Nasa Tech Briefs

Understanding Connected Car Testing

As the automotive industry cruises towards Advanced Driver Assistance Systems (ADAS), autonomous vehicles and thus the integration of communications technology, test and measurement becomes a critical component in the journey.

Posted in: White Papers, Automotive, Communications, Wireless, Test & Measurement

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Selecting the Right Material for 3D Printing

Materials must be suited to the application in order to have successful results. The properties of any material become increasingly important as a product progresses from concept and functional prototyping to production.

Posted in: White Papers, Electronics, Manufacturing & Prototyping, Test & Measurement

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Hydraulic Carts Streamline Structural Tests for Aircraft

The Flight Loads Laboratory (FLL) at Armstrong Flight Research Center tests the strength and endurance of aircraft structures using hydraulic actuators to apply forces that simulate the stresses of takeoff, flight, and landing. The contract to build the FLL’s next-generation hydraulic controller system went to Moog Inc., an East Aurora, NY-based company that specializes in motion control systems. The company designed a multi-function mobile cart that not only houses the hydraulics for up to eight actuators, but also includes most of the necessary electronics, which were previously housed in the control room.

Posted in: News, Aerospace, Test & Measurement

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Automotive Radar Sensors - RF Signal Analysis and Inference Tests

This Application Note addresses signal measurements and analysis of automotive radars that are crucial during the development and verification stages. It also shows a setup to verify the functionality of a radar in case of radio interference.

Posted in: White Papers, Automotive, Test & Measurement

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Time-to-Digital Converter

Mouser Electronics, Inc., (Mansfield, TX) is now stocking the TDC7201 time-to-digital converter from Texas Instruments (TI). The TDC7201 is designed for use with ultrasonic, laser, and radar range finding equipment using time-of-flight (TOF) technique. TI’s TDC7201 time-to-digital converter has two built-in time-to-digital converters (TDCs) that can be used to measure distance down to 4 cm and up to several kilometers using a simple architecture. The TDC7201 features a wide measurement range of 0.25 ns to 8 ms and high accuracy of 28 ps. The device has a single shot resolution of 55 ps, (equivalent to 0.825 cm).

Posted in: Products, Products, Data Acquisition, Measuring Instruments

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Single Photon Counting Module

Excelitas Technologies® (Waltham, MA) has introduced SPCM-NIR, a Single Photon Counting Module specifically selected and performance-optimized for the near-infrared (NIR) wavelength spectrum. This NIR-spectrum enhanced device is designed to support long-range LIDAR, quantum communication and microscopy applications. The Excelitas SPCM-NIR uses a specially selected silicon avalanche photodiode (SLiK) with peak single photon detection efficiency (PDE) at 780nm, typically better than 73%, while maintaining uniformity over a 180 μm diameter active area.

Posted in: Products, Products, Data Acquisition, Measuring Instruments

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IEC 60601-1-2 Edition 4: New Requirements for Medical EMC

Plan now to ensure your medical devices comply with new IEC 60601-1-2 EMC 4th Edition standard requirements by the December 2018 effective date. Since the development cycle can be 2-3 years, it is important to understand the new standard now when designing medical devices.

Posted in: White Papers, White Papers, Electronics, Bio-Medical, Medical, Instrumentation

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