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September 2022 Issue
Featured Articles
Copyright © IEEE
Galvanic-Coupled Trans-Dural Data Transfer for Intracortical Neural Sensing
A digital-impulse galvanic coupling as a new high-speed trans-dural (from cortex to the skull) data transmission method is presented in this article. The proposed wireless telemetry replaces the tethered wires connected in between implants on the cortex and above the skull, allowing the brain implant to be “free-floating” for minimizing brain tissue damage.
Copyright © IEEE
Reconfigurable Multiband Mismatch-Resilient Quasi-Balanced Doherty PA
A reconfigurable Quasi-balanced Doherty PA with concurrent wide bandwidth and load-mismatch resilience is reported. This work unveils a promising PA solution to energy- and spectrum-efficient massive MIMO systems where antenna impedance mismatch is unavoidable due to the array operation.
Connectorized Mixer Covers LO/RF from 20 to
65 GHz
Mini-Circuits’ new ZMDB-653H-E+ coaxial frequency mixer provides an RF and LO frequency range from 20 to 65 GHz and an IF bandwidth from DC to 20 GHz. Usable as an up- and down-converter, this model can handle up to +21 dBm input power and provides +45 dBm L-R Isolation.
Copyright © IEEE
Cough Detection Using FMCW Radar
A body motion artifact cancellation technique is described to detect human cough signals using a FMCW radar. Human coughs are spontaneously accompanied by large-scale body motions, which overwhelm small-scale vibration signals induced by coughing. Experimental validation shows the cough signal can be effectively detected by the radar.
Copyright © IEEE
Microfluidically Reconfigurable mmWave Slow Wave Phase Shifter
A microfluidically reconfigurable phase shifter is introduced for mmWave band operation. Its integrated piezoelectric actuator repositions a selectively metallized plate (SMP) encapsulated within a microfluidic channel to modify the speed of propagation through a microstrip line. The device offers advantages of low insertion loss and high-power handling capability.
Copyright © IEEE
High-Power Circulator: Assembly Design and Challenges
A high-power Y-junction circulator is discussed for radar applications in the Ku-band. The design consists of two identical circulators combined using power splitters at all ports. An internally matched divider is used at one port of the system to eliminate the cavity resonances produced by the practical asymmetries. Experimental validation shows a good agreement between simulated and measured results with ± 2 dB difference in range.
MTT-S News
Upcoming Events/Calls
10th MRW | Gdansk, Poland | Sep 11-15, 2022

The Microwave and Radar Week (MRW) is a reoccurring series of conference in Poland. It contains two parallel conference: the 24th International Microwave and Radar Conference (MIKON), which is a traditional conference of the Polish microwave community, and the International Radar Symposium (IRS), which is a successful European radar symposium that dates back to 1998. MRW2022 event will be held in a hybrid manner with the possibility of virtual participation in the conference.
European Microwave Week | Milan, Italy | Sep 25-30, 2022

The European Microwave Week (EuMW) consists of three cutting edge conferences: the European Microwave Conference (EuMC) 27 - 29 September 2022, the European Microwave Integrated Circuits Conference (EuMIC) 26 - 27 September 2022, and the European Radar Conference (EuRAD) 28 – 30 September 2022. Additionally, there will be workshops, short courses, and several forums. Among the forum topics are: the Defense, Security and Space Forum, the Automotive Forum, and the 5G and Beyond Forum.
MWP 2022 | Virtual Event | Oct 4-6, 2022

The International Topical Meeting on Microwave Photonics (MWP) is the premier international meeting on microwave photonic devices, systems, and applications. This year MWP 2022 will be held virtually. MWP provides a forum for the presentation of new advanced in this multi-disciplinary research area, ranging from novel devices to systems field trials. It is held annually and rotates between the Americas, the Asia-Pacific region and Europe.
PAST 2022 | Boston, MA | Oct 11-14, 2022

IEEE International Symposium on Phased Array Systems and Technology (PAST) will present the most recent advances in phased array technology and present a unique opportunity for members of the international community to interact with colleagues in the field of Phased Array Systems and Technology. The symposium will be hosted in a hybrid format and in-person event will be at The Westin Waltham Boston Waltham, Massachusetts, USA from Oct 11-14, 2022..
Editorial Board
Dr. Hjalti Sigmarsson
University of Oklahoma, USA
Managing Editor
Dr. Tejinder Singh
Dell Technologies, Canada
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