Abstract: In some examples, a system includes a digital-to-analog converter (DAC) configured to operate at a clock rate; a mixer configured to up-convert an intermediate-frequency (IF) signal from the DAC to a radio-frequency (RF) signal based on a local oscillator (LO) signal; and an RF filter configured to generate a filtered signal by at least removing, from the RF signal, frequency components greater than a difference between a frequency of the LO signal and one-half of the clock rate and less than a sum of a frequency of the LO signal and one-half of the clock rate, wherein an output node of the RF filter is configured to be coupled to an antenna for transmission of the filtered signal.

Abstract: In some examples, a system includes a digital-to-analog converter (DAC) configured to operate at a clock rate; a mixer configured to up-convert an intermediate-frequency (IF) signal from the DAC to a radio-frequency (RF) signal based on a local oscillator (LO) signal; and an RF filter configured to generate a filtered signal by at least removing, from the RF signal, frequency components greater than a difference between a frequency of the LO signal and one-half of the clock rate and less than a sum of a frequency of the LO signal and one-half of the clock rate, wherein an output node of the RF filter is configured to be coupled to an antenna for transmission of the filtered signal.

Abstract: A jump arm assembly for a tilling machine includes a jump arm and a disc hub assembly. The jump arm has a first end coupled to a frame unit of the tilling machine and a second end opposite the first end. The disc hub assembly includes a an arm end configured to be fixedly secured to the second end of the jump arm, and an opposing disc end. A first plane defined by the arm end of the disc hub assembly is arranged in non-parallel relation with respect to a second plane defined by the disc end of the disc hub assembly.

Abstract: A jump arm assembly for a tilling machine includes a jump arm and a disc hub assembly for coupling a tilling disc to the jump arm. The jump arm has a first end configured to be coupled to a frame unit of the tilling machine and a second end opposite the first end. The disc hub assembly includes a hub housing and a shaft having a first axial shaft section and a second axial shaft section. The first axial shaft section is configured to be rotatably mounted within the hub housing. The second axial shaft section extends outwardly from the hub housing and is at least partially threaded to receive a threaded nut to secure the tilling disc to the disc hub assembly.

Abstract: A jump arm apparatus for a tilling machine includes a jump arm frame unit having a triangular transverse cross-section and a plurality of jump arms assemblies coupled to the jump arm frame unit. Each jump arm unit includes a jump arm having first and second ends, with the first end coupled to be coupled to the jump arm frame unit via a clamp unit and the second end configured to be coupled to a tilling disc.

Abstract: A tilling machine includes a frame having a jump arm frame unit and a plurality of jump arm assemblies supported along a length of the jump arm frame unit such that a lateral gap is defined between each adjacent pair of jump arm assemblies of the plurality of jump arm assemblies. Additionally, the tilling machine includes a plurality of jump arm spacers, with each jump arm spacer being provided in operative association with a clamp unit of a respective jump arm assembly of the plurality of jump arm assemblies to maintain the lateral gap between each adjacent pair of jump arm assemblies.

Abstract: In some examples, a system includes at least two antennas configured to receive signals encoding first, second, and third messages in first, second, and third frequency bands. The system also includes a set of splitters configured to generate separate signals in the first, second, and third frequency bands. The system further includes a set of combiners, wherein each combiner of the set of combiners is configured to combine two or more of the separate signals. The system includes a set of mixers configured to down-convert the combined signals and at least one analog-to-digital converter configured to sample the down-converted signals. The system also includes processing circuitry configured to determine data in the first, second, and third messages based on an output of the at least one analog-to-digital converter.

Abstract: A device and techniques for generating and filtering a signal for transmission, such as the signal used to interrogate distance measuring equipment (DME), which may be tuned to a channel or frequency selected from a wide bandwidth. A system according to the techniques of this disclosure may generate a narrow band intermediate frequency (IF) signal with desired pulse characteristics, mix the IF signal with a local oscillator (LO) to upconvert to the desired radio frequency (RF) signal, then filter the upconverted RF signal through one of several narrow band filters in a filter bank to remove any undesired signal images. The system may select the filter from the filter bank depending on the transmitted RF frequency. In this manner the system of this disclosure may generate signals to span a wide RF bandwidth by using a narrow bandwidth IF signal generator.

Abstract: An effective dried attractive toxic bait station that acts as a lure and kill device for Ae. aegypti and other mosquitoes. The bait station is a simulated refuge at least part of which is coated with a dried mixture of poison and sugar forming a dried toxic sugar-containing bait. The simulated refuge attracts Ae. aegypti and other mosquitoes to bait station and encourages them to land on the coated portion. Once a mosquito has landed, it detects the sugar in the dried mixture of sugar and poison and ingests some of it. Once ingested, the dried mixture of poison and sugar will eventually kill the mosquito.

Abstract: A jump arm apparatus for a tilling machine includes a jump arm frame unit having a triangular transverse cross-section and a plurality of jump arms assemblies coupled to the jump arm frame unit. Each jump arm unit includes a jump arm having first and second ends, with the first end coupled to be coupled to the jump arm frame unit via a clamp unit and the second end configured to be coupled to a tilling disc.

