Abstract: Aspects herein describe VSWR-tolerant operation of wireless communication devices. One aspect involves setting, using control circuitry of the wireless communication apparatus, a mission mode for an output transmission (Tx) power amplifier, measuring, using an output power detector, an output power of the output Tx power amplifier operating in the mission mode, measuring, using an input power detector, an input power to the output Tx power amplifier associated with the output power, sampling a thermistor signal to determine a junction temperature associated with the output power, calculating, using the control circuitry, a gain value for the output Tx power amplifier using the input power and the output power, comparing, using the control circuitry; the gain value with a temperature calibrated reference gain value selected using the junction temperature, and adjusting a power amplifier bias when the gain value is different from the temperature calibrated reference gain value.

Abstract: An apparatus for wireless communications includes a power amplifier, a low-noise amplifier, a power detector, and a transformer. The transformer includes a first inductor coupled to an output of the power amplifier, and a second inductor coupled to an antenna, wherein the second inductor is magnetically coupled with the first inductor. The transformer also includes a third inductor coupled to an input of the low-noise amplifier, wherein the third inductor is magnetically coupled with the second inductor. The transformer also includes a coupling inductor coupled to an input of the power detector, wherein the coupling inductor is magnetically coupled with at least one of the first inductor and the second inductor.

Abstract: A radio frequency integrated circuit (RFIC), including a power amplifier (PA) connected to an antenna through a first electromagnetic (EM) element, the PA configured to receive a transmit signal from a second EM element, a low noise amplifier (LNA) connected to the first EM element and the second EM element, the power amplifier and the LNA comprising separate amplifier cores, and wherein the first EM element comprises a first plurality of interwound windings occupying a first common area and the second EM element comprises a second plurality of interwound windings occupying a second common area.

Abstract: An apparatus is disclosed for oscillator feedthrough calibration, such as a component arrangement that can be calibrated to account for signal leakage from an oscillator coupled to a mixer circuit. In example aspects, the apparatus includes a mixer circuit having a first stage, a second stage, and tuning circuitry. The first stage includes at least one transistor coupled between a mixer input and a mixer output. The second stage includes one or more transistors coupled between the at least one transistor of the first stage and the mixer output. The one or more transistors are also coupled between a local oscillator signal input and the mixer output. The tuning circuitry includes at least one current source coupled to the at least one transistor of the first stage.

Abstract: A system and method for managing software application test interaction may include: obtaining, by a processor, initial actuation data associated with user actuation of a webpage object, the webpage object being associated with a server-side data object; obtaining, by the processor, server-side data associated with the actuation data and with the server-side data object; generating, by the processor, contextual data object actuation display data based on the initial actuation data and on the server-side data; and causing, by the processor, display of the contextual data object actuation display data. Such a solution addresses issues with existing approaches by automating, for example recording and playing back, actions including clicking on a specific location within a static interface, where a different action is performed depending on the location of the click.

Abstract: A system and method for managing software application test interaction may include: obtaining, by a processor, initial actuation data associated with user actuation of a webpage object, the webpage object being associated with a server-side data object; obtaining, by the processor, server-side data associated with the actuation data and with the server-side data object; generating, by the processor, contextual data object actuation display data based on the initial actuation data and on the server-side data; and causing, by the processor, display of the contextual data object actuation display data. Such a solution addresses issues with existing approaches by automating, for example recording and playing back, actions including clicking on a specific location within a static interface, where a different action is performed depending on the location of the click.

Abstract: A system and method for managing software application test interaction may include: obtaining, by a processor, initial actuation data associated with user actuation of a webpage object, the webpage object being associated with a server-side data object; obtaining, by the processor, server-side data associated with the actuation data and with the server-side data object; generating, by the processor, contextual data object actuation display data based on the initial actuation data and on the server-side data; and causing, by the processor, display of the contextual data object actuation display data. Such a solution addresses issues with existing approaches by automating, for example recording and playing back, actions including clicking on a specific location within a static interface, where a different action is performed depending on the location of the click.

Abstract: Testing of at least one source by a destination is provided, which comprises: (i) the destination supplies a test signal towards the at least one source; (ii) at the at least one source, determining a second output signal based on a first output signal and the test signal via a first function; (iii) conveying the second output signal to the destination; (iv) at the destination, determining a received signal based on the second output signal received from the at least one source and based on the test signal via a second function; and (v) determining whether an error occurred based on the received signal. Also, an according system is provided.

Abstract: A method of self-testing a transceiver integrated circuit substrate includes: providing a test signal to a transmission line that is communicatively coupled, or selectively communicatively coupled, to an input of a power amplifier of a first transceiver subcircuit of the transceiver integrated circuit substrate; providing the test signal from the transmission line to an LNA of an LNA of a second transceiver subcircuit of the transceiver integrated circuit substrate; and measuring the test signal before amplification by the LNA, or after amplification by the LNA, or both.

Abstract: Aspects include amplifiers with different units for improved performance. One amplifier has a first transistor with first gate is coupled to a control input, and a first drain is coupled to a first terminal of an output, a second transistor with a second gate is coupled to the control input, and a second drain is coupled to a second terminal of the output. The amplifier has a third transistor with a third drain coupled to the first transistor source, and a third gate is coupled to a first terminal of an input, and a fourth transistor with a fourth drain is coupled to the second transistor source, and a fourth source gate is coupled to a second terminal of the input, where the first transistor source is not connected to the second transistor drain via one or more transistors.

