Abstract: A packaged semiconductor device is provided. The packaged semiconductor device includes a semiconductor die affixed to a package substrate. A conductive connector is affixed to the package substrate. A collar is formed around a perimeter of the conductive connector at a conductive connector to package substrate transition. A reinforcement structure is embedded in the collar. The reinforcement structure substantially surrounds the conductive connector at the conductive connector to package substrate transition.

Abstract: A voltage limiter incorporated in a radio frequency identification (RFID) integrated circuit (IC) for a RFID tag is disclosed. The RFID IC includes a radio frequency (RF) rectifier and a clock generator. The RF rectifier is configured to convert an AC signal received from an antenna incorporated in the RFID tag to a DC signal. The voltage limiter includes a current sink device coupled between output of the RF rectifier and ground and a charge pump to control conduction of current through the current sink device to limit output voltage of the RF rectifier to a predefined voltage level.

Abstract: A system includes a radio frequency (RF) signal source configured to supply an RF signal. An electrode is coupled to the RF signal source and a transmission path is between the RF signal source and the electrode. The transmission path is configured to convey the RF signal from the RF signal source to the electrode to cause the electrode to radiate RF electromagnetic energy into a cavity. Power detection circuitry is coupled to the transmission path and configured to repeatedly measure RF power values including at least one of forward RF power values and reflected RF power values along the transmission path. A controller is configured to determine that a load in the cavity is a low-loss load based on a rate of change of the RF power values, and cause the RF signal source to supply the RF signal with the one or more desired signal parameters.

Abstract: Embodiments of an apparatus and method are disclosed. In an embodiment, a method of enabling and disabling of links in the system a multi-link communications system comprises receiving, by a first multi-link device in the multi-link communications system, a status change information of a link in the multi-link communications system for the first multi-link device from an enabled status to a disabled status, and in response to the status change information, at least partially resetting, by the first multi-link device, parameters related to per-link operations for the link.

Abstract: A communication device is configured to exchange regular data bidirectionally with counterpart communication device via a regular interface; and to exchange additional data bidirectionally with the counterpart device via an additional interface. The device has a regular pinout corresponding to the regular interface that enables communication of regular data with the counterpart device; and an additional pinout with at least one additional pin, corresponding to the additional interface that enables communication of additional data with the counterpart device. The device has default data handling circuitry communicatively coupled to the additional pin, and configured, in a default mode, to transmit and receive additional default data via the additional pin. The first device has additional function data handling circuitry communicatively coupled to the additional pin and configured, in an active mode, to transmit and receive additional function data via the additional interface.

Abstract: Embodiments of methods of communications, communications devices, and redrivers are disclosed. In an embodiment, a method of communications involves enabling a Loss of Signal (LOS) detector and a Low Frequency Periodic Signaling (LFPS) detector connected to a communications channel, using a digital logic circuit, combining an output of the LOS detector and an output of the LFPS detector to generate a combined LFPS output, and outputting the combined LFPS output and the output of the LOS detector to control data communications through the communications channel.

Abstract: A high-speed comparator circuit is provided. The circuit includes an amplifier portion, a latch portion, and a negative capacitance portion. The amplifier portion includes an input coupled to receive an analog signal and an output. The latch portion is coupled to the amplifier portion. The latch portion is configured to provide at the output a digital value based on the analog signal. The negative capacitance portion is coupled to the output. The negative capacitance portion is configured to cancel parasitic capacitance coupled at the first output.

Abstract: One example discloses a multi-radio device, including: a controller configured to be coupled to a first radio that is configured to transmit a first signal, and a second radio that is configured to transmit a second signal; wherein the controller includes a detection element configured to detect a third signal generated in response to simultaneous transmission of the first and second signals; wherein the controller includes a decision element configured to modulate one or more information packets in the first and second signals in response to the third signal.

Abstract: A system for localizing an ultra-wide band (UWB) apparatus comprises a UWB transceiver that identifies and extracts features of at least one channel impulse response (CIR); and a special-purpose processor that applies a machine learning classification process to the extracted CIR features to localize the UWB apparatus in a vehicle.

Abstract: An apparatus including a transmitter including a pulsed Radio Frequency (RF) source coupled to an antenna. A receiver includes an amplifier coupled to the antenna. A controller is configured to adjust one or more durations of a ranging cycle of the apparatus, wherein the ranging cycle includes a first duration of a gated mode and a second duration of a non-gated mode. The gated mode blinds the amplifier during a transmission of the transmitter. The non-gated mode reduces a gain of the amplifier during the transmission.

Abstract: Embodiments of a device and a method for multi-link operations are disclosed. In an embodiment, a device includes a processor configured to perform a first backoff operation on a first link and a second backoff operation on a second link of a multi-link device (MLD) that has a non-simultaneous transmission and reception capability (NSTR MLD), and transmit a first Physical Layer Convergence Protocol (PLCP) Protocol Data Unit (PPDU) on the first link at a first start time after the first backoff operation and a second PPDU on the second link at a second start time after the second backoff operation.