Abstract: A jump arm assembly for a tilling machine includes a jump arm and a disc hub assembly. The jump arm has a first end coupled to a frame unit of the tilling machine and a second end opposite the first end. The disc hub assembly includes a an arm end configured to be fixedly secured to the second end of the jump arm, and an opposing disc end. A first plane defined by the arm end of the disc hub assembly is arranged in non-parallel relation with respect to a second plane defined by the disc end of the disc hub assembly.

Abstract: A jump arm assembly for a tilling machine includes a jump arm and a disc hub assembly for coupling a tilling disc to the jump arm. The jump arm has a first end configured to be coupled to a frame unit of the tilling machine and a second end opposite the first end. The disc hub assembly includes a hub housing and a shaft having a first axial shaft section and a second axial shaft section. The first axial shaft section is configured to be rotatably mounted within the hub housing. The second axial shaft section extends outwardly from the hub housing and is at least partially threaded to receive a threaded nut to secure the tilling disc to the disc hub assembly.

Abstract: A tilling machine includes a frame having a jump arm frame unit and a a plurality of jump arm assemblies supported along a length of the jump arm frame unit such that a lateral gap is defined between each adjacent pair of jump arm assemblies of the plurality of jump arm assemblies. Additionally, the tilling machine includes a plurality of jump arm spacers, with each jump arm spacer being provided in operative association with a clamp unit of a respective jump arm assembly of the plurality of jump arm assemblies to maintain the lateral gap between each adjacent pair of jump arm assemblies.

Abstract: A device and techniques for generating and filtering a signal for transmission, such as the signal used to interrogate distance measuring equipment (DME), which may be tuned to a channel or frequency selected from a wide bandwidth. A system according to the techniques of this disclosure may generate a narrow band intermediate frequency (IF) signal with desired pulse characteristics, mix the IF signal with a local oscillator (LO) to upconvert to the desired radio frequency (RF) signal, then filter the upconverted RF signal through one of several narrow band filters in a filter bank to remove any undesired signal images. The system may select the filter from the filter bank depending on the transmitted RF frequency. In this manner the system of this disclosure may generate signals to span a wide RF bandwidth by using a narrow bandwidth IF signal generator.

Abstract: An effective dried attractive toxic bait station that acts as a lure and kill device for Ae. aegypti and other mosquitoes. The bait station is a simulated refuge at least part of which is coated with a dried mixture of poison and sugar forming a dried toxic sugar-containing bait. The simulated refuge attracts Ae. aegypti and other mosquitoes to bait station and encourages them to land on the coated portion. Once a mosquito has landed, it detects the sugar in the dried mixture of sugar and poison and ingests some of it. Once ingested, the dried mixture of poison and sugar will eventually kill the mosquito.

Abstract: An effective dried attractive toxic bait station that acts as a lure and kill device for Ae. aegypti and other mosquitoes. The bait station is a simulated refuge at least part of which is coated with a dried mixture of poison and sugar forming a dried toxic sugar-containing bait. The simulated refuge attracts Ae. aegypti and other mosquitoes to bait station and encourages them to land on the coated portion. Once a mosquito has landed, it detects the sugar in the dried mixture of sugar and poison and ingests some of it. Once ingested, the dried mixture of poison and sugar will eventually kill the mosquito.

Abstract: Techniques for providing power to components of a computer system are described. An example of a computer system includes a plurality of server nodes and a power distribution system that provides power to the plurality of server nodes. The computer system also includes a hardware-based alert signal line that couples the power distribution system to the plurality of server nodes. If a power failure occurs, the power distribution system is to send an alert signal to all of the server nodes through the alert signal line. The alert signal triggers each server node to activate a low power state.

Abstract: An effective dried attractive toxic bait station that acts as a lure and kill device for Ae. aegypti and other mosquitoes. The bait station is a simulated refuge at least part of which is coated with a dried mixture of poison and sugar forming a dried toxic sugar-containing bait. The simulated refuge attracts Ae. aegypti and other mosquitoes to bait station and encourages them to land on the coated portion. Once a mosquito has landed, it detects the sugar in the dried mixture of sugar and poison and ingests some of it. Once ingested, the dried mixture of poison and sugar will eventually kill the mosquito.

Abstract: Methods and devices are disclosed driving one or more P-Intrinsic-N (PIN) diodes by receiving an input and generating a plurality of pulses based on the input, a first pulse of the plurality of pulses controls a rise time of an RF envelope generated by an RF interface and a second pulse of the plurality of pulses controls a fall time of the RF envelope generated by the RF interface. The methods and devices may further be disclosed combining the plurality of pulses to generate a drive signal, delivering the drive signal to the RF interface including one or more PIN diodes, and generating the RF envelope by driving the one or more PIN diodes with the drive signal, and the amplitude or a pulse width of the first pulse is independently adjustable from the amplitude or the pulse width of the second pulse.

Abstract: The invention relates to a network, and a method of operating a network. The network includes a plurality of stations each able to transmit and receive data so that the network can transmit data between stations via at least one selected intermediate station. Each station transmits probe signals in broadcast fashion to other stations to gather a list of neighbor stations. The stations transmit position data and/or position determining data in at least some of the probe signals. The position data includes data indicative of the absolute or relative position of a station transmitting a probe signal, and the position determining data includes data usable by a station receiving a probe signal to determine the absolute or relative position of the station and/or other stations. Each station maintains position data and/or position determining data received from selected probing stations, and utilizes the data to determine the absolute or relative position of itself and/or other stations.