IN MY OPINION

Future Sparkles for Aluminum-Diamond Heat Spreaders
By Nano Materials International Corp. (NMIC)

About three years ago, I published an article in MPD describing aluminum-diamond metal matrix composites (MMCs) and their unique benefits when used as heat spreaders for GaN devices.
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MILITARY MICROWAVE DIGEST


MMD March 2014
New Military Microwave Digest

ON THE MARKET


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.
Mini-Circuits


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.
Werlatone


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

See all products in this issue


December 2012
VIEW FROM THE TOP


Norm Hilgendorf
President of RFMD’s Multi-Market Products Group, RFMD®

Q: The importance of sustaining and developing technology has reached a point where states and cities are more actively building relationships with universities and recruiting high-tech companies. Good examples are New York State’s “East Coast Silicon Valley” and several cities in Ohio. However, there continues to be a shortage of engineering graduates, especially those focusing on RF and microwave technology. What would your company do (or is doing) to help promote careers in microwave engineering?

A: RFMD® is building relationships with key universities that are active in RFMD’s technical areas of interest. The universities provide avenues for research while establishing an outreach for future employees. Our engagements encompass technology exchanges, support for graduate research, and internships.

Q: For those of you serving the military market, what do you expect 2013 will bring in terms of opportunities in this sector?

A: The flexible military service of the future depends upon robust communications and electronic platforms. The U.S. 2013 military budget causes some uncertainty in the near-term, but there will be continued demand for key communications and radar platforms.

Q: If your company serves the commercial markets, are you encouraged by any particular emerging application or technology?

A: At RFMD, we serve a variety of markets. Two of the strongest applications include smartphones and WiFi. These applications are driving advances in many technologies, including SOI, GaAs, SiGe, CMOS, GaN, and integrated packaging. RFMD employs “optimal technology matching” (OTM®) to utilize the most appropriate technology for a given application.

Q: Last year, we asked what impact the global economic crisis was having on the markets you serve and on how you run your business. What is your current perspective?

A: The macroeconomic environment is obviously a top concern, and an accelerated global recovery would lift our entire industry. That said, RFMD is benefitting from a number of new product cycles and new technology cycles that provide a relative buffer as we navigate broader economic issues. We are leveraging these new products and technologies to expand our customer and channel partner relationships and win additional content in the world’s flagship devices. We are also targeting multiple growth opportunities within the migration to next-generation air interface standards in cellular and as WiFi migrates from 802.11n to 802.11ac. These represent long-term macro trends within the semiconductor industry, and the companies servicing them can benefit greatly.

Q: What countries or regions do you believe will provide the greatest growth potential for the wireless industry in 2013?

A: The Asia market is characterized by massive, growing volumes, and market participants are increasingly demanding higher performance products. Additionally, the U.S. market is characterized by insatiable demand for bandwidth, and the efforts by network operators and device manufacturers to satisfy data-hungry consumers will sustain great potential for growth. ♦

www.rfmd.com
 

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FROM WHERE WE SIT

Uncertain Times for DefenseIn Defense of DARPA; Lamenting Bell Labs
By Barry Manz

A federal agency like DARPA is a sitting duck for politicians and assorted other critics. It has come up with some truly bizarre programs over years that ultimately either delivered no tangible results, were canceled before they could cause any damage, or attempted to answer questions that nobody was asking or needed answers to. Read More...


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