Data Acquisition Devices

The USB-1808 Series simultaneous-sampling data acquisition devices from Measurement Computing Corp., Norton, MA, provides synchronous and concurrent voltage I/O, waveform output, counter input, quadrature encoder input, timer output, and digital I/O. They offer synchronous I/O operations at rates up to 50 kS/s per channel. The devices feature eight 18-bit differential or single-ended analog inputs, simultaneous sampling up to 200 kS/s per channel, two analog outputs, four digital I/O, external clock I/O, external digital triggering, and pattern triggering.

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Elastomeric Connectors

Fujipoly America Corp., Carteret, NJ, offers Fujipoly® Zebra® Gold 8000A elastomeric connectors that transfer both data and power between parallel components and circuit boards while exhibiting electrical resistance of less than 25 mΩ. The connectors are constructed from a low-durometer silicone core wrapped with 100 parallel rows of flat, gold-plated copper wires per inch, allowing them to accommodate PCBs with pad center spacing down to 0.25 mm. Each 0.050 × 0.127-mm gold-plated element can deliver a current-carrying capacity of 500 mA. They are suited for board-to-board electronic packaging applications with tight pad spacing and board separation tolerances. The connectors can be specified in custom lengths from .200” to 6.00” and heights ranging from .10” to .50”.

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Power Sources

Saelig, Fairport, NY, introduced the Preen AFV-P Series of programmable AC power sources with DC output and precision measurement capabilities available in four power levels: 600 VA, 1250 VA, 2500 VA, and 5000 VA, providing clean power with THD less than 0.3% at 50/60 Hz. They deliver a continuously variable output voltage of 0-310 VAC and frequency of 40-500 Hz (optionally 15-1000 Hz). The units provide programmable features (step/ramp/transient) and 1,200 test steps in 50 built-in memory sets, as well as a transient generation functionality that allows simulations of voltage variations, surges, sags, dropouts, and frequency disturbances for simulating global AC power conditions. Measurement features include RMS voltage, RMS current, true power, apparent power, power factor, crest factor, and reactive power.

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Surge Protection Devices

Transtector Systems, Hayden, ID, released the I2R-Series modular DIN rail AC surge protection devices for industrial applications ranging from automation and control to communications. They are optimized for any environment with UL Type 1 and Type 2 requirements. Configurations are available for all standard electrical service applications up to 690 Vac, including single-phase, split-phase, delta, and three-phase WYE. Features include a reverse chassis direction capability that allows cable entry from top to bottom, remote visual status indication, IP 20 finger-safe design, and 75-kA surge capacity that protects critical equipment against both high-energy transients and long-term exposure to harsh electrical environments.

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Power Modules

Arrow Electronics, Centennial, CO, offers Analog Devices’ μModule system-in-package power solutions that integrate analog ICs, power switches, and passive components. Control and monitor functions include output voltage monitoring, sequencing, and margining; current monitor; temperature monitor; and fault log. The modules are provided in BGA and LGA packages. The pad assignment of the package is uniform for easy PCB design. Both RoHS-compliant and SnPb terminal finishes are available in the BGA package. Package height is 1.82 mm or 1.91 mm (LGA) to allow placement on the back side of the PCB or under a common heat sink with digital devices such as FPGAs, ASICs, and processors.

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Threaded Inserts

SI® inserts from PennEngineering®, Danboro, PA, permanently install in plastic assemblies to provide reusable metal threads for mating hardware and allow for repeated disassembly and re-attachment. Repeated reuse will not damage the metal threads or compromise attachment integrity. Types include brass inserts and lead-free stainless steel and aluminum versions. All inserts install permanently in plastic and, depending on series, can either be ultrasonically pressed and/or heat staked, molded-in during the injection molding process, or cold-pressed into a pre-molded or drilled hole. They can be specified in unified or metric thread sizes in a variety of designs and lengths.

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Power Supplies

CUI's Power Group, Tualatin, OR, announced VGS-B Series compact, chassis-mount AC-DC power supplies housed in an enclosed metal case. They offer power ratings from 35 to 350 W with 30-mm profiles and packages as small as 99 × 82 × 30 mm (3.89 × 3.22 × 1.18”). They feature an operating temperature range of -20 to +70 °C and are metal-enclosed. The power supplies carry single-output voltages of 12, 24, 30, and 48 Vdc, depending on the series, and an adjustable output trim. All models feature a screw terminal interface, along with over current, over voltage, and over temperature protections.

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CAD Conversion Software

CoreTechnologie, Mömbris, Germany, offers 3D_Evolution Simplifier software for automatic simplification of CAD data. The tool is also a converter that handles the reading and writing of all popular formats such as Catia, NX, SolidWorks, Creo, and Inventor. The removal of internal geometry for the calculation of envelope geometries can be achieved within seconds by pressing a button. The technology ensures the automatic analysis and repair of 3D models. Model simplification can be performed for any number of files and directories. When processing CAD data for visualization in virtual or augmented reality, the software reduces the number of polygons without quality disadvantages.

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