Anatech Electronics June 2019 Newsletter

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Anatech Electronics Header: June 2019 Newsletter


Anatech Electronics, an RF and microwave filter company, has introduced a new line of suspended stripline and waveguide type RF filters. Sam Benzacar wrote as part of Anatech's June newsletter about his impressions of the IMS2019 trade show in Boston. As you might guess, the main topic is 5G and the plethora of technologies that stand to benefit from the incredible amount of bandwidth assigned to it over many heretofore largely unused frequency bands. That is part of the challenge, and the result will no doubt be the conquering of discouraging and difficult implementation issues. Also included are a few news headlines related to Anatech's core business of designing and manufacturing filters.

A Word from Sam Benzacar

IMS2019 (Sam Benzacar) - RF Cafe


By Sam Benzacar

I've now exhibited at the IMS2019 International Microwave Symposium, and many many others in previous years (can't reveal my age), which over time covered everything from the emergence of GaAs and the MMIC, to all the generations of cellular, the high and lows of the defense budget, and the rise of GaN, among others. But this year's show in Boston had one very significant difference: Yes, it was 5G, to no one's surprise, but until now all vendors could promote were solutions for 5G when it arrived, and now that it's almost here should have a huge impact on the microwave industry.

IMS2019 Anatech Electronics - RF CafeThat's not to say 5G was the only interesting topic at this year's IMS, as advances in almost every technology were represented, from small-signal and RF power devices, to antennas, materials, design tools, and many other technologies. Of course, not all of them will reap major benefits from the wireless applications that 5G will enable for the first time. And it's arguable that semiconductor vendors will see the most benefit of all, as they serve so many of those applications. However, 5G is challenging the industry to develop solutions it's never had to tackle before.

One of those challenges is how to make use of millimeter-wave spectrum for terrestrial wireless applications. As most readers know, propagation at these frequencies makes communications almost impossible, except over very short and line-of-sight distances. But 5G not only has a mandate to use these frequencies, it needs them if low-latency, gigabit-per-second downstream data rates are to be achieved. That will require truly enormous numbers of small cells both indoors and outdoors everywhere coverage must be provided.

It will also require the use of advanced antenna technologies including massive multiuser MIMO, digital beamforming, as well as the first use of phased-array architectures such as AESA that are currently the domain of defense radars. Papers at IMS this year as well as some exhibits focused on advances in millimeter-wave technology, from the device level to complete chipsets.

Integrating millimeter-wave capability and phased-array antennas in small cell base stations is difficult enough, but in a smartphone is a vastly greater challenge. It's not just because there is little internal real estate available, but that signals at millimeter-wave frequencies are attenuated by almost anything placed in their path – like your hand. And unlike fixed terminals whose operating environment is reasonably static, smartphones are operated in an unlimited number of positions.

To summarize, IMS in Boston was a terrific experience, and I only wish I had the time to attend more sessions, as they provided interesting solutions to the many hurdles the industry will need to surmount to bring the full capabilities of 5G to fruition.

Carbon Nanotube Antennas?

Carbon Nanotube Antennas? - RF CafeResearchers have tested antennas made of "shear-aligned" nanotube films that matched the performance of copper while being thinner as well. Lead author Amram Bengio of the results presented in the Journal of Applied Physics performed the research while earning his doctorate at Rice University. The antennas were tested at the National Institute of Standards and Technology facility in Boulder, Colorado. Radiation efficiency measurements of microstrip patch antennas had radiation efficiency of 94% at 10 and 14 GHz, equivalent to copper antennas. Continued work will focus on aligned carbon nanotube antennas for aerospace industry as well as for 5G

5G Hype Continues Apace - RF Cafe5G Hype Continues Apace 

AT&T, which received universal guffaws last year when it branded its LTE-Advanced service "5G Evolution" and launched a 19-city 5G network still has no smartphones to offer customers. Nevertheless, CEO John Donovan told attendees on a Credit Suisse conference call that the company is the "world leader" in 5G. AT&T says its initial 5G service costs $70 per month for just 15 Gbytes of data and plans to have 29 cities operational by the end of the year.


G/ATOR GaN Radar Passes Crucial Test

G/ATOR GaN Radar Passes Crucial Test - RF CafeNorthrop Grumman's AN/TPS-80 Ground/Air Task-Oriented Radar (G/ATOR) Blocks 1 and 2 has passed an initial operational test and evaluation test. The system is a multi-mission AESA radar that provides 360-deg. coverage, employs digital beam forming, and uses GaN MMICs at each antenna element. It is designed to detect fixed-wing aircraft, helicopters, cruise missiles, UAS, rockets, artillery, and mortar rounds. Previous versions used GaAs MMICs but the latest batch have been upgraded to GaN because of its lower input power, higher efficiency, and higher RF output power. G/ATOR is currently the only GaN-based ground-based radar in the DoD inventory.

Sony's New Device for Low-Power Networks

Sony's New Device for Low-Power Networks - RF CafeSony's Eltres low-power wide area network will use small ICs and and antennas to relay a sensor data to a base station that can more than 60 mi away. Sony uses an example in which a drone monitoring an offshore platform could use the network to transmit location and sensor data. It's first-generation device, the CXM1501GR, along with a 20-mW RF power amplifier can transmit a 128-bit signal at up to 6.35 Kb/s moving at more than 60 mph. It can automatically switch between 23 channels between 923.6 MHz and 928 MHz, and to circumvent interference it repeats each signal four times. The chip measures 16 x 16 and will operate from one coin-cell battery for several months.

SpaceX Launches First Broadband Satellites

Elon Musk, never one to "go small" has initiated its first efforts to provide broadband from space, with the launch by SpaceX of 60 of its Starlink satellites from Cape Canaveral (note their dense packing in the spacecraft). That's just the beginning though, as the plan is to have up to 12,000 of them in geostationary orbit, presumably making inexpensive service available anywhere. That would be good news for the more than 20 million people in the U.S. and far more elsewhere who still have nothing approaching decent Internet access.

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

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


Anatech Electronics, Inc.

70 Outwater Lane

Garfield, NJ 07026

(973) 772-4242



Posted June 14, 2019