Abstract: A method of generating hydrogen gas including applying a potential of greater than 0 to 1.0 volts (V) to an electrochemical cell. The electrochemical cell is at least partially submerged in an aqueous solution. On applying the potential the aqueous solution is reduced thereby forming hydrogen gas. The electrochemical cell includes an electrocatalyst and a counter electrode. The electrocatalyst includes a substrate, strontium titanate (SrTiO3) nanoparticles, and cadmium selenide (CdSe) nanoparticles. The SrTiO3 nanoparticles have a substantially spherical shape. The CdSe nanoparticles have a polygon shape. The CdSe nanoparticles are distributed within a network of the SrTiO3 nanoparticles on the surface of the substrate.

Abstract: A method for producing a hydrocarbon enriched bio-oil can include producing lignin from equal proportions of wheat straw and corn stover, pyrolyzing the lignin in the presence of an inert gas to provide a bio-oil; adding a nickel-impregnated carbon nanotube (Ni-CNT) catalyst to the bio-oil to provide a mixture; and heating the mixture to provide a hydro-carbon enriched bio-oil.

Abstract: A loofah sponge enriched with steam activated biochar for removing arsenic from water. The loofah sponge can be a filtering media within a transparent acrylic cylinder. The filtering media can be used in methods and systems for removing arsenic from wastewater.

Abstract: In certain aspects, a method is provided for measuring power using a resistive element coupled between a power amplifier and an antenna. The method includes squaring a voltage from a first terminal of the resistive element to obtain a first signal, squaring a voltage from a second terminal of the resistive element to obtain a second signal, and generating a measurement signal based on a difference between the first signal and the second signal. In some implementations, the resistive element is implemented with a power switch.

Abstract: In certain aspects, an apparatus includes a first amplifier having a first output and a second output, and a transformer. The transformer includes a first switchable inductor coupled between the first output and the second output, a first capacitor coupled in parallel with the first switchable inductor, a second switchable inductor magnetically coupled to the first switchable inductor, a second capacitor coupled in parallel with the second switchable inductor, a third switchable inductor magnetically coupled to the first switchable inductor, and a third capacitor coupled in parallel with the third switchable inductor.

Abstract: Embodiments of the disclosed technologies receive a request including a user identifier and metadata associated with a slot available at a user system, remove the user identifier from the request to produce anonymized request data, receive, from a machine learning model, superposition data that correlates with the anonymized request data, send the superposition data for the anonymized request data to a real-time content-to-request matching process, receive, from the real-time content-to-request matching process, an identifier that identifies a content distribution selected based on the superposition data, and initiate the selected content distribution through the network to the slot in response to the request.

Abstract: A phased array element includes a transmit portion having a plurality of amplifier paths, each amplifier path having a driver amplifier and a power amplifier, a first transformer coupled to the power amplifier of a first amplifier path of the plurality of amplifier paths and a second transformer coupled to the power amplifier of a second amplifier path of the plurality of amplifier paths, a secondary winding of each of the first transformer and the second transformer coupled together by a common transformer segment, a transmit phase shifter switchably coupled to the plurality of amplifier paths, a receive portion coupled to the second transformer, the receive portion having a receive path having a low noise amplifier (LNA), and a receive phase shifter coupled to the LNA.

Abstract: A millimeter wave (mmW) communication system located on a millimeter wave integrated circuit (MMW-IC) includes a phase shifter selectively connected to a receive path by a first electromagnetic (EM) element and selectively connected to a transmit path by a second EM element, the first EM element configured to receive a transmit signal and configured to receive a receive signal from a low noise amplifier (LNA), the second EM element configured to receive a phase shifted transmit signal or a phase shifted receive signal from the phase shifter, and wherein the second EM element is configured to selectively provide the phase shifted transmit signal to a power amplifier on the mmW-IC and the phase shifted receive signal to receive signal processing circuitry located off of the mmW-IC.

Abstract: An apparatus includes a power amplifier, a first inductor coupled to the power amplifier, a second inductor magnetically coupled with the first inductor, and an impedance matching circuit having a first terminal and a second terminal, wherein the first terminal is coupled to the second inductor, and the second terminal is coupled to an antenna port. The impedance matching circuit includes a third inductor coupled between the first terminal and the second terminal, wherein the third inductor overlaps the first inductor and the second inductor, and one or more capacitors coupled to the third inductor.

Abstract: A microcontroller unit includes at least one core, a plurality of safety fault management units, with each safety fault management unit including circuitry to detect one or more safety faults and to output an alarm signal in response to detection of one or more safety faults. The microcontroller further includes system control units operating in parallel to the at least one core. Each of the plurality of system control units can be coupled to at least one of the safety fault management units and can include hardware circuitry to generate and output a port emergency stop (PES) signal based on the alarm signals obtained from a safety fault management unit. The microcontroller includes port circuitries coupled to ports and to the system control units. The port circuitries can selectively cause a respectively connected port to enter a non-operational electronic state in response to receiving a PES signal.