Temperature Elements for Flight-Critical Equipment

FCI Aerospace’s (San Marcos, CA) AS-TE Temperature Element Series sensors utilize precision resistance temperature detectors (RTDs) to provide superior accuracy, repeatability and long-life. The AS-TE sensors are typically designed with Platinum RTD or MIL-T-7990 Nickel RTD sensors. The Platinum RTDs are available in several Ro (ice point resistance) values and in either two-, three- or four-wire configurations to ensure optimal performance and system compatibility.

The AS-TE Series sensors are fully qualified to comply with high vibration, severe shock, and high acceleration environments and specifications. They have been tested to perform after exposure to more than 100,000 temperature cycles from -40 to +300°F (-40 to +150°C). The standard temperature measuring ranges are -80 to 450°F (-62 to 232°C) and high temperature elements are available up to 800°F (427°C).

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Voice Coil Motor

The GVCM-051-127-01 Linear Voice Coil Motor is Moticont's (Van Nuys, CA) newest linear DC motor with internal shaft and bearing. The 3.75 in. (95.3 mm) stroke of the precision ground 0.236 (6.0 mm) diameter shaft with an internal thread, is guided by a long-life plain bearing that can allow side loads up to 1 lb (4.4 N). The housing and coil ends of the motor have threaded mounting holes for easy integration into existing and future applications. This brushless voice coil actuator features: high speed, high acceleration/deceleration, zero backlash, high accuracy, high repeatability, and a high force to size ratio of 5.0 lbs (22.2 N) continuous force and 15.8lb (70.3N) of peak force in either direction, in a housing measuring just 2.00 in. (50.8 mm) dia. × 5.00 in. (127.0 mm) long.

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Military-Grade Network Switch

MilSource (El Segundo, CA) announced the availability of Techaya’s (Akiva, Israel) MILTECH 24FO, a compact fiber optic enabled Ethernet switch offering a dense 24 ports in an approximate 8" × 4" × 2" footprint. The fully managed switch is ideal for radar installations, EO sensor suites, persistent wide area surveillance, and signal intelligence applications.

Advanced network features include switching protocols, virtual LANS (VLANS), traffic prioritization (QoS), and bandwidth aggregation. The MILTECH 24FO’s gigabit speeds and 28 VDC power make it instantly compatible with any network device and power systems. Its mechanical packaging enhancements, including ruggedized Amphenol SIM 2D 44VG connectors, is designed for MIL-STD-810F airborne and ground environmental compliance and high reliability.

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Plating Measurement System

Bowman (Schaumburg, IL) has debuted an addition to their suite of bench-top XRF plating measurement systems. Bowman’s G Series XRF is a robust system that’s ideally suited for jewelry, connectors, and other precious metal analysis. Because it quantifies zinc, zinc-nickel and other anti-corrosion coatings, it is also ideal for components such as fasteners.

The two most distinctive features of the G Series are “bottom-up” measurement using a motorized Z-axis with laser-based auto-focus, and precision video imaging. An available manual XY stage with 1.5" × 1.5" travel facilitates easy positioning of small and large parts.

The standard G Series configuration includes a single fixed collimator, solid-state PIN detector, and long-life micro-focus x-ray tube. As with all Bowman models, the components can be upgraded to include multiple collimators, a variable focal camera, or an SDD detector. Like others in the Bowman XRF portfolio, G Series instruments simultaneously measure up to 5 coating layers, 10 elements in each layer, a total of 25 elements in all. Element range is Al (13) through U (92.)

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E-Band Automotive Radar System

Irish company Arralis (Limerick, Ireland) announced the launch of its new E-Band automotive radar system. The Corvus Radar exceeds what is available in the current automotive marketplace in detection range, elevation resolution, and scan area, enabling multiple 3D target detection at up to 300m over a ±45° azimuth angle and ±7° elevation angle.

The system utilizes the Arralis Corvus MMIC portfolio and a patented analogue beamforming technique to enable detection of a 0 dBm2 target, for instance a fast approaching motorbike, at 300m distance. Monopulse is applied in both Azimuth and Elevation planes to enable resolving of targets angle within beams.

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Angular Rate Sensor

Unlike an accelerometer that measures linear motion, the ARS3 PRO from DTS (Seal Beach, CA) measures high rates of angular velocity. From lever durability to life-cycle testing of a car door or RPM of a driveshaft, the miniature ARS3 PRO is designed to be positioned near the point of interest. The aluminum 19 mm × 19 mm × 12.5 mm enclosure is IP67 rated, weighs only 9 grams and is shock rated to 10,000g. The triaxial package is 50% smaller and 40% lighter than even three DTS ARS PRO uniaxial sensors on a mounting block. Available in ranges from ±300 to 50K deg/sec and in multiple bandwidths, the ARS3 PRO features DC response and shunt check capabilities.

