell input for receiving a third signal. The third signal exhibits opposite polarity compared to the second signal. Each sampling cell comprises a second switch circuit capable of selectively coupling one of the second cell input and the third cell input to the capacitive element. The SAR ADC further comprises at least one comparator circuit coupled to the sampling cells.

Abstract: A device includes a coil configured in a loop topology starting from a first end and extending to a second end, a pair of inward extension legs configured to extend from the first end and the second end toward an interior side of the coil to a third end and a fourth end, respectively, a pair of outward extension legs configured to extend from the first end and the second end toward an exterior side of the coil to a fifth end and a sixth end, respectively, a first capacitor configured to provide a capacitive coupling between the first end and the second end, a second capacitor configured to provide a capacitive coupling between the third end and the fourth end, and a third capacitor configured to provide a capacitive coupling between the fifth end and the sixth end.

Abstract: A radio frequency module includes: a multilayer substrate that includes a plurality of insulator layers; an amplifying circuit that is provided on the multilayer substrate and amplifies a radio frequency signal; a power supply circuit that is provided on the multilayer substrate and supplies power to the amplifying circuit; a ground conductor that is a first conductor pattern having a ground potential and used in the amplifying circuit; and a ground conductor that is a second conductor pattern having a ground potential and used in the power supply circuit. The ground conductors are physically separated from each other and provided in internal layers of the multilayer substrate.

Abstract: A packaged module for use in a wireless communication device has a substrate supporting a crystal and a first die that includes at least a microprocessor and one or more of radio frequency transmitter circuitry and radio frequency receiver circuitry. The first die is disposed between the crystal and the substrate. An overmold encloses the first die and the crystal. The substrate also supports a second die that includes at least a power amplifier for amplifying a radio frequency input signal, where the second die is disposed on an opposite side of the substrate from the first die and the crystal.

Abstract: Circuits and methods related to radio-frequency (RF) architectures having carrier aggregation. In some implementations, a carrier aggregation (CA) architecture can include a duplexer configured to provide duplexing functionality for a first frequency band and a second frequency band with a common antenna. The CA architecture can further include a first amplification path and a second amplification path coupled to respective ports of the duplexer, each of the first amplification path and the second amplification path configured to amplify a signal in its respective frequency band, each amplification path including a transmit/receive (TX/RX) switch configured to provide time-division duplexing (TDD) functionality for the amplified signal and a received signal. In some implementations, the first frequency band includes a B39 band, and the second frequency band includes a B41 band.

Abstract: In an amplification apparatus according to the present disclosure, a combining unit combines an output signal of a first amplifier provided at a first branch with an output signal of a second amplifier provided at a second branch and outputs the combined signal. A non-linearity compensation unit multiplies an input baseband signal by a non-linearity compensation coefficient for compensating non-linearity of the entire apparatus, a first deviation compensation unit multiplies a first branch signal by a first deviation compensation coefficient for compensating an inter-branch deviation, and a second deviation compensation unit multiplies a second branch signal by a second deviation compensation coefficient for compensating the inter-branch deviation.

Abstract: A radio-frequency switch includes a first switch circuit including a first common terminal, at least two first selection terminals, a first switch that selectively connects the first common terminal and the at least two first selection terminals to each other, and a first shunt switch that switches the first common terminal and ground between a conductive state and a non-conductive state with each other, and a second switch circuit including a second common terminal that is connected to the first common terminal, at least two second selection terminals, and a second switch that selectively connects the second common terminal and the at least two selection terminals to each other.

Abstract: A radio frequency switch is disclosed. The RF switch uses a combination of transistor technology and a topology to create an RF switch that has a high isolation and a high voltage breakdown at frequencies including those above a gigahertz.

Abstract: An RF switch for connecting an antenna to a transceiver is described. The RF switch includes a first switchable capacitor arranged between a first terminal and a common terminal and a second switchable capacitor arranged between a second terminal and the common terminal. Each of the first and second switchable capacitors are switchable between a pass state and a blocking state. The capacitance value in the pass state is higher than the capacitance value in the blocking state.

Abstract: A radio-frequency device comprises a first transistor including a first set of fingers having a first finger-to-finger spacing in a width dimension of the first transistor, and a second transistor in a series connection with the first transistor, the second transistor including a second set of fingers having a second finger-to-finger spacing in the width dimension that is greater than the first finger-to-finger spacing.

Abstract: A high-frequency device manufacturing method is provided. The method includes providing a substrate; forming a conductive material on the substrate; standing the substrate and the conductive material for a first time duration; forming a conductive layer by sequentially repeating the steps of forming the conductive material and standing at least once; and patterning the conductive layer. The thickness of the conductive layer is in a range from 0.9 ?m to 10 ?m. A high-frequency device is also provided.

Abstract: An apparatus includes a battery, a plurality of circuit components operable independently, and a controller coupled to the battery and the plurality of circuit components and configured to control operation of the plurality of circuit components. The apparatus further includes a power consumption monitor coupled to the controller and configured to calculate a remaining battery life of the battery based on at least one operating time of a corresponding at least one of the plurality of circuit components.

Abstract: The systems and processes described herein can reduce the footprint of the internal devices of a wireless device by combining the DC-DC supply regulator with a FEM. Further, the device footprint can be further reduced by sharing the integrated DC-DC supply regulator among multiple FEMs reducing or eliminating the use of a separate DC-DC supply regulator for each FEM of a wireless device. Moreover, in certain embodiments, by integrating the DC-DC supply regulator into a 2G FEM, power efficiency can be improved for some wireless devices. For example, the DC-DC supply regulator may be used to supply power to a PA used for high-band 2G transmission functions. Using the DC-DC supply regulator can improve power efficiency compared to systems that supply the power for the high-band 2G PA directly from the power supply (e.g., the battery).

