IEEE Microwave Magazine

Volume 14 Issue 1 • Jan.-Feb. 2013

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Displaying Results 1 - 25 of 37
  • [Front cover]

    Publication Year: 2013, Page(s): C1
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  • Table of contents

    Publication Year: 2013, Page(s):3 - 4
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  • Society listing

    Publication Year: 2013, Page(s): 4
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  • And Another Thing... [From the Editor's Desk]

    Publication Year: 2013, Page(s):6 - 10
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  • AMTA 2013

    Publication Year: 2013, Page(s): 11
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  • Passing the torch [President's Column]

    Publication Year: 2013, Page(s):12 - 14
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  • European Microwave Week 2013

    Publication Year: 2013, Page(s): 15
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  • Where Are the Average Engineers? [MicroBusiness]

    Publication Year: 2013, Page(s):18 - 20
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  • Antimagnet [Microwave Surfing]

    Publication Year: 2013, Page(s):22 - 173
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  • Handling RF Power: The Latest Advances in RF-MEMS Tunable Filters

    Publication Year: 2013, Page(s):24 - 38
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8492 KB) | HTML iconHTML

    RF-MEMS technology permits practical implementations of high-Q (Q from 300 to over 1,000) tunable microwave filters with power handling in the >;1-10 W range, with significant tuning range (>;50% to 100%), and ultra-low power consumption. Continuously frequency-tunable filters with mechanical actuation in the opposite direction of RF-inducted pressure can reach powers up to several w... View full abstract»

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  • RF MEMS-CMOS Device Integration: An Overview of the Potential for RF Researchers

    Publication Year: 2013, Page(s):39 - 56
    Cited by:  Papers (20)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5257 KB) | HTML iconHTML

    Over the past decades, a great deal of progress has been made in the development of semiconductor manufacturing processes. This in turn has made possible the monolithic integration of microelectromechanical systems (MEMS) devices with driving, controlling, and signal processing CMOS electronics [1][4]. There have been several successful well known commercial examples of integrated MEMS-CMOS device... View full abstract»

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  • The Search for a Reliable MEMS Switch

    Publication Year: 2013, Page(s):57 - 67
    Cited by:  Papers (57)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3731 KB) | HTML iconHTML

    The RF community has long been searching for the ideal switch since the birth of electronics, and it is defined as a device having virtually no insertion loss (Ron = 0 Ω) over a wide frequency range, very high isolation [off-state capacitance (Coff)] = 0 fF), extremely high linearity (IIP2 and IIP3 → infinite), medium- to high-power handling (100 mW to 1 kW), and no dc power consumption. Our entir... View full abstract»

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  • Delta-sigma-based transmitters: Advantages and disadvantages

    Publication Year: 2013, Page(s):68 - 78
    Cited by:  Papers (30)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2898 KB) | HTML iconHTML

    Power efficiency is one of the most important parameters in designing communication systems, especially battery operated mobile terminals. In a typical transceiver, most of the power is dissipated in the power amplifier (PA) and consequently, it is very important to obtain the maximum efficiency from the PA. A PA operating in Class AB or B is at its maximum efficiency when it is driven by its maxi... View full abstract»

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  • The last barrier: on-chip antennas

    Publication Year: 2013, Page(s):79 - 91
    Cited by:  Papers (72)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3752 KB) | HTML iconHTML

    This paper has presented a comprehensive overview of on-chip antennas, which remain the last bottleneck for achieving true SoC RF solutions. CMOS remains the mainstream IC technology choice but is not well suited for on-chip antennas, requiring the use of innovative design techniques to overcome its shortcomings. Codesign of circuits and antennas provide leverage to the designer to achieve optimum... View full abstract»

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  • IMS 2013 Student Design Competitions

    Publication Year: 2013, Page(s):92 - 94
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  • A Linear and Efficient Doherty PA at 3.5 GHz

    Publication Year: 2013, Page(s):95 - 101
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2408 KB) | HTML iconHTML

    In this work, a very good match between simulations and measurements of a Doherty PA was observed. To the best of authors' knowledge, the achieved results demonstrated the highest performance in terms of two-tone efficiency at high linearity that can be found in literature. With this simulation-based design, the possibility of successfully achieving a desired performance in practice, even in terms... View full abstract»

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  • Rugged High-Linearity, Low-Noise Amplifier for 1.57-GHz GPS Band

