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    Kirt Blattenberger,

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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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Anatech Electronics May 2021 Newsletter

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Anatech Electronics Header: February 2021 Newsletter

 

Sam Benzacar of Anatech Electronics, an RF and microwave filter company, has published his May 2021 newsletter that features his short op−ed entitled "More Interference to Come – in Vehicles," where he discusses the increasingly hostile electromagnetic environment present in and around cars and trucks as wireless electronics gains an ever increasing presence. Says Sam, "This problem will only worsen with the 'digitalization' of vehicles that, in the not-too-distant future, will make them rolling IoT platforms." I like that rolling IoT platforms comment. Fortunately, the art and science of RF filter design and manufacturing is advancing to enable coexistence of multiple platforms - at least for now - and Anatech is at the front line of the battle. Sam also presents some relevant industry news items as well.

A Word from Sam Benzacar

More Interference to Come – in Vehicles

Anatech Electronics May 2021 Newsletter (Sam Benzacar) - RF CafeBy Sam Benzacar

The need to keep electromagnetic energy in check has been crucial since Henry Ford's production line started rolling. Over the years, sources of electrical and electromagnetic interference have multiplied, and the result is an environment rich with signals spanning very low frequencies to the microwave region that can, in the worst cases, render a vehicle immobile or cause a critical subsystem to malfunction. This problem will only worsen with the "digitalization" of vehicles that, in the not-too-distant future, will make them rolling IoT platforms. As always, EMI and RF and microwave filters will be the basic interference cancellation solution.

Consider that in today's vehicles there are multiple signal buses, up to 150 electronic control units (ECUs), and various wireless communications systems (such as navigation, Wi-Fi, and cellular), as well as radar, cameras, ultrasonic sensors, keyless entry, and infotainment systems. And every one is a potential contributor to or recipient of EMI or RFI, and this list covers just the internal systems and not external interference caused by power lines and other electrical systems, and cellular and other communications systems. What's more, all radio transmitters and other RF components can emit not just the desired frequency but others, typically at lower signal strengths but still strong enough to cause problems.

And now electric vehicles are beginning to appear in larger numbers. The heart of an EV is the powertrain, called an electric drive unit (EDU), that consists of an electric motor, a power electronics module, and a transmission. This integrated solution solves some important EMI problems because it brings together three main vehicle components, reducing the amount of high-voltage cable and replacing it with a busbar approach. However, as everything in the vehicle will be electrical or electronic, interference sources may actually increase.

After EVs will ultimately come autonomous vehicles that will use more sensors and wireless systems and will be processing and transferring data up to 10 Gb/s that translates into an operating frequency around 5 GHz, so signals at least this high frequency must be attenuated. So, while the auto industry is reinventing itself it is bringing along all the interference sources (and more) that have in most cases been solved by filters.

Anatech has been solving all these types of automotive interference problems for more than three decades, so if you're designing a communication system, involved in EW, have interference coming from an RF source, or involved in the RF section of vehicle electrical or electronic systems, and need a solution, we're here to listen, and find a solution.

Below are same links to products that helps Technically RF filters are in most cases specifically designed as a narrow band frequency selective device in the design of communication systems or to remove interference coming from a co-site Transmitter, Satellites, Wireless Communication site.

We can always find a solution! Standard Band Pass Filters library


Verizon Launches Private 5G Network

Verizon Launches Private 5G Network - RF CafeOn Site 5G, Verizon's first private 5G network indoor or outdoor facilities is managed by Verizon and delivers the company's "5G Ultra-Wideband" capabilities for high-speed, high-capacity, low-latency connectivity. It combines 5G small cells with the LTE packet core and interconnects with the organization's LAN infrastructure. The company has previously built custom solutions for Corning, Marine Corps Air Station (MCAS) Miramar, the University of Michigan, Tyndall Air Force Base.

 


Magnets in Phones Affect Medical Implants

Magnets in Phones Affect Medical Implants - RF CafeiPhones with wireless charging such as the iPhone 12 Pro Max can interfere with implanted pacemakers and implantable defibrillators, according to a recent study. The implantable devices respond to external magnetic sources and the phones have of magnets used for interacting with the charging base. This generates a magnetic field that can affects the implanted devices. In the study, an iPhone 12 Pro Max inhibited the action of a defibrillator when held over the patient's chest and also modified the pacing of a pacemaker. It's a safe bet that this also applies to any phone with wireless charging.

 


EW Market to Reach $23.5 Billion by 2028

EW Market to Reach $23.5 Billion by 2028 - RF CafeA report published by Allied Market Research says the global electronic warfare market generated $15.8 billion last year and will reach $23.56 billion by 2028, a growth rate of 5.6%. The airborne segment had the greatest market share last year and is projected to register the highest increase (6.1%) during the forecast period. Although the U.S. was the biggest market in 2020 accounting for about one one-third of it, Asia-Pacific is expected to register the highest growth through 2028.

 


  

Getting Ready for 5G:

Anatech Electronics introduce New Ka band 30.5 GHz Waveguide Band Pass Filter. Featuring a center frequency of 30.5 GHz, a bandwidth of 1000 MHz, an Insertion Loss 1 dB Max, and a Power Handling is 20 watts.

Ka band 30.5GHz Waveguide Band Pass Filter - RF Cafe


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.

Contact:

Anatech Electronics, Inc.

70 Outwater Lane

Garfield, NJ 07026

(973) 772-4242

sales@anatechelectronics.com

 

 

Posted June 24, 2021

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