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April 2022 Issue
Featured Articles
Copyright © IEEE
Simultaneous Use of the Born and Rytov Approximations in Real-Time Imaging
Fourier-space scattered-power mapping (F-SPM) is proposed as a computationally efficient alternative to the original real-space SPM method for real-time quantitative image reconstruction with an emphasis on close-range and near-field applications. A combined Born-Rytov F-SPM method is exhibited that consistently improves the image quality in comparison with the images generated when using either approximation separately.
Copyright © IEEE
A 200 GHz Fully Integrated, Polarization-Resolved Quasi-Optical Detector
A 200-GHz polarization-resolved quasi-optical detector employing monolithically integrated zero-bias heterostructure backward diodes (HBDs) is demonstrated. The detector is promising for developing terahertz polarimetric sensors and imaging arrays in chemical sensing, biomedical imaging, and radio astronomy applications.
Wideband Amplifier Delivers +24 dBm
from 71 to 86 GHz
Mini-Circuits’ ZVA-71863HP+ is a coaxial, medium power amplifier operating from 71 to 86 GHz, supporting a wide range of high-frequency applications from automotive testing to E-band 5G, SATCOM and more. The amplifier provides 38 dB gain with ±1.5 dB flatness and +24 dBm output power at saturation. This model operates over a single supply voltage range from +10 to +15V.
Copyright © IEEE
High-Power Digital Transmitters for Wireless Infrastructure Applications
A fully digital transmitter (DTX) using a low-voltage CMOS controller in combination with a segmented FET-based high-power output stage is presented. The primary goal of this article is to provide the reader with the lessons learned designing world first >10-W segmented power DTX, yielding a set of clear guidelines and directions for developing a new, improved generation of power DTX line-ups.
Copyright © IEEE
Peak Power Handling Capability in Groove Gap Waveguide Filters Based
This letter studies the peak power handling capability (PPHC) in groove gap waveguide filters based on horizontally polarized resonators. Moreover, a modification of the resonant cavity is proposed, where the central pins of the original structure are replaced by a rounded metal block.
Copyright © IEEE
Continuously Tunable 3-D Printed Helical Resonators and Bandpass Filters
This letter reports on a new class of agile helical resonators and bandpass filters (BPFs) with continuously-tunable center frequency. RF tuning is achieved by altering the liquid metal (LM) volume within an additively-manufactured plastic tube that has the shape of a helix and forms the inner conductor of the helical resonator.
In-Design EM Analysis for Microwave/RF
Design Webinar
Join us on 4/13 to discover best practices for proper EM analysis to help you achieve accurate simulation results and optimize in a short timeframe.
MTT-S News
Upcoming Events/Calls
Texas Symposium 2022 | Waco, Tx | Apr 19-20, 2022

The 13th IEEE Texas Symposium on Wireless and Microwave Circuits and Systems (TSWMCS) will be held in-person on April 19-20, 2022, at the Baylor Research and Innovation Collaborative (BRIC) building on the campus of Baylor University in Waco, TX. The conference is devoted to a wide variety of topical areas of RF, microwave and mmWave circuits and systems, emerging wireless technologies, photonics, radar systems, and device modeling/testing methods.
IMBioC 2022 | Suzhou, China | May 16-18, 2022

The 2022 IEEE International Microwave Biomedical Conference (IMBioC 2022) is an international forum to exchange ideas and information on state-of-the-art research in RF and microwave, antennas and electromagnetic theory and techniques, that bridge the science and engineering gap as applied to biomedical systems. IMBioC 2022 is organized by National University of Singapore Suzhou Research Institute and co-organized by Nanjing University of Science and Technology, China.
WAMICON 2022 | Clear Water, FL | Apr 27-28, 2022

The 22nd annual IEEE Wireless and Microwave Technology Conference (WAMICON 2022) will be held in Clearwater Beach, Florida, on April 27-28, 2022.The conference will address up-to-date multidisciplinary research needs and interdisciplinary aspects of wireless and RF technology. The central theme of WAMICON 2022 is "Waves Through Air and Space."
GeMiC 2022 | Ulm, Germany | May 16-18, 2022

The 14th German Microwave Conference 2022, May 16-18, will be hosted by the University of Ulm in cooperation with IMA e.V. and VDE/ITG. GeMiC 2022 provides a unique platform of exchange with experts and to meet colleagues from industry, research institutes, and universities. Topics include electronics, active and passive circuits, antennas, sensors & systems.
Editorial Board
Dr. Hjalti Sigmarsson
University of Oklahoma, USA
Managing Editor
Dr. Tejinder Singh
Dell Technologies, Canada
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