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Bench Talk for Design Engineers

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Bench Talk for Design Engineers | The Official Blog of Mouser Electronics


New Tech Tuesdays: 3 GNSS Modules to Keep Track of Where We Are Tommy Cummings

New Tech Tuesdays

Join journalist and Mouser technical content specialist Tommy Cummings for a weekly look at all things interesting, new, and noteworthy for design engineers.

We all want to know where we are and where we're going.

Of the nearly 7,000 satellites currently in Earth's orbit, 150 are dedicated to positioning. These satellites are part of the Global Navigation Satellite System (GNSS), which provides autonomous geo-spatial positioning.

GNSS receivers can pick up frequencies for use in countless applications. The satellites were launched by the US, China, Russia, United Kingdom, Japan, India, the European Space Agency, Canada, Germany, Luxembourg, among other countries, for civilian, commercial, government, and military purposes.

GNSS satellites keep us going in the right direction. Think about that when you pull out your smartphone or ask your voice-activated personal digital assistant to plot your commute to work. A lot goes into mapping how we get here and there.

For decades, GNSS technology has been a part of transportation systems on land, sea, and air. Now, it's playing even a more significant role with its inclusion in automotive applications, such as advanced driver assistance systems (ADAS) and autonomous vehicles.

Design engineers have a vast selection of GNSS devices for diverse applications—including navigation, surveying, and mapping—to develop products with location-tracking functionality. Decades ago, they were mainly used to help military personnel find their way, but location awareness evolved into civilian uses. They’re in toys, wearables, watches, and more.

Developers have infinite ways to use this technology. This week's New Tech Tuesdays looks at Taoglas, Quectel Wireless Solutions, and u-blox GNSS modules that developers should find useful for their projects.

Built For Accuracy, Compatibility, and Size

If designing for accuracy, the Taoglas GPDF254.A Passive Dual Pin GNSS Patch Antenna touts its positional accuracy on the single-band passive GNSS L1 spectrum. The GPDF254.A has been tested to achieve centimeter-level accuracy. The module plugs into unmanned aerial vehicles (drones), robotics, and autonomous vehicles. It's also ideal for real-time kinematics (RTK) systems.

For Internet of Things (IoT) developers, the Quectel Wireless Solutions GNSS IoT Modules are compatible with multiple applications, including machine-to-machine (M2M), portable device, automotive, security, wearables, and industrial personal digital assistants. They're compact, with many of the modules featuring embedded chip and patch antennas.

When size matters, the u-blox NEO-7 GNSS Modules make for an ideal solution in a miniature package. Their form factor allows for easy migration from previous NEO generations. The NEO-7 series includes high integration capability and flexible connectivity options, making them developer-friendly choices for industrial applications with strict size and cost requirements. The modules feature sophisticated radio-frequency architecture and interference suppression that ensures maximum performance even in GNSS-hostile environments.

Tuesday's Takeaway

GNSS modules providing location services come in various types with multiple applications, with their use-cases growing by the day. They'll always be in demand. That's good news for design engineers who can choose from a broad selection of solutions to take advantage of those thousands of satellites circling overhead.



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Tommy CummingsTommy Cummings is a senior technical content specialist at Mouser Electronics in Mansfield, Texas. Tommy joined Mouser in 2018 after a journalism career that included The Dallas Morning News, Fort Worth Star-Telegram, San Francisco Chronicle and others. Tommy covered the dot-com boom in Silicon Valley and has been a digital content and audience engagement editor at news outlets. At one time, he was actually a Heisman Trophy voter. He can be followed on Twitter at @tommycummings or on LinkedIn.


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