Keyword: Integrated circuits

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Briefs: Electronics & Computers

This radiation-hardened, compact, low-power, quad 12-bit digital-to-analog converter (DAC) application specific integrated circuit (ASIC) incorporates science-driven features...

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Articles: Manufacturing & Prototyping

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft safety,...

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Articles: Defense
N5 Filo (First-In-Last-Out): An Ultra-Small, Low-Cost Hazardous Gas Detector Using Novel Chip-Scale Chemical Sensor Technology

Abhishek Motayed, Ratan Debnath,...

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Articles: Test & Measurement

There are a variety of reasons we need to know the temperature of an object or a process — to prevent product damage, ensure sterilization, determine biological health, ensure...

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Briefs: Manufacturing & Prototyping
Method to Produce Copper Nanowires for Interconnect Applications

Copper replaced aluminum nearly two decades ago as interconnect material in integrated circuit manufacturing due to its better electrical conductivity. The size of the interconnect wire has been steadily decreasing as Moore’s law has been progressing through various feature size...

Articles: Imaging

Designers and operators of automated inspection systems have long been challenged with completing accurate inspections when those tasks required high dynamic range, or when there...

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Briefs: Sensors/Data Acquisition
Wide-Input-Range Signal-Conditioning Input Interface for Motor Position Sensing in Extreme Environments

Motor position sensing is a critical application in a number of systems. Galvanically isolated sensors for motor position sensing are strongly favored in both industrial and extreme-environment applications. Two examples of these sensors are...

Articles: Manufacturing & Prototyping

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft safety,...

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Articles: Medical

More than three million Americans are currently living with glaucoma, an eye disorder with few symptoms in its early stages. Globally, the number may increase to almost 80 million by 2020, according...

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Briefs: Software
Dynamically Configurable Pipeline

The Dynamically Configurable Pipeline is a concept for the rapid implementation of pipelined computational algorithms in configurable hardware such as field programmable gate arrays (FPGAs). The approach, especially in its phase-coherent incarnation, allows a high level of sharing of floating-point resources...

Articles: Electronics & Computers

Have you attended an electronics or design tradeshow lately? Have you visited a big-box retailer or browsed an online electronics vendor? If so, you’ve probably seen...

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Briefs: Semiconductors & ICs

This method of interconnecting ceramic integrated circuits to organic printed circuit boards (PCBs) is designed to substantially increase the life of the...

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Articles: Aerospace
The Polariton Interferometer — A Novel Inertial Navigation System Frederick Moxley
Louisiana State University
Baton Rouge, LA
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Articles: Electronics & Computers
A Paradigm Shift for SMT Electronics: Micro-Coil Springs Interconnection for Ceramic and Plastic Grid Array Packaged Integrated Circuits Jim Hester and Mark Strickland
NASA...
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Briefs: Electronics & Computers
Methods for Clock and Reset Synchronization in a CMOS Integrated Circuit

In high-integrity systems, a method of assuring integrity called a self-checking pair is employed. A self-checking pair is a logical grouping of two of the same devices performing the same operation and cross-checking each other to ensure correct operation. In this manner,...

Briefs: Electronics & Computers

A flexible Telemetry Decoder Core (TDC) has been designed to decode Consultative Committee for Space Data Systems (CCSDS) encoded telemetry data. The TDC can be used to eliminate costly ground support...

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Briefs: Electronics & Computers
Digitally Controlled, 12-V Precision Current Source for Extreme-Temperature Operation

Many control applications require precision, high-voltage-capable stimulus current drivers for sensor excitation. In particular, a requirement for a stimulus driver that can be primarily integrated into a motor feedback signal conditioning ASIC (application...

Briefs: Electronics & Computers
Sub-Nanosecond, Compact, Low-Power Time-Interval Measurement

This innovation is a sub-nanosecond time-interval measurement that is compact and inexpensive, implemented in a field-programmable gate array (FPGA). Currently, high-speed count ers or semi-custom or custom ASICs (application specific integrated circuits) are used for time-interval...

Briefs: Semiconductors & ICs
CoolSPICE: SPICE Simulator for Cryogenic Electronics

Accurate assessment of circuits at cold temperatures is extremely difficult due to lack of models and tools that can simulate circuit behavior at cryogenic temperatures. A library of cryogenic temperature models was built, as well as a circuit simulator that can use those models and simulate...

Briefs: Test & Measurement
Rapid Infrared Pixel Grating Response Testbed

A test array has been developed to measure the response of pixel-integrated infrared gratings over a wavelength range from 3 to 13 μm for multiple grating geometries. This array allows for testing and for determining the performance of an infrared focal plane array camera before resources have been...

Briefs: Electronics & Computers
Centering a DDR Strobe in the Middle of a Data Packet

The Orion CEV Northstar ASIC (application-specific integrated circuit) project required a DDR (double data rate) memory bus driver/receiver (DDR PHY block) to interface with external DDR memory. The DDR interface (JESD79C) is based on a source synchronous strobe (DQS\) that is sent along with...

NASA Spinoff: Information Technology
NASA Technology

Objects that orbit the Earth, such as the International Space Station (ISS), provide a unique environment called zero-g, or more correctly, microgravity. All objects in orbit...

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Briefs: Electronics & Computers

Four application specific integrated circuits (ASICs) that provide sensing, actuation, and power conversion capabilities for distributed control in a high-temperature (over 200...

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Briefs: Electronics & Computers

As small gasoline engines evolve to use more sophisticated electronic engine controls, new challenges will face the smallengine manufacturers, including...

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Briefs: Physical Sciences
Fast, High-Precision Readout Circuit for Detector Arrays

The GEO-CAPE mission described in NASA’s Earth Science and Applications Decadal Survey requires high spatial, temporal, and spectral resolution measurements to monitor and characterize the rapidly changing chemistry of the troposphere over North and South Americas. High-frame-rate focal...

Briefs: Electronics & Computers
Remote Memory Access Protocol Target Node Intellectual Property

The MagnetoSpheric Multiscale (MMS) mission had a requirement to use the Remote Memory Access Protocol (RMAP) over its SpaceWire network. At the time, no known intellectual property (IP) cores were available for purchase. Additionally, MMS preferred to implement the RMAP...

Products: Lighting

Power Integrations (San Jose, CA) recently introduced the RDR-347, an LED-downlight reference design. The new circuit demonstrates the capabilities of the recently launched LYTSwitch™ IC family, which offers...

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Articles: Manufacturing & Prototyping
What is 3D Printing?

The terms “3D printing” and “additive manufacturing” refer to processes that automatically build objects layer-by-layer from computer data. The technology is already...

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Articles: Photonics/Optics

Fuelled by an increasing demand for bandwidth combined with a continued drive towards cost and size reduction, larger scale photonics integrated circuits are now clearly breaking through. For example, fiber optics...

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