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# IEEE Microwave and Wireless Components Letters

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Displaying Results 1 - 23 of 23
• ### Table of contents

Publication Year: 2012, Page(s):C1 - C4
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• ### IEEE Microwave and Wireless Components Letters publication information

Publication Year: 2012, Page(s): C2
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• ### A Pseudo-Elliptical Response Filter at W-Band Fabricated With Thick SU-8 Photo-Resist Technology

Publication Year: 2012, Page(s):105 - 107
Cited by:  Papers (16)
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The design and experimental validation of a pseudo-elliptical response filter at W-Band is presented. A micromachining technique based on the thick SU-8 photo-resist is used to construct the filter. The optimized structure is specially well-suited for the implementation of filters with transmission zeros by means of micromachining techniques, since the extracted poles are implemented by simple stu... View full abstract»

• ### A Grating-Based Circular Polarization Duplexer for Submillimeter-Wave Transceivers

Publication Year: 2012, Page(s):108 - 110
Cited by:  Papers (8)
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A quasioptical duplexer based on a metallic grating polarizer has been designed and demonstrated in a submillimeter-wave imaging radar system. The grating converts between linear and circular polarization with low loss and high isolation, and it is simple to manufacture by cutting grooves into a scanning subreflector. The grating profile and period were optimized to provide good polarizing efficie... View full abstract»

• ### Design of Dual-Band Interdigital Bandpass Filters Using Both Series and Shunt Resonators

Publication Year: 2012, Page(s):111 - 113
Cited by:  Papers (5)
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In this letter, we present a simple design method for dual-band bandpass filters (BPFs) with two independently controllable bandwidths. The proposed design is based on hybrid resonators which have both series and shunt resonances. For compact size, an interdigital BPF type is utilized. The simple design procedures are established based on an equivalent lumped circuit of the proposed dual-band BPF.... View full abstract»

• ### Multi-Layered Dual-Band Bandpass Filter Using Stub-Loaded Stepped-Impedance and Uniform-Impedance Resonators

Publication Year: 2012, Page(s):114 - 116
Cited by:  Papers (15)
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The design of multi-layered dual-band bandpass filter using stub-loaded stepped-impedance and uniform-impedance resonators is proposed. The filter is designed to have dual-passband at 2.4, and 5.2 GHz for Wireless Local Area Network (WLAN). The multi-layered filter consists of the stub-loaded stepped-impedance resonator (SL-SIR) on the top layer and the stub-loaded uniform-impedance resonator (SL-... View full abstract»

• ### Novel Miniaturized RF MEMS Staircase Switch Matrix

Publication Year: 2012, Page(s):117 - 119
Cited by:  Papers (2)
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A novel implementation of wideband large switch matrices is proposed in this letter. The solution is based on staircase geometry. The approach demonstrates significant reduction in the number of control signal required compared to all existing RF MEMS switch matrix geometries, while maintaining the performance. This letter presents the design and characteristics of a semi-T switch cell and a 3 &am... View full abstract»

• ### Ferrite-Loaded Substrate Integrated Waveguide Switch

Publication Year: 2012, Page(s):120 - 122
Cited by:  Papers (17)
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A magnetically controlled switch based on ferrite-loaded substrate integrated waveguide (FLSIW) is proposed. FLSIW consists of rectangular ferrite slabs loaded on the sidewall slots of SIW where the magnetic fields are strongest. With the application of an external magnetic bias on the ferrite slabs, the cutoff frequency of the FLSIW is changed, thereby making the SIW switchable. An X-band reflect... View full abstract»

• ### Electrically Tunable Evanescent Mode Half-Mode Substrate-Integrated-Waveguide Resonators

Publication Year: 2012, Page(s):123 - 125
Cited by:  Papers (15)
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Electrically tunable evanescent mode half mode substrate integrated waveguide (HMSIW) resonators are implemented for S band applications. An HMSIW loaded with a complementary split ring resonator (CSRR) achieves forward electromagnetic wave transmission below the characteristic waveguide cutoff frequency due to evanescent wave amplification. A variable capacitor connected to one of the conductors ... View full abstract»

• ### Design of a Waveguide Diplexer Based on Connected Bi-Omega Particles

Publication Year: 2012, Page(s):126 - 128
Cited by:  Papers (12)
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In this letter, we propose a new waveguide diplexer based on the employment of connected bi-omega particles. The component consists in a junction between three waveguides with the same cross-section. At either of the junction sections between the feeding waveguide and the two output ones, we place a set of connected bi-omega particles. The two sets of particles have different dimensions, in order ... View full abstract»

• ### New Microstrip Gap Waveguide on Mushroom-Type EBG for Packaging of Microwave Components

Publication Year: 2012, Page(s):129 - 131
Cited by:  Papers (22)  |  Patents (2)
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The gap waveguide has been recently presented as a new transmission line technology using artificial magnetic conductors (AMCs) to allow the wave propagation only along a desired path. The first validation has been provided using a lid of metal pins as AMC for high frequency applications. In this letter, simulations and measurement results are presented for another version called microstrip gap wa... View full abstract»

• ### A 3.6 mW 125.7–131.9 GHz Divide-by-4 Injection-Locked Frequency Divider in 90 nm CMOS

Publication Year: 2012, Page(s):132 - 134
Cited by:  Papers (28)
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A divide-by-4 injection-locked frequency divider (ILFD) is realized in a 90 nm CMOS process. By using the coupled inductors, the locking range of the proposed divide-by-4 ILFD is enhanced. This ILFD has a measured locking range of 125.7-131.9 GHz. Its power consumption is 3.6 mW for a supply of 1.2 V. To the authors' best knowledge, this is the first CMOS divide-by-4 ILFD operated over 130 GHz. View full abstract»

