# IEEE Microwave and Wireless Components Letters

## Filter Results

Displaying Results 1 - 22 of 22

Publication Year: 2013, Page(s):C1 - C4
| PDF (134 KB)
• ### IEEE Microwave and Wireless Components Letters publication information

Publication Year: 2013, Page(s): C2
| PDF (154 KB)
• ### A Hybrid Electromagnetics-Circuit Simulation Method Exploiting Discontinuous Galerkin Finite Element Time Domain Method

Publication Year: 2013, Page(s):113 - 115
Cited by:  Papers (18)
| | PDF (690 KB) | HTML

A hybrid electromagnetics (EM)-circuit simulation method employing the discontinuous Galerkin finite element time domain (DGFETD) method is developed to model single lumped port networks comprised of both linear and non-linear elements. The whole computational domain is split into two subsystems: one is the EM subsystem that is analyzed by DGFETD, while another is the circuit subsystem that is mod... View full abstract»

• ### Improved polynomial chaos discretization schemes to integrate interconnects into design environments

Publication Year: 2013, Page(s):116 - 118
Cited by:  Papers (8)
| | PDF (632 KB) | HTML

Recently, an efficient stochastic modeling method for interconnects with inherent variability in their physical parameters was proposed, based on applying the so-called polynomial chaos (PC) approach in conjunction with a Stochastic Galerkin Method (SGM) onto telegrapher's equations. Although this approach was already very successful from a numerical point of view, the novel technique could not be... View full abstract»

• ### A Novel Wideband Bandpass Power Divider With Harmonic-Suppressed Ring Resonator

Publication Year: 2013, Page(s):119 - 121
Cited by:  Papers (31)
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A simple stub-loaded ring resonator is presented as a novel wideband bandpass power divider with good in-band responses and out-of-band harmonic suppression. The first two resonances of the ring resonator are excited and employed to construct a wideband passband. By adjusting the length of loaded open stubs, four transmission zeros can be generated in the lower and upper stopbands. After installin... View full abstract»

• ### Design and Testing of a Single-Layer Microstrip Ultrawideband 90° Differential Phase Shifter

Publication Year: 2013, Page(s):122 - 124
Cited by:  Papers (17)
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This letter proposes a design of single-layer microstrip ultrawideband (UWB) 90° differential phase shifter. The operating bandwidth covers the UWB frequency range from 3.1-10.6 GHz. The design is optimized using a transmission line model and an electromagnetic model, and have been fabricated using a plotter dealing with generation of printed circuits. The measured S1... View full abstract»

• ### Design of a Wideband Balun Using Parallel Strips

Publication Year: 2013, Page(s):125 - 127
Cited by:  Papers (8)
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A wideband balun designed by exact synthesis is presented in this letter. The designed balun has a symmetrical four-port structure with one port open-ended. It consists of a wideband impedance transformer and a broadband phase inverter, which is realized by connecting bottom and top layer parallel strip through two via holes. To design the wideband impedance transformer, an S-plane highpass... View full abstract»

• ### A Novel Ultra-Wideband Differential Filter Based on Microstrip Line Structures

Publication Year: 2013, Page(s):128 - 130
Cited by:  Papers (27)
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A novel differential filter with ultra-wideband (UWB) response is proposed in this letter based on microstrip line structures. 180° UWB phase shifters and 360° transmission lines are employed in the design to get the 180° phase shift over broad bandwidth. In this way, the broadband conversion between in- and out-of-phase signals can be realized... View full abstract»

• ### A Tune-All Wideband Filter Based on Perturbed Ring-Resonators

Publication Year: 2013, Page(s):131 - 133
Cited by:  Papers (5)
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A dual-mode resonator is presented for tunable wideband filters, which allows tunability in both the centre frequency and bandwidth. It is based on a new perturbation arrangement in a ring-resonator that is electronically tuned with varactor diodes. A filter is designed for a radio astronomy receiver application. It consists of 6 cascaded dual-mode resonators with a 49% bandwidth in the L-band. Hi... View full abstract»

• ### A coplanar waveguide bandwidth-tunable lowpass filter with broadband rejection

Publication Year: 2013, Page(s):134 - 136
Cited by:  Papers (6)
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A coplanar waveguide lowpass filter (CPW-LPF) with high bandwidth tunability and broadband rejection is demonstrated. Compared to the reported design approaches, a relatively straightforward design with varactor-tuned microwave resonators is proposed for the realization of the tunable CPW-LPF. It is shown that the presented tunable CPW-LPF has a wide bandwidth tuning range via a small bias swing, ... View full abstract»

• ### Analytical Coupled-Resonator Filter Synthesis Method by Extraction of Fully Canonical Second Order Blocks

Publication Year: 2013, Page(s):137 - 139
Cited by:  Papers (3)
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This work presents an analytical method for extraction of cascaded fully canonical second order blocks, formed by two resonators with a direct input-output coupling that generates two transmission zeros. Starting from the transfer matrix of the complete network and the specification of the transmission zeros, the method finds a decomposition of the transfer polynomials into two new sets correspond... View full abstract»

• ### A Novel Transformer Based Current Reused VCO/ILFD With Variable Dividing Ratio

