Search Results - "Jin-Seob Kang"

120-GHz 8-Stage Broadband Amplifier With Quantitative Stagger Tuning Technique by Jang, Tae Hwan, Jung, Kyung Pil, Kang, Jin-Seob, Byeon, Chul Woo, Park, Chul Soon

“…A novel quantitative design method is proposed herein for a 120-GHz 8-stage broadband amplifier using the stagger tuning technique. The pole frequencies of the…”
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Free-Space Unknown Thru Measurement Using Planar Offset Short for Material Characterization by Kang, Jin-Seob

“…Material characterization requires the proper calibration of a material measurement system. This paper describes a free-space unknown thru measurement method…”
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Free-Space Two-Tier One-Port Calibration Using a Planar Offset Short for Material Measurement by Kang, Jin-Seob

“…The scattering parameters of a material under test (MUT) are prerequisites for characterizing the material parameters of the MUT. This paper describes a…”
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Planar Offset Short Applicable to the Calibration of a Free-Space Material Measurement System in W-Band by Kang, Jin-Seob, Kim, Jeong-Hwan

“…The electrical properties of materials and their dependence on frequency and temperature are indispensable in designing electromagnetic devices and systems in…”
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Improved Wheeler Cap Method Based on an Equivalent High-Order Circuit Model by Cho, Chihyun, Kang, Jin-Seob, Choo, Hosung

“…The conventional Wheeler cap method usually produces accurate radiation efficiency of small antennas when the antennas under test (AUTs) operate as a simple…”
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Characterization of a 1 mm (DC to 110 GHz) Calibration Kit for VNA by Cho, Chihyun, Kang, Jin-Seob, Lee, Joo-Gwang, Koo, Hyunji

“…This paper presents an evaluation method for a 1 mm coaxial calibration kit that can be used from DC to 110 GHz. The analytical model for the calibration kit…”
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A Thermal Noise Measurement System for Noise Temperature Standards in W -Band by Tae-Weon Kang, Jeong-Hwan Kim, No-Weon Kang, Jin-Seob Kang

“…A W-band waveguide noise measurement system has been developed for noise temperature (NT) standards. The system consists of two standard noise sources and a…”
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Characterization Method of Electric Field Probe by Using Transfer Standard in GTEM Cell by Kang, No-Weon, Kang, Jin-Seob, Kim, Dae-Chan, Kim, Jeong-Hwan, Lee, Joo-Gwang

“…In this paper, we introduce a simple and wideband characterization method for electric field probes using a transfer standard. As a transfer standard, a thin…”
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Specular Reflectance Measurements of Dielectric Plates in Millimeter Frequency Range by Kang, Jin-Seob, Kim, Jeong-Hwan, Kang, Kwang Yong, Yoon, Dae Hwan, Park, Sung Won

“…This paper describes specular reflectance measurements of dielectric plates in three waveguide frequency bands: D-band (110–170 GHz), G-band (140–220 GHz), and…”
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Development of a 3.5-mm Coaxial Microcalorimeter for RF and Microwave Power Standards at KRISS by Kwon, Jae-Yong, Kang, Tae-Weon, Kim, Jeong-Hwan, Kang, Jin-Seob

“…We have developed a 3.5-mm coaxial microcalorimeter that will become a national power standard up to 26.5 GHz. Several core parts such as a thermostat, an…”
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Free-Space Material Measurement for a Small Dielectric Plate at W-band by Kang, Jin-Seob

“…A free-space material measurement for a small dielectric plate using a truncated Gaussian beam whose beam width is smaller than the material under test (MUT)…”
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Intercomparison of Standard Gain Horn Antennas at W -Band by Jin-Seob Kang, No-Weon Kang, Gentle, D G, MacReynolds, K, Francis, M H

“…An intercomparison of two W -band (75-110 GHz) standard gain horn antennas of nominal gains 24 and 27 dB has been performed at the Korea Research Institute of…”
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Fabrication of Small Reference Probe and Its Application by Kang, No-Weon, Kang, Jin-Seob, Kim, Dae-Chan, Kim, Jeong-Hwan

“…This paper presents a disk-type small reference probe operating up to 1 GHz as an electric field transfer sensor. The probe is calibrated using a mu-TEM cell…”
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A D -Band Low-Power Gain-Boosted Up-Conversion Mixer With Low LO Power in 40-nm CMOS Technology by Lee, Chae Jun, Kang, Jin-Seob, Park, Chul Soon

“…This letter presents a D-band low-power gain-boosted up-conversion mixer using the 40-nm complementary metal-oxide-semiconductor technology. The proposed…”
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Uncertainty improvement of monopole antenna calibration using equivalent capacitance substitution method by Kim, Jeong-Hwan, Park, Jeong-Il, Kang, Jin-Seob, Kang, Tae-Weon

“…In this paper a method to improve the measurement uncertainty from the inaccurate representation of the equivalent capacitance of a short monopole antenna…”
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Free-Space Biological Tissue Measurement at W-band by Kang, Jin-Seob, Lee, Young Seung, Park, Youngcheol

“…The dielectric property of biological tissues is essential to calculate specific absorption rate (SAR) for assessing excessive EM energy exposure to the human…”
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Phase analysis of coaxial short and open circuits by Kang, J.-S., Kim, J.-H., Kim, D.-C.

“…Phase characteristics of coaxial short and open circuits used to calibrate reflectometers are analyzed by using the lossy transmission line theory and…”
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Developing a thermal noise measurement system in W-band by Kang, Tae-Weon, Kim, Jeong-Hwan, Kang, No-Weon, Kang, Jin-Seob

“…A thermal noise measurement system in W-band has been developed for noise standards. A horn-type cryogenic noise source operating at liquid nitrogen boiling…”
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Non-contact detection of impact damage in CFRP composites using millimeter-wave reflection and considering carbon fiber direction by Yang, Seung-Hwan, Kim, Ki-Bok, Oh, Hyun Geun, Kang, Jin-Seob

“…Carbon fiber reinforced polymers (CFRPs) are widely used for various structural materials because of their high stiffness and strength. Detecting damages in…”
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Erratum to “Characterization of a 1 mm (DC to 110 GHz) Calibration Kit for VNA” by Cho, Chihyun, Kang, Jin-Seob, Lee, Joo-Gwang, Koo, Hyunji

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