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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Steering UAVs Clear with Digital Circuit Testing

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Axiom Test Equipment Blog:Steering UAVs Clear with Digital Circuit Testing - RF CafeApril 13, 2020 - Vista, California - Axiom Test Equipment, an electronic test equipment rentals and sales company headquartered in North County San Diego, has published a blog post entitled "Steering UAVs Clear with Digital Circuit Testing ." This blog is the second in a series of three planned articles that will take a closer look at the global fascination with UAVs and how they are used, whether for farming or for warfare, and some of the best test tools that can be applied to ensuring the best UAV performance possible. The OQ-2A, one of the first remote-controlled target drones produced in the U.S., was made by the Radioplane Company owned Hollywood actor Reginald Denny. Norma Jeane Mortenson, aka Marilyn Monroe, was discovered there.

See Part 1, Part 2, Part 3

Steering UAVs Clear with Digital Circuit Testing

Axiom Test Equipment Tektronix MSO58 - RF Cafe"Drones and unmanned aerial vehicles (UAVs) are being used in a growing number of commercial, civil, industrial, and military applications. They are currently used for many security and surveillance tasks as well as for monitoring inventory in warehouses. They are expected to play major roles in almost by-the-hour delivery schemes being developed by major retailers. As noted in the previous blog, they depend on onboard sensors for gathering data, tracking, navigation, and positioning and wireless radio links (and regular testing of those links) for reliable command and control from a nearby ground station, even when the ground station turns out to be simply a smartphone. The radio signals between a drone and a controller, whether a vehicle is autonomous or guided by a remote pilot, can be checked with RF/microwave test equipment. Once those signals have reached the UAV, they are digitized and 'live' within the digital realm, with the guidance of multiple-core microprocessors and/or microcontrollers. It is in that realm in which they must be monitored and maintained. Achieving top performance from the digital components within a UAV is a matter of making the right measurements with the right test equipment.

Digitized video occupies a great deal of a drone's built-in memory. Digital video is part of the functionality of many UAVs since they are equipped with various types of cameras as their 'eyes.' The embedded computing within the drone includes one or more microprocessors or microcontrollers (which combine a multiple-core microprocessor, memory, power components, and video signal processing within one module). The embedded computing is essential for drone operation and is designed to handle large amounts of digital video data at a fast clock speed, depending upon the application.

A drone's video or infrared (IR) cameras generate video signals as analog voltages that are then transformed to digital bits by means of an analog-to-digital converter (ADC). Higher-speed (in terms of clock rate) data converters can handle more bits at one time and higher-resolution (in terms of numbers of bits and b/s) ADCs can process more video information from a UAVs cameras at one time and provide higher levels of accuracy when the data is projected on a display screen at a UAV controller's ground station, whether controller and graphical processing unit (GPU) is on a smartphone or a personal computer (PC). Several measurement tools are useful for R&D and production-line testing of the digital circuitry within autonomous and unmanned drone, such as a high-speed oscilloscope for signal analysis and an arbitrary waveform generator (AWG) for digital signal generation. Digital logic signals managed by a UAV's embedded computing hardware and software are typically in the form of transistor-transistor-logic (TTL) and complementary-metal-oxide-semiconductor (CMOS) logic signals."  Click here for... the REST of the story...

If you would like help selecting any type of test equipment for your project, contact Axiom Test Equipment's sales department at sales@axiomtest.com, call 760-806-6600, or browse Axiom Test Equipment's inventory online at www.axiomtest.com.


About Axiom Test Equipment

Josh Shilts Axiom Test Equipment May 2018 - RF CafeGet Exactly What You Need. Rent - Buy - Repair - Trade-In

Established in 2005, Axiom Test Equipment strives to continually improve itself and offer the best value for its customers. We offer our customers several practical, efficient and cost effective solutions for their business or projects' test equipment needs. Whether you need to rent & buy test equipment, repair test equipment, sell or trade equipment, we are committed to providing superior customer service and high quality electronic test equipment.

At Axiom Test Equipment we provide several services. We rent electronic test and measurement equipment. We also sell test equipment. If you have a piece of malfunctioning or broken test equipment we also have an in-house repair lab. For anyone seeking a way to offload their surplus or obsolete equipment, we offer a trade-in program or we can buy the equipment from you.

We stock a comprehensive inventory of equipment and can use our extensive network to find you those hard to get items. We believe in getting equipment to you quickly and at a competitive price.


Axiom Test Equipment
2610 Commerce Way 
Vista, CA  92081
Phone: (760) 806-6600
Web: www.axiomtest.com



Posted March 16, 2020

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