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The millimeter and sub-millimeter wavelength range for a long time has been used in many research applications. This frequency range has been utilized in spectroscopy, radio astronomy, plasma diagnostics, and the study of the earth's atmosphere. Even millimeter waves are now used in commercial applications as well, particularly in the security sector. An example of a solid-state source of this range...
The dynamic properties of a 4H-SiC low-high- low double drift IMPATT diode operating at 0.5 THz region are studied through a simulation experiment. The study indicates that 4H-SiC IMPATT is capable of generating high RF power (3.7W) at 0.515 terahertz with high efficiency (13.5 %). However, the parasitic series resistance is found to produce a 10 % reduction in the negative conductance and the RF...
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