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FPGA Development Tools

Pentek, Inc. (Upper Saddle River, NJ) recently introduced several enhancements to its Navigator Design Suite for the Xilinx Zynq UltraScale+ RFSoC. New IP expands Pentek’s existing IP library to over 140 cores for FPGA development on its Quartz Architecture platform. Pentek’s Navigator Design Suite includes the Navigator FDK (FPGA Design Kit) for integrating custom IP into Pentek factory-shipped designs and the Navigator BSP (Board Support Package) for creating host applications.

Starting with the FDK, new cores support the RFSoC on-chip A/D and D/A converters with the following new features. Data acquisition and waveform generator cores have been updated that include support for VITA 49.2 VITA Radio Transport (VRT) packet formatting. A new optimized ×16 decimation core extends the range of the built-in RFSoC decimation. Pentek’s Smart A/D Calibration feature adds hardware, FPGA IP and software to make Xilinx’s calibration circuitry more robust across diverse operational scenarios. The programmable signal synthesizer core now includes a programmable frequency sweep generator, ideal for generating radar chirp pulse waveforms. These new cores for Quartz support operation of all eight RFSoC A/D and D/A converters simultaneously.

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PCIe/104 Adapter Board

ACCES I/O Products (San Diego, CA) announced the immediate release of a new family of PCIe/104 carrier modules— the 104e-mPCIe Family. These adapter boards allow users to install PCI Express Mini Cards (mPCIe) into new and existing PCIe/104 embedded systems. The 104e-mPCIe boards are Type 1 or Type 2 PCIe/104 carrier boards designed to support up to four PCI Express mini cards, in either half or full lengths. The Advanced model converts one PCIe x1 lane from the PCIe/104 stack into four mPCIe sockets, while the standard version converts four PCIe x1 lanes from the stack into four mPCIe sockets. In addition, the board supports up to two mSATA devices (via dip-switch selection—Type 2 only), and all four sockets support USB, SMBus, and wireless mPCIe devices—including per socket micro-SIM, for cellular (WAN) use.

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FPGA Boards with SMPM VITA 67.3 Connectors

Annapolis Micro Systems (Annapolis, MD) is now integrating SV Microwave’s SMPM VITA 67.3 connectors in multiple high-performance COTS boards for maximum RF signal density and speed to the VPX backplane. The SV Microwave RF connectors are a dense and rugged high-speed coax solution that is aligned with the SOSA™ technical standard. They are available in 11- and 14-port modules that accept up to Ø.086" coaxial cable, with SMPM minimum pitch of .228".

The blind mate VPX backplane connectors are available on the latest versions of these boards: WILDSTAR™ 6U OpenVPX Baseboards; WILDSTAR™ 3U OpenVPX Baseboards; WILDSTAR™ Clock Cards. The VITA 67.3 connectors mount side-by-side with other standard VITA connectivity, including VITA 66 optical connectors and MULTIGIG RT3 connectors, which support a remarkable 25 Gbps.

Annapolis high-performance products are designed for advanced HPC, ISR, and multi-function EW applications, including phased array radar, cybersecurity network processing, DRFM, beamforming, sensor processing, wireless communication, and radar signal processing.

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Directional Coupler

KRYTAR, Inc. (Sunnyvale, CA) announced a new Directional Coupler operating in the frequency range of 10 to 110 GHz and offering exceptionally flat Nominal Coupling of 10 dB across the full bandwidth. KRYTAR’s new directional coupler, Model 1100110010, offers some of the widest frequency coverage on the market while maintaining flat 10 dB coupling across a wide 100-GHz bandwidth. The coupler exhibits Insertion Loss of 5.5 dB (max.) across the full frequency range including coupled power. Maximum VSWR is 1.8:1 at any port 10 to 50 GHz and 2.5:1 at any port 50 to 110 GHz. Input Power Rating is 20 Watts Average and 3 kW Peak. Operating Temperature is -54°C to +85°C.

This new coupler further expands the KRYTAR family of directional couplers offering superior coupling performance with 10 dB (±1.5) 10-90 GHz, and 10 dB (±1.8) 90-110 GHz. The directional coupler achieves frequency sensitivity (amplitude flatness) of typically ±1.25 dB from 10 to 90 GHz and ±1.80 dB from 90 to 110 GHz. It provides directivity of at least 10 dB from 10 to 55 GHz and at least 7 dB (and typically 10 dB) at higher frequencies from 55 to 110 GHz. For applications requiring multiple couplers on multiple channels, such as high-frequency antenna beamforming systems, the unit-to-unit coupling tolerance (coupling consistency from unit to unit) is also quite good, within ±1.50 dB across the full bandwidth from 10 to 110 GHz.