    Publication Year: 2013, Page(s):102 - 107
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (786 KB) | HTML iconHTML

    With this work, we have shown that even high linearity and a low NF can be achieved with extremely low power consumption. The amplifier was optimized for a maximum input power level of -20 dBm. This requires a careful adjustment of the operation point of the transistor in combination with optimized input and output matching networks. With this design an OIP3 of more than 30 dBm could be achieved o... View full abstract»

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  • LDMOS Modeling

    Publication Year: 2013, Page(s):108 - 116
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1595 KB) | HTML iconHTML

    This article describes the detailed efforts of the winning contribution of the first student competition in microwave transistor modeling, held at the 2012 International Microwave Symposium (IMS2012) in Montreal, Quebec, Canada. The competition was sponsored by MTT-1, Freescale Semiconductor Inc., and WIN Semiconductor Inc. The transistor modeled was a commercially available high-power device from... View full abstract»

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  • Highly Efficient Compact Rectenna for Wireless Energy Harvesting Application

    Publication Year: 2013, Page(s):117 - 122
    Cited by:  Papers (39)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1294 KB) | HTML iconHTML

    In this article, the design procedure of the winning WEH device in the IMS2012 Student Design Competition is presented. The designed WEH circuit is a rectenna consisting of a rectifier in voltage doubler structure and a folded dipole antenna. The design steps of the rectifier circuit and the antenna are explained in detail, and simulation and measurement results are shown. View full abstract»

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  • Packaged Tunable Bandpass Filters Based on Varactor-Loaded Spiral Combline Topology

    Publication Year: 2013, Page(s):123 - 127
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2904 KB) | HTML iconHTML

    This article describes the winning work at the student packaged broadband tunable bandpass filters design competition at the 2012 IEEE MTT-S International Microwave Symposium (IMS2012), Montreal, Canada. According to the competition design rules, the broadband tunable bandpass filter circuitry must be planar on a printed circuit board and securely mounted in the metal package with a copper tape li... View full abstract»

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  • Mixed-Signal Multimode Radio Software/Hardware Development Platform

    Publication Year: 2013, Page(s):128 - 133
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1886 KB) | HTML iconHTML

    In this article, a multimode transmitter and feedback receiver implementation are presented, the feedback frequency response correction is described, circuit of a programmable and phase-coherent synthesizer is outlined, and the developed signal processing algorithms and dashboard are detailed. View full abstract»

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  • Development of Multiharmonic Verification Artifact for the LSNA and NVNA (MTT-11)

    Publication Year: 2013, Page(s):134 - 139
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1166 KB) | HTML iconHTML

    In this article, a unique approach is presented to design and fabricate a circuit, rich in nonlinear contents with reduced sensitivity to bias, temperature, and load variations so that it can be used to validate the performance of LSNAs or NVNAs. This circuit was judged to be a joint winner in the 2012 IEEE MTT-S International Microwave Symposium (IMS2012) Student Design Competition, Design of a C... View full abstract»

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  • Development of a Large-Signal-Network-Analyzer Round-Robin Artifact

    Publication Year: 2013, Page(s):140 - 145
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2289 KB) | HTML iconHTML

    This article presents the design and measurement results of the contest-winning LSNA round-robin artifact. The proposed two-port device was designed with respect to the objective of complementing an upcoming LSNA international round-robin between measurement facilities. The proposed device consists of three parts, a nonlinear circuit generating the required five harmonics based on a monolithic InG... View full abstract»

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  • Simple and low-cost platforms for cognitive radio experiments [Application Notes]

    Publication Year: 2013, Page(s):146 - 157
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4275 KB) | HTML iconHTML

    In the decade since it was first proposed, cognitive radio (CR) has become a popular research topic. While most prototypes are based on a cognitive engine (CE) controlling a software defined radio (SDR) subsystem, in this article we present the reader with a somewhat novel CR architecture in which an RF application specific integrated circuit (ASIC) or system on a chip replaces the usual SDR porti... View full abstract»

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  • MTT-S Undergraduate/Pregraduate Scholarship Awards [Education News]

    Publication Year: 2013, Page(s):158 - 162
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Aims & Scope

IEEE Microwave Magazine is intended to serve primarily as a source of information of interest to professionals in the field of microwave theory and techniques.

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Meet Our Editors

Editor-in-Chief
Alfy Riddle
M/A-COM Technology Solutions
microwave.editor@ieee.org

408-506-0972