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Industry News RF Micro Devices Inc. (RFMD) announced it has signed an agreement to sell the majority of its Bluetooth“ assets to QUALCOMM for $39 M. The pending transaction is expected to provide QUALCOMM access to next-generation Bluetooth technology. RFMD anticipates the transaction will enable it to increase its...

EMC Test Software The model SW1006 is the latest version of the company’s radiated susceptibility, conducted immunity and pre-compliance emissions software. Model SW1006 automatically performs both calibration and immunity testing in full compliance with IEC 61000-4-3, 4-6, MIL-STD 461/462 RS103, CS114, RTCA/DO160 Section 20 specifications. The software also supplies...

Ultra Broadband Bias Tee The model BT-50K18 Option PS is a miniature 50 kHz to 18 GHz bias tee, usable to 15 kHz. It has an insertion loss of 0.75 dB and a VSWR of 1.75 is typical. This model offers 60 dB RF/DC isolation between 10 MHz and...

Application Note This application note, “Preamplifiers and System Noise Figure,” is designed to assist engineers in learning how to improve the accuracy of their measurements by using a low noise amplifier in front of a spectrum analyzer to reduce the effective noise figure of RF and microwave test systems....

The Design of CMOS Radio-frequency Integrated Circuits: Second Edition Thomas H. Lee Cambridge University Press • 815 pages; $80 ISBN: 0-521-83539-9 Since publication of the first edition of this book in 1998, RF CMOS has made a rapid transition to commercialization. Back then, the only notable examples of RF...

Five months from now, Honolulu, HI will be the host city for what is widely regarded as the most prestigious microwave industry gathering in the world: the 2007 International Microwave Symposium (IMS 2007), to be held June 3–8, 2007. IMS 2007 is the largest international conference devoted to the...

The promises and shortcomings of microelectromechanical systems (MEMS) switch technology have become almost legendary. Perhaps no other electronic component in history has been the source of so much hype—and the cause of so much disillusionment. So much so, that Internet sites advise engineers to steer clear of MEMS switch...

In the past several years, the wireless local area network (WLAN) market has grown significantly due to the great demand for high speed wireless connectivity. Furthermore, there is a constant desire to keep power consumption, cost and size of the communication devices to a minimum. This has been possible...

Due to the increasing competition in the global wireless communication markets, many wireless terminals, such as mobile phones, personal dispatching assistants (PDA) and laptop computers, are being constructed to integrate more than one communication standard into the same apparatus. This allows the end-users to access different systems that provide...

Microstrip resonators have very important applications in microwave or millimeter-wave systems. They are important components of microstrip filters,1–2 microstrip oscillators3 and microstrip antennas,4 and enable microwave equipment miniaturization with improved performance. A stepped-impedance resonator (SIR) is the fundamental resonant element that can operate from RF to millimeter-wave frequencies and...