Abstract: The disclosure relates to a bandgap reference voltage circuit, in which an output reference voltage is stable with respect to temperature and other variations. Example embodiments include a bandgap reference voltage circuit comprising an output voltage circuit and a plurality, n, of offset amplifiers connected between first and second voltage rails, each of the plurality of offset amplifiers comprising a differential pair of transistors that together define an offset between an input voltage at an input and an output of the amplifier, the offset amplifiers being chained together and connected to the output voltage circuit that provides a bandgap reference voltage dependent on a sum of the offsets of the plurality of offset amplifiers.

Abstract: Systems and methods for correction of sigma-delta analog-to-digital converters (ADCs) using neural networks are described. In an illustrative, non-limiting embodiment, a device may include: an ADC; a filter coupled to the ADC, where the filter is configured to receive an output from the ADC and to produce a filtered output; and a neural network coupled to the filter, where the neural network is configured to receive the filtered output and to produce a corrected output.

Abstract: Communications may be effected in a communications environment involving a plurality channels having disparate bandwidth and channel center frequency indexes. Communications are effected using first communications type with a first channel bandwidth and first channel center frequency index. Communications are also effected via a second communications type using a separate set of fields indicating a second channel bandwidth and a second channel center frequency index, the second channel bandwidth being different than the first channel bandwidth and the second channel center frequency index being different than the first channel center frequency index. The channel center frequency index and bandwidth communicated in each communication may utilize separate subfields.

Abstract: A bias current generator circuit includes a current path and a leakage control circuit. The current path is connected between a supply voltage and a ground level. The current path includes a transistor and a resistor. The transistor has a current channel connected in the current path. The resistor has an upper terminal and a lower terminal connected in the current path, and a well contact to allow a reverse leakage current of the resistor to flow through. The leakage control circuit is connected to the supply voltage. The leakage control circuit includes a driving transistor to provide a driving voltage to the well contact of the resistor, and to allow the reverse leakage current of the resistor to flow into the leakage control circuit.

Abstract: A wireless communication system including a radio, a processing circuit including a processor and wake on radio circuitry. The wake on radio circuitry uses programmed descriptors to autonomously schedule transitioning into and out of sleep mode to periodically awaken and turn on the radio and perform at least one radio frequency deterministic function while the processor remains in a low power state. The deterministic functions may include a receive function, a transmit function, or a combination of both. The descriptors may be programmed according to any one of different scheduling modes supported by different communication protocols including a timeslot mode and a constant-interval mode. The wake on radio circuitry includes a scheduler that coordinates with protocol circuitry of the radio for performing one or more deterministic functions. The scheduler may program a sleep controller for scheduling sleep modes between communication sessions for performing the deterministic functions.

Abstract: A WLAN AP includes an array of antennas, a transceiver and a processor. The transceiver is configured to transmit via the array of antennas downlink packets to WLAN STAs, and to receive uplink packets from the STAs. The processor is coupled to the transceiver and is configured to send a request to a plurality of the STAs to transmit a respective plurality of channel-sounding packets corresponding to the plurality of STAs, to receive the plurality of channel-sounding packets from the plurality of STAs in response to the request, to compute, based on the received plurality of channel-sounding packets, a beamforming matrix that defines subsequent transmission beams aimed toward at least a subset of the plurality of STAs, and to transmit one or more downlink data packets to one or more of the STAs via the array of antennas, in accordance with the beamforming matrix.

Abstract: Exemplary aspects are directed to or involve a radar transceiver to transmit signal and receive reflected radar signals via a communication channel. The exemplary method includes radar receiver data processing circuitry that may be used to differentiate a subset of representations of the received signals. This differentiation may be used to select signals that are more indicative of target(s) having a given range than other ones of the received signals. The received signal's representations may then be compressed by using variable-mantissa floating-point numbers having mantissa values that vary based, at least in part, on at least one strength characteristic of the respective representations.

Abstract: A system for providing an enhanced acknowledgement (ENH-ACK) frame is configured to receive an incoming packet transmitted by an external device, determine that an ENH-ACK response is required based on a MAC header of the incoming packet schedule transmission of the ENH-ACK frame to the external device in accordance with a standard turnaround time limit relative to receipt of the incoming packet, determine contents of one or more packet processed fields of the ENH-ACK frame and populate the one or more packet processed fields, and complete transmission of the ENH-ACK frame with the populated packet processed fields.

Abstract: A semiconductor device having an integrated antenna is provided. The semiconductor device includes a base die having an integrated circuit formed at an active surface and a cap die bonded to the backside surface of the base die. A metal trace is formed over a top surface of the cap die. A cavity is formed under the metal trace. A conductive via is formed through the base die and the cap die interconnecting the metal trace and a conductive trace of the integrated circuit.