Publication Year: 2013, Page(s):140 - 142
Cited by:  Papers (2)
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A novel, current reused, voltage-controlled oscillator (VCO) and injection-locked frequency divider (ILFD) with variable dividing ratio is presented and implemented in UMC 0.18 triple-well CMOS process. The proposed architecture allows compact and low power solution to be attained by the stacking of a ring-type ILFD and a transformer based VCO. The LC VCO provides the wideband differential output ... View full abstract»

• ### A Current-Switching and $g _{m}$-Enhanced Colpitts Quadrature VCO

Publication Year: 2013, Page(s):143 - 145
Cited by:  Papers (7)
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This letter presents the design and analysis for a low-phase-noise and low-power Colpitts quadrature voltage-controlled oscillator (QVCO). The Colpitts QVCO employs current switching to lower the phase noise, gm enhancement to improve the startup condition in the oscillator core, and device reuse to realize anti-phase injection locking for QVCO operation. The proposed Colpitts QVCO has supe... View full abstract»

• ### A Back-Gate Coupling Quadrature Voltage-Control Oscillator Embedded With Self Body-Bias Schema

Publication Year: 2013, Page(s):146 - 148
Cited by:  Papers (12)
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A quadrature voltage-controlled oscillator was designed with back-gate coupling and embedded self body-biasing and implemented with the TSMC 0.18 μm 1P6M CMOS technology. Without using any extra negative bias-pin in the current-reuse structure, this embedded body-bias schema makes the switching transistors become forward body-biased in the duration of turn-on. It is not only beneficial for ... View full abstract»

• ### A 15–40 GHz CMOS True-Time Delay Circuit for UWB Multi-Antenna Systems

Publication Year: 2013, Page(s):149 - 151
Cited by:  Papers (6)
| | PDF (445 KB) | HTML

A CMOS true-time delay (TTD) circuit operating from 15 to 40 GHz is presented for integrated UWB multi-antenna systems. The TTD circuit employs a distributed active switching structure in which eight cascode switches are distributed along transmission lines, leading to 3-bit variations of the group delay. The size of the switches and the characteristic impedance of the transmission lines are caref... View full abstract»

• ### A 2.24 mW 74 dBΩ-Gain, dc to 600 MHz-BW differential baseband amplifier for 60 GHz wireless applications

Publication Year: 2013, Page(s):152 - 154
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A low power, wideband and high linearity current-mode based differential baseband amplifier with a bandwidth from dc to 600 MHz applied for 60 GHz zero-IF RF receiver is presented. The wideband differential baseband amplifier is realized in a 90 nm CMOS process. A series-series feedback technique and a Q-enhanced active inductor are adopted in the current-mode baseband amplifier for achieving wide... View full abstract»

• ### A Reconfigurable Differential CMOS RF Energy Scavenger With 60% Peak Efficiency and -21 dBm Sensitivity

Publication Year: 2013, Page(s):155 - 157
Cited by:  Papers (16)  |  Patents (1)
| | PDF (577 KB) | HTML

A differential RF-DC CMOS converter for RF energy scavenging based on a reconfigurable voltage rectifier topology is presented. The converter efficiency and sensitivity are optimized thanks to the proposed reconfigurable architecture. Prototypes, realized in 130 nm, provide a regulated output voltage of ~2 V when working at 868 MHz, with a -21 dBm sensitivity. The circuit efficiency peaks at 60%, ... View full abstract»

• ### 20-pJ/Pulse 250 Mbps Low-Complexity CMOS UWB Transmitter for 3–5 GHz Applications

Publication Year: 2013, Page(s):158 - 160
Cited by:  Papers (7)
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This letter presents a CMOS on-off keying 3-5 GHz ultra-wideband (UWB) transmitter with low complexity, low power and high speed. In the transmitter, a new differential narrow triangular pulse generator using push and pull integrating technique was designed for reducing quiescent current and common-mode interference, and a new complementary switch mode on-off voltage controlled ring oscillator (VC... View full abstract»

• ### 32 dBm Power Amplifier on 45 nm SOI CMOS

Publication Year: 2013, Page(s):161 - 163
Cited by:  Papers (10)
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A silicon metal-semiconductor-field-effect-transistor (MESFET) power amplifier operating at 900 MHz fabricated on a 45 nm silicon-on-insulator CMOS process with no changes to the process flow is presented. The soft breakdown of the MESFET is 20 times that of the MOSFET and allowed a single transistor amplifier based on Class A bias conditions to operate at up to 32 dBm output power with an 8 V dra... View full abstract»

• ### Energy Harvesting Circuit on a One-Sided Directional Flexible Antenna

Publication Year: 2013, Page(s):164 - 166
Cited by:  Papers (25)
| | PDF (615 KB) | HTML

The present letter describes the design of an energy harvesting circuit on a one-sided directional flexible planar antenna. The circuit is composed of a flexible antenna with an impedance matching circuit, a resonant circuit, and a booster circuit for converting and boosting radio frequency power into a dc voltage. The proposed one-sided directional flexible antenna has a bottom floating metal lay... View full abstract»

• ### 2013 IEEE membership form

Publication Year: 2013, Page(s):167 - 168
| PDF (1484 KB)
• ### IEEE Microwave and Wireless Components Letters Reviewers List

Publication Year: 2013, Page(s): C3
| PDF (277 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