• ### A 60 GHz Current-Reuse LO-Boosting Mixer in 90 nm CMOS

Publication Year: 2012, Page(s):135 - 137
Cited by:  Papers (14)
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This letter presents a 60 GHz direct down-conversion mixer in a 90 nm CMOS. The mixer consists of an RF transconductance stage, a switching stage, an LO amplification stage, a balun and a buffer amplifier, and employs a current-reuse LO-boosting technique for low power consumption with small LO input power. The measured conversion gain of the differential IF output is 12 dB at an input LO power of... View full abstract»

• ### 13 GHz CMOS Active Inductor LC VCO

Publication Year: 2012, Page(s):138 - 140
Cited by:  Papers (27)
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A 13 GHz active inductor LC voltage controlled oscillator (VCO) has been realized in 90 nm CMOS technology by ST-Microelectronics. The VCO consists of two complementary cross-coupled pairs, an active LC tank implemented by means of a differential high-Q low-noise active inductor and two p-MOSFET varicaps, and an output buffer stage. The measurements show a phase noise of -105.25 dBc/Hz at 1 MHz fr... View full abstract»

• ### A X-Band ${rm I}/{rm Q}$ Upconverter in 65 nm CMOS for High Resolution FMCW Radars

Publication Year: 2012, Page(s):141 - 143
Cited by:  Papers (1)
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This work presents a CMOS X-band I/Q upconverter for a FMCW radar system. The use of passive current mixers allows to address the main drawbacks of CMOS technology, namely flicker noise and reduced linearity due to low supply voltage, paving the way to monolithic integration with digital intensive baseband circuitry. Prototypes were built in a 65 nm digital technology, showing a peak output power ... View full abstract»

• ### Cryogenic InAs/AlSb HEMT Wideband Low-Noise IF Amplifier for Ultra-Low-Power Applications

Publication Year: 2012, Page(s):144 - 146
Cited by:  Papers (8)
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A cryogenic wideband 4-8 GHz hybrid low-noise amplifier, based on a 110 nm gate length InAs/AlSb HEMT process is presented. At room temperature the three-stage amplifier exhibited a transducer gain of 29 dB and a noise temperature of 150 K with 17.6 mW power consumption. When cooled to 13 K, the amplifier showed a minimum noise temperature of 19 K at a power consumption of 6 mW (66% reduction comp... View full abstract»

• ### Superoscillatory Radar Imaging: Improving Radar Range Resolution Beyond Fundamental Bandwidth Limitations

Publication Year: 2012, Page(s):147 - 149
Cited by:  Papers (4)
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In this work, we propose to improve the range resolution in a conventional radar system by employing a superoscillatory pulse as the radar pulse. A superoscillatory waveform is a waveform which contains, across a finite time interval, faster variations than its highest constituent frequency component. As such, radar imaging using a superoscillatory pulse allows one to detect an object with a range... View full abstract»

• ### Low-Cost Analog Pulse Compression Technique Based on Mixing With an Auxiliary Pulse

Publication Year: 2012, Page(s):150 - 152
Cited by:  Papers (2)
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A low-cost analog pulse compression technique is proposed and experimentally demonstrated for a quasi-gaussian pulse. This technique consists in multiplying the pulse to compress with an auxiliary baseband gaussian pulse, which results in a compression of √2, and re-injecting this pulse n times around a loop including an amplifier, a delay line and an isolator, so as to achieve a com... View full abstract»

• ### Simultaneous High Intensity Ultrashort Pulsed Electric Field and Temperature Measurements Using a Unique Electro-Optic Probe

Publication Year: 2012, Page(s):153 - 155
Cited by:  Papers (15)
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High intensity nanosecond pulsed electric fields and temperature were simultaneously measured using a unique electro-optic (EO) probe. The measurements were performed in an electroporation cuvette with 4 mm electrode gap and filled with a buffered salt solution. High voltage generators delivering 2.6 and 10 ns duration pulses with different pulses shape and intensity were investigated. The EO prob... View full abstract»

• ### A Novel All-Digital Multichannel Multimode RF Transmitter Using Delta-Sigma Modulation

Publication Year: 2012, Page(s):156 - 158
Cited by:  Papers (10)
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In this letter, we present a new all-digital multichannel multimode transmitter architecture. The main novelty is the development of an agile radio transmitter where the digital up-conversion to RF operating in the gigahertz frequency range and the multichannel transmission capacity are embedded into a single field-programmable gate array device. Its high flexibility and fast switching of the carr... View full abstract»

• ### Correction to “A 1–9 Linear-Wide-Tuning-Range Quadrature Ring Oscillator in 130 nm CMOS for Non-Contact Vital Sign Radar Application” [Jan 10 34-36]

Publication Year: 2012, Page(s): 159
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In the above titled letter (ibid., vol. 20, no. 1, pp. 34-36, Jan. 2010), an incorrect version of (3) was published. The correct version is presented here. View full abstract»

• ### Have you visited lately? www.ieee.org [advertisement]

Publication Year: 2012, Page(s): 160
| PDF (210 KB)
• ### IEEE Microwave and Wireless Components Letters Reviewers List

Publication Year: 2012, Page(s): C3
| PDF (162 KB)

## Aims & Scope

The IEEE Microwave and Wireless Components Letters (MWCL) publishes three page papers that focus on microwave theory, techniques and applications as they relate to components, devices, circuits, biological effects, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals.

Full Aims & Scope

## Meet Our Editors

Editor in Chief
N. Scott Barker
Dept. Elect. Comp. Eng.
University of Virginia
Charlottesville, VA 22904
barker@virginia.edu
dsk6n@virginia.edu