Results 241 to 250 of about 3,090,742 (298)
Graphene in millimeter wave devices
2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 We present work on graphene devices and circuits for microwave and millimeter wave applications, including detectors, mixers and microwave amplifiers. Field effect transistors were fabricated from exfoliated graphene and graphene grown using chemical vapor deposition (CVD).
Jan Stake +4 more
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Ferrite films for microwave and millimeter-wave devices
Proceedings of the IEEE, 1988For microwave and millimeter-wave applications, there is increasing interest in using films rather than bulk ferrites. In some cases, such as magnetostatic wave devices, films provide definite performance advantages. In other cases, films may provide lower cost, smaller size, and enhanced compatibility with planar circuit designs such as monolithic ...
H L Glass
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Millimeter wave devices and circuits
1978 IEEE International Solid-State Circuits Conference. Digest of Technical Papers, 1978The status and trends in millimeter wave devices and technologies, with emphasis on power generation and amplification, will be discussed, stressing integrated circuit techniques. The influence of emerging markets on device and circuit directions will also be highlighted.
S. Iglehart, C. Lee
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Millimeter-Wave Semiconductor Devices
IEEE Transactions on Microwave Theory and Techniques, 1976Special techniques used in the construction of various types of millimeter-wave diodes are presented. The performance of millimeter Gunn and IMPATT devices is reviewed and other factors influencing the application of these diodes are discussed. The performance and characteristics of small-area diodes used for millimeter-wave modulation, mixing, and ...
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Reliable Millimeter Wave Communication for IoT Devices
ICC 2021 - IEEE International Conference on Communications, 2021In this paper, we propose a nearest line-of-sight relay (NLR) selection technique for internet of things (IoT) devices in millimeter wave (mmWave) relaying systems. We present a tractable analytical framework to characterize the network connectivity for the proposed technique using tools from stochastic geometry.
Mohamed Ibrahim 0010, Walaa Hamouda
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Superlattices as millimeter-wave devices
Superlattices and Microstructures, 1986Abstract Superlattices have long been proposed as possible negative resistance devices. Here we discuss some results of an ongoing study of their potential for such applications. We focus on one particular type of superlattice, the lateral surface superlattice, and one particular frequency range, the millimeter-wave range.
Robert O. Grondin, Jennifer C. Wang
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Millimeter wave ferrite devices
IEEE Transactions on Magnetics, 1982Several ferrite control devices have been designed, fabricated and evaluated for 35 GHz dielectric waveguide applications. These devices include phase shifters and circulators utilizing spinel ferrites, and isolators with hexagonal ferrites. These devices were optimized in a magnesium titanate dielectric waveguide type transmission line for operation ...
R. Babbitt, R. Stern
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Millimeter-Wave Device Technology
IEEE Transactions on Microwave Theory and Techniques, 1982We have investigated novel techniques for the fabrication of silicon IMPATT diodes for use at frequencies of 220 GHz and beyond. We report on diodes yielding 25 mW CW at 102 GHz with 2-percent conversion efficiency, and 16 mW CW at 132 GHz with 1-percent conversion efficiency. The basic techniques described are ion implantation, laser annealing, unique
A. Rosen +7 more
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