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CNC Wire EDM Machine

AccuteX (Lorain, OH) recently debuted its new AL-600SA CNC Wire EDM machine. The AL-600SA moving-table model is fully equipped with 6-axis capability, PCD cutting circuit, and AccuteX’s exclusive linear shaft motors that provide a 10-year positioning guarantee. These world-class motors were designed and built fully in-house specifically for AccuteX wire EDM machines. This concept ensures maintenance-free design, 10% faster cutting, HIWIN linear guideways, 0.000004" Fagor glass scales, and 64 bit processing.

S-cut fine finish skimming (9 RA μin surface finish), enhanced lead in/lead out control that eliminates witness marks at entry and exit points. Accuracy is achieved at +/- 0.00012" (0.003 mm) and repeatability +/- 0.00008" (0.002 mm). MST-II Micro Sparking Technology comes standard for surface finishes down to 5 Ra μin in 5 passes.

The AL-600SAi comes standard with AccuteX’s patented fully-annealing automatic wire threading (AWT) with the ability to perform submerged machining up to 11.81" (300mm) deep. Travels are 23.62" X-axis, 15.74" Y-axis, 11.81" Z-axis, and 3.94" U & V axes. Maximum workpiece size (XYZ) is 38.97" × 24.41" × 11.61" (990 mm × 621 mm × 295 mm) with a max workpiece weight of 2,450 lbs. (1,113 kg.)

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600W DC-DC Converter

Murata (Kyoto, Japan) has launched a series of 600W, DOSA compliant, 12V output, digital quarterbrick DC-DC converters from Murata Power Solutions. The series was designed for the DSQ, DCQ and DAQ converters to support the full ‘TNV’ input range of 36 – 75V, with a typical efficiency of 96% @ full load 48Vin.

The series is designed to support droop mode current sharing of multiple modules for increased power output with tight load sharing. I/O Isolation is 2250 VDC, with a functional insulation system and it carries the UL/CSA safety agency approvals. Options for these modules include a digital interface supporting the latest PMBus command set, parallel load sharing, positive or negative on/off logic, along with options for standard “analog” DOSA pinout and a 5-pin Bus Converter pinout.

The DSQ model includes a PMBus interface that provides a means (I2C Bus) to configure output voltage, soft start parameters, input and output over-voltage protection limits, input under-voltage lockout, current limit and thermal shutdown. Telemetry functions include output voltage and current, input voltage and temperature, as well as indications for ‘power good’ and on/off status. The heart of the module is a 32-bit processor controlling all functions and parameters.

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Aircraft Electrical Compliance Software

Siemens (Munich, Germany) announced that its Mentor business has introduced the CapitalTM Load Analyzer software product to help simplify aircraft electrical design compliance and certification. Modern aircraft systems, such as electrical flight control systems and in-flight entertainment systems, require more power, have more electrical content, and have higher compliance risk due to increased complexity. The new Capital Load Analyzer is the industry’s first electrical systems technology that leverages automation and digital data continuity to facilitate regulatory compliance.

The new Capital Load Analyzer product draws upon the electrical digital twin, generated from the overall power system and subsystems design, to predict the aircraft’s electrical power demand. The digital twin, native to the Capital product, is an accurate, up-to-date version of the electrical system as it evolves during the development process. Analysis and simulation are performed using primary design data. Rules-based checking and analysis helps enable accurate and complete verification for aircraft power system efficiency for each flight phase – even under load shedding for emergency conditions.

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Horizontal-Mount OpenVPX Chassis Platforms

Pixus Technologies (Waterloo, Ontario), a provider of embedded computing and enclosure solutions, has announced new OpenVPX enclosures that allow boards to be mounted horizontally. The first in the series of EUR19VPX OpenVPX horizontal-mount chassis platforms is a 2U high enclosure. The design allows dual 6U boards, quad 3U boards, or a hybrid mix to be utilized in the chassis. The cooling is achieved via a front-to-rear airflow orientation. The boards are standardly front-loaded and options are available for rear loading. Versions in 1U, 3U, and 4U heights are on the roadmap.

The 2U EUR19VPX features an OpenVPX backplane at PCIe Gen3 speeds standard. Higher speed versions and VITA 66/67 connector options are available upon request. The chassis allows either pluggable VITA 62 PSUs or a fixed modular VPX power supply. Specialty card guides that accept conduction-cooled modules can be incorporated into the enclosure.

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Aerospace & Defense Technology Magazine

This article first appeared in the August, 2019 issue of Aerospace & Defense Technology Magazine.

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