Abstract: An energy storage system for use in a renewable energy power system is provided. More particularly, an energy storage system can be coupled to the DC bus of a power converter in a renewable energy power system. A switching power supply can be coupled between the energy storage device and the DC bus of the power converter. The switching power supply can include a bi-directional resonant DC to DC converter. The bi-directional resonant converter can include a plurality of switching elements, a resonant circuit coupled to the at least one switching element, and a filtering circuit coupled to the resonant circuit. The bi-directional resonant converter can be configured to accommodate power flow in at least two directions.

Abstract: A method and an apparatus for transmitting a signal by using a plurality of radio units (RUs) to a user equipment (UE). The apparatus is configured to: determine an RU set including at least two RUs of the plurality of the RUs based on a feedback regarding a received strength of a transmission beam formed by the plurality of the RUs, wherein the feedback is received from the UE; determine a distributed precoding matrix of which a diversity order is predetermined based on information about an RU included in the RU set; and perform a precoding based on the distributed precoding matrix and transmitting a precoded signal to the UE through the RU set.

Abstract: Circuits and methods related to radio-frequency (RF) architectures having carrier aggregation. In some implementations, a carrier aggregation (CA) architecture can include a duplexer configured to provide duplexing functionality for a first frequency band and a second frequency band with a common antenna. The CA architecture can further include a first amplification path and a second amplification path coupled to respective ports of the duplexer, each of the first amplification path and the second amplification path configured to amplify a signal in its respective frequency band, each amplification path including a transmit/receive (TX/RX) switch configured to provide time-division duplexing (TDD) functionality for the amplified signal and a received signal. In some implementations, the first frequency band includes a B39 band, and the second frequency band includes a B41 band.

Abstract: A radio frequency front end (RFFE) is configured to support dual connectivity communications, in which two different radio access technologies such as LTE and NR are used simultaneously for uplink communications from a wireless communications device to a base station. The RFFE has two channels and two respectively associated antennas. The first channel transmits an NR signal from the first antenna. The second channel transmits an LTE signal from the second antenna. For reception, the first channel produces a main NR receive signal and LTE diversity signal. The second channel produces a main LTE receive signal and an NR diversity signal.

Abstract: A method of reforming an insulating film deposited on a substrate having a recess pattern constituted by a bottom and sidewalls, includes: providing the film deposited on the substrate having the recess pattern in an evacuatable reaction chamber, wherein a property of a portion of the film deposited on the sidewalls is inferior to that of a portion of the film deposited on a top surface of the substrate; adjusting a pressure of an atmosphere of the reaction chamber to 10 Pa or less, which atmosphere is constituted by H2 and/or He without a precursor and without a reactant; and applying RF power to the atmosphere of the pressure-adjusted reaction chamber to generate a plasma to which the film is exposed, thereby reforming the portion of the film deposited on the sidewalls to improve the property of the sidewall portion of the film.

Abstract: A signal transmission device comprises: a first lead frame having a first major surface and a second major surface opposite to the first major surface; a second lead frame having a third major surface and a fourth major surface and isolated from the first lead frame, the fourth major surface located opposite to the third major surface; a transmission circuit that sends a transmission signal, the transmission circuit located on the first major surface of the first lead frame; a receiving circuit located on the third major surface of the second lead frame; and an electromagnetic resonance coupler located across between the second major surface of the first lead frame and the fourth major surface of the second lead frame to transmit the transmission signal, sent by the transmission circuit, to the receiving circuit in a contactless manner.

Abstract: A processing path may include a controller and a plurality of processing paths including a first processing path and a second processing path. The first path may be configured to generate a first digital signal based on an analog input signal and the second path may be configured to generate a second digital signal based on the analog input signal, wherein the first path has a lower gain and a higher noise floor than the second path. The controller may be configured to determine that a transition between the first path and the second path needs to occur based on the analog input signal crossing a threshold or a prediction that the input signal will cross the threshold and in response to determining the transition between the first path and the second path needs to occur, blend the transition during or near zero cross points of the analog input signal.

Abstract: A system may include control circuitry for detecting a plosive event associated with a microphone transducer and in response to the plosive event, causing restoration of acoustic sense operation of the microphone transducer and a processing circuit associated with the microphone transducer. A system for configuring a filter having at least two frequency response configurations to achieve an effective frequency response configuration intermediate to the at least two frequency response configurations may include control circuitry for rapidly switching between the at least two frequency response configurations such that a weighted average frequency response of the filter corresponds to the effective frequency response configuration.

Abstract: One or more systems and techniques for limiting a voltage potential between an antenna and a radio-frequency switch circuit are provided. A voltage controller comprises a voltage generator, a voltage detection circuit and a switch cell. The voltage detection circuit is coupled to the voltage generator and to the switch cell, and the switch cell is coupled to a voltage source, and to a node between the radio-frequency switch circuit and the antenna. When the voltage potential exceeds a specified threshold, the voltage generator produces a voltage which the voltage detection circuit measures such that the voltage detection circuit activates the switch cell, resulting in a short circuit between the radio-frequency switch circuit and the voltage source. This serves to inhibit the voltage potential from exceeding the specified threshold, for example.