The Opportunities and Challenges of LTE Unlicensed in 5 GHz
David Witkowski, Executive Director, Wireless Communications Initiative
In 1998, the Federal Communications Commission established the Unlicensed National Information Infrastructure or U-NII 5 GHz bands. These are used primarily for Wi-Fi networks in homes, offices, hotels, airports, and other public spaces and also consumer devices. U-NII is also used by wireless Internet Service Providers, linking public safety radio sites, and for monitoring and critical infrastructure such as gas/oil pipelines.

MMD March 2014

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Band Reject Filter Series
Higher frequency band reject (notch) filters are designed to operate over the frequency range of .01 to 28 GHz. These filters are characterized by having the reverse properties of band pass filters and are offered in multiple topologies. Available in compact sizes.
RLC Electronics

SP6T RF Switch
JSW6-33DR+ is a medium power reflective SP6T RF switch, with reflective short on output ports in the off condition. Made using Silicon-on-Insulator process, it has very high IP3, a built-in CMOS driver and negative voltage generator.

Group Delay Equalized Bandpass Filter
Part number 2903 is a group delayed equalized elliptic type bandpass filter that has a typical 1 dB bandwidth of 94 MHz and a typical 60 dB bandwidth of 171 MHz. Insertion loss is <2 dB and group delay variation from 110 to 170 MHz is <3nsec.
KR Electronics

Absorptive Low Pass Filter
Model AF9350 is a UHF, low pass filter that covers the 10 to 500 MHz band and has an average power rating of 400W CW. It incurs a rejection of 45 dB minimum at the 750 to 3000 MHz band, and power rating of 25W CW from 501 to 5000 MHz.

LTE Band 14 Ceramic Duplexer
This high performance LTE ceramic duplexer was designed and built for use in public safety communication and commercial cellular applications. It operates in Band 14 and offers low insertion loss and high isolation to enable clear communications in the LTE network.
Networks International

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ADI Completes Acquisition of Hittite Microwave

“We are delighted to inform you that Analog Devices, Inc. (ADI) has successfully completed the acquisition of Hittite Microwave Corporation. We are excited to welcome Hittite’s employees, products, and technology to the ADI family.

With the close of this acquisition, we bring an exceptional company with a long and rich history into the ADI fold. By combining forces, we strengthen our innovation capability across RF, microwave, and millimeter wave applications, and create even greater value for you by addressing the entire frequency spectrum. Importantly, with the added talent, capabilities, and technologies that Hittite Microwave brings to ADI, we are able to serve you better as an integrated supplier for all of your analog, mixed-signal, RF, and microwave needs.

Since we announced our intentions to acquire Hittite Microwave in early June, ADI and Hittite Microwave have been planning diligently for the integration of our two companies in order to provide more customer value. A lot of momentum has been built and now that the acquisition is final, we will continue building on this progress to ensure we maintain our high levels of innovation, performance, and customer support. We are all fully committed to providing you with the best possible customer experience, and in order to assure just that, our plan is to conduct business as usual for the foreseeable future while we continue to combine the expertise and technology from ADI and Hittite Microwave.”

-- Thomas Wessel, Vice President, Worldwide Sales, Analog Devices
Wessel also invited us to visit to access FAQs designed to address potential questions about this acquisition. Also, please feel free to reach out to your ADI sales representative for additional information and to learn more about Hittite Microwave Products from Analog Devices.




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Uncertain Times for DefenseOpen’s Systems and Changes in DoD Procurement: This Time It’s Real
By Barry Manz

The U.S. Department of Defense has a well-earned reputation for inertia. Many proposals for change are made – but nothing happens. The COTS initiative, which promised cost savings through the use of off-the-shelf commercial parts, sounded terrific at the time. It heralded a major departure from standard DoD procurement that more or less guaranteed that every system would be different in part because it used parts that were developed from scratch, leading to “one-off” systems that were very expensive. Read More...

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