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Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
    Kirt Blattenberger,


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 Newsletter - December 2011

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www.anatechelectronics.com                                     www.amcrf.com
Anatech 20th Anniversary Logo
Issue: December 2011
What's New...

Macro cell market should stay healthy

A forecast by Mobile Experts predicts a shifting market for mobile communications base stations, with new technologies driving growth in the number of radio transceivers deployed annually. The forecast predicts that over 14 million transceivers will be installed during 2016, more than half for LTE services. The report says that despite the rise of small cells, the macro cell market will remain strong in part because LTE systems require more transceivers per base station.

First LTE-Advanced baseband IC

Cognovo has unveiled the world's first baseband device that can support operation of the new LTE-Advanced standard, allowing licensees to develop soft modems for the first time. LTE-Advanced will support data rates above 1 Gb/s.

New uses for microwaves: Drying coal

China's CoalTek has won government approval to build an industrial-scale facility deploying its proprietary microwave-coal technology in Inner Mongolia. The project will cost more than $350 million and process 10 million metric tons a year. Radiating coal with microwave energy dries it, which makes coal burn easier and raises the efficiency of producing electricity with it. CoalTek has operated a coal-microwaving facility in Kentucky since 2007.

Sony Ericcson Now Just Sony

Starting next month, Sony Ericcson smartphones built by Ericcson based on Google's Android operating system will only sport the Sony brand. Sony acquired Ericsson's 50% stake in their 10-year-old joint venture. The feature phone portfolio will be killed off.

A Message from
Sam Benzacar

Sam Benzacar

Wi-Fi Not Fast Enough?
Just Wait….

Most people are probably happy with their IEEE 802.11n Wi-Fi systems, as the data rate is probably greater than the cable or fiber broadband system it's connected to. However, there's even faster Wi-Fi in the wings. The IEEE 802.11ac standard will bring data rates to about 1 Gb/s, operates at 5 GHz with bandwidths up to 160 MHz, eight MIMO streams, and multi-user MIMO (MU-MIMO) that provides different data streams to multiple devices. The standard should be complete late next year.
Then there's IEEE 802.11ad, popularly called “Microwave Wi-Fi”, although it's somewhat misnamed as it operates at 60 GHz. It is supposed to deliver data rates up to 6 Gb/s (!), and its target is very-high-speed data transfer with a potential range of only about 20 ft. – assuming nobody is standing in the way.
Then there is IEEE 802.11af, which is being called “White-Fi” since it uses the “white spaces” between television channels that became available after the transition in 2009 by TV broadcasters from analog to digital transmission left unused spectrum available for unlicensed use. Services using the spectrum could enable new wireless broadband internet options in areas where it is not available. Devices are required to query a TV-bands database to obtain a list of channels that are available for their operation and automatically avoid them to protect licensed services. The FCC requires that each database be tested for 45 days to ensure accuracy. The first such trial ended on November 2 and another began on December 7.
To make things just a little more confusing, there's IEEE 802.22, a ratified (non-Wi-Fi-related) standard that also uses the TV white spaces to bring broadband access to hard-to-reach, low-population-density areas. It's the first such standard to define a standardized air interface based on cognitive radio technology.
Like every Wi-Fi system, and perhaps more so considering the congested spectrum they operate in, IEE802.22 and IEEE802.11af will require high-performance filters with high-rejection – a specialty at Anatech Electronics for 21 years. Look right to check out some of our standard products for commercial Wi Fi applications, and if you have questions about custom products, just call at (973) 772-4242 or send an e-mail to sales@anatechelectronics.com

Happy Holidays from all of us!

On behalf of everyone at Anatech Electronics, I offer our thanks and wish you all a happy holiday and healthy prosperous New Year!

* Please note that Anatech is closed from 12/26/11 to 1/1/12, and will reopen on Monday 1/2/12.
Free Download:

The Importance of Filters for Wireless Backhaul

Filters play a key role in microwave point-to-point link to keep inference under control. Learn more.

Products for WiFi Hotspots: A Sampling

Our high-performance filters, power dividers, and directional couplers for Wi-Fi applications are extremely rugged and can be weatherized for long-term reliable operation in the most hostile climates. Those below are great examples. If you have questions about custom designs, just call us at (973) 772-4242 or send an e-mail to filters@anatechelectronics.com

2412 MHz Cavity Bandpass Filter (Wifi4S2412-1)

2440 MHz Cavity Bandpass Filter (Wifi4S2440-7)

2462 MHz Cavity Bandpass Filter (Wifi2462-11)
2-Way Power Divider (AM3000PD907)

3-Way Power Divider (AM1700PD1341-N)

4-Way Power Divider (AM2450PD854)

6-dB Directional Coupler (AM1650DC838)

15-dB Directional Coupler (AM1650DC834)

30-dB Dual Directional Coupler (AM1515DC870)

Answers to last month's Sports Trivia Questions

1. What sport used the term "home run" long before baseball?

2. What's an NBA player deemed to be if he's received the Maurice Podoloff Trophy?
The most valuable player

3. What nickname do boxing fans call 300-pound Eric Esch, King of the Four-Rounders

Sports Trivia Questions!

Smiley Face

1. What company's logo is called the "swoosh"? 

2. What racing competition became a best-of-nine series in 1995?

3. What two players are tied for second behind Ty Cobb in total career runs?
Tel: 973-772-4242 | Fax: 973-772-4646

About Anatech Electronics;
AAnatech 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 and standard products are available for purchase at the Anatech Electronics Web store, AMCrf.com.


Anatech Electronics, Inc.
70 Outwater Lane
Garfield, NJ 07026
(201) 772-4242

Posted  12/15/2011
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