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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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Anatech Electronics May 2022 Newsletter - RF Cafe


Sam Benzacar of Anatech Electronics, an RF and microwave filter company, has published his May 2022 newsletter that features his short op−ed entitled "This Will Be the Year That Matter, Matters," where he describes how "Matter," which was formerly called Project CHIP (Connected Home over IP) and then Connectivity Standards Alliance (CSA), was announced in December 2019 with the goal of reducing fragmentation and eliminate interoperability issues with home automation. As with Wi-Fi and Bluetooth, Matter aims to assure compatibility between systems and devices of all manufacturers. Also in the news is the ongoing saga of C-Band cell service and radar altimeter interference, "Smart Agriculture" revenue projections, and rectenna RF energy harvesting.

A Word from Sam Benzacar

This Will Be the Year That Matter, Matters

Anatech Electronics May 2022 Newsletter (Sam Benzacar) - RF CafeBy Sam Benzacar

The most obvious problem with home automation since it emerged is compatibility between devices from various manufacturers and the connectivity standards they use. While smart home devices can interoperate through Alexa, Google Assistant, and solutions from other manufacturers, most users still require several apps to modify settings, and even then, not every product will cooperate. That is, Alexa doesn’t speak Google Assistant or Siri so it can’t control devices from Google or Apple devices, and vice versa.

Finally, a solution is at hand, called Matter, and in a few years is likely to be integrated in every home automation device. As a unifying connectivity certification, Matter will provide a flat playing field for smart home devices from different manufacturers in a single ecosystem. Although it was supposed to be rolled out already, it was recently postponed but will likely appear in new Matter-certified devices later this year.

Matter (Formerly called Project CHIP: Connected Home over IP) - RF CafeFormerly called Project CHIP (Connected Home over IP) and now the Connectivity Standards Alliance (CSA), the Matter project was announced in December 2019 with the goal of reducing fragmentation and eliminate interoperability issues. It was spearheaded by Amazon, Apple, Google, Comcast, and the ZigBee Alliance, and currently has several hundred industry participants. Matter products must be certified by the CSA.

Based on the Internet Protocol, Matter allows IP-based networking between smart home devices and smartphone apps or cloud services. Initially, devices with Matter support will connect via Bluetooth Low Energy (BLE) to Thread and Wi-Fi networks. Products from Google and Amazon will all work natively with Matter's protocol while others will follow.

The question that remains is what will happen to the hundreds of millions of existing smart home devices don’t have Matter support. Unfortunately, there is no universal answer to this question because not every device can be upgraded in place to support the new standard, and some manufacturers may decide not to upgrade older products at all. Fairly new devices from nearly every manufacturer are likely to be upgradable, but as IPv6, latest Internet protocol, is very software intensive, it’s likely that many devices may not be able to accommodate it.

This being said, Matter is a long-overdue standard and unquestionably welcome in an industry that has frustrated customers for years. This is not only great news for consumers but for every IoT deployment in industrial and dozens of other applications. So, while it was a long time in coming, Matter will eliminate some of the most annoying aspects of IoT that have slowed its deployment worldwide.

The Altimeter/C-band "Debate" Continues 

The Altimeter/C-band "Debate" Continues - RF CafeThe FAA recently held a meeting with about 40 representatives from the aviation industry and wireless carriers in the hope of finding a way to solve the continuing issue of potential interference to radio altimeters from the rollout of 5G at C-band frequencies, according to Simply Flying. The FAA has proposed that airlines replace affected aircraft radio altimeters, which would obviously be extremely expensive, and the major carriers have agreed to create low-intensity buffer zones near airports and runways where the C-Band signals possibly pose a problem, but this agreement ends on July 5. The carriers say their networks do not pose a problem and the FCC agrees but the aviation industry strongly takes issue with this position, and there has been little compromise by either party in the dispute.

Quantum Receiver Promises 10X Sensitivity Improvement 

Quantum Receiver Promises 10X Sensitivity Improvement - RF CafeBT (formerly British Telecom) is conducting trials of quantum Atomic Radio Frequency (ARF) receivers for 5G and IoT that boasts 100-times higher sensitivity than traditional receivers, according to the company. Its quantum antenna technology uses ‘excited atoms’ in an effect called electromagnetically-induced transparency to form a field detector. It could also potentially reduce energy consumption of a network, which would be help IoT devices become more cost efficient and longer lasting. The receiver can be placed in hard-to-reach locations, potentially bringing mobile networks closer to achieving national coverage. BT researchers are also eyeing the ARF’s receiver’s potential for use in very low power passive mobile networks 

Report: "Smart" Agriculture to Reach $20 Billion by 2026 

"Smart" Agriculture to Reach $20 Billion by 2026 - RF CafeA report from Global Market Estimates projects that the global smart agriculture market will grow from its current $13.1 billion to $20.6 billion by 2026 with an annual growth rate of 9.7%. The growth is driven by driven by rising demand for sustainable farming techniques and innovations that are useful to minimize the use of non-renewable energy resources and embrace sustainable agronomic practices. The other factors supporting the growth of the market are continuing advances in artificial intelligence and IoT and rising pressure on the food supply system resulting from population growth. 

Researchers Create Rectenna for RF Energy Harvesting 

Rectenna for RF Energy Harvesting - RF CafeU.S. Army-funded research has developed an RF switch that is more than 50 times more energy-efficient than current technology. The Army Combat Capabilities Development Command’s Army Research Laboratory, researchers at The University of Texas at Austin, and the University of Lille in France, were involved in the research. Its characteristics would benefit smartphones and other battery-powered devices because unlike typical RF switches it draws no current when not operational. The technology can transmit an HDTV stream at 100 GHz and is the first that can function at terahertz frequencies. The switch is based on the nanomaterial hexagonal boron nitride within the graphene family. The structure has a single layer of boron and nitrogen atoms in a honeycomb pattern sandwiched between a pair of gold electrodes. 

Anatech Electronics Introduces a New Line of Suspended Stripline and Waveguide Type RF Filters

Anatech Electronics Waveguide Filters - RF Cafe

LINKS: Waveguide Bandstop & Waveguide Bandpass 

Anatech Electronics Suspended Stripline Filters - RF Cafe

LINKS:  Suspended Stripline Highpass  & Suspended Stripline Lowpass

Check out Our Filter Products

Anatech Electronics Cavity Band Pass Filters       Anatech Electronics LC Bandpass Filters - RF Cafe       Anatech Electronics Cavity Bandpass/Notch Filters - RF Cafe

    Cavity Band Pass Filters             LC Band Pass Filters           Cavity Bandstop/Notch Filter

About Anatech Electronics

Anatech Electronics, Inc. (AEI) specializes in the design and manufacture of standard and custom RF and microwave filters and other passive components and subsystems employed in commercial, industrial, and aerospace and applications. Products are available from an operating frequency range of 10 kHz to 30 GHz and include cavity, ceramic, crystal, LC, and surface acoustic wave (SAW), as well as power combiners/dividers, duplexers and diplexers, directional couplers, terminations, attenuators, circulators, EMI filters, and lightning arrestors. The company's custom products and capabilities are available at www.anatechelectronics.com.


Anatech Electronics, Inc.

70 Outwater Lane

Garfield, NJ 07026

(973) 772-4242




Posted May 27, 2022

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