Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Seung-Hyeub Oh"'
Autor:
Seung-Hyeub Oh, Hong-Gu Ji
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 21:1318-1323
A lot of demand for parts of millimeter wave band, as would be expected 57~63 GHz band down conversion mixer was designed and fabricated using IHP 0.25 um SiGe process. Designed and fabricated mixer was double balanced type and located reduced 3D bal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e58a796a646a7352fd7dbc7663f604fc
https://doi.org/10.5515/kjkiees.2010.21.11.1318
https://doi.org/10.5515/kjkiees.2010.21.11.1318
Autor:
Seung-Hyeub Oh, Hong-Gu Ji
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 11:3917-3922
In this paper, 3 stage amplifier MMIC was designed and fabricated with U-band optimized epitaxal pHEMT that produced by large signal characterization and modeling for 60 GHz band. The pHEMT used in this paper, the gate 0.12 m length and total gat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e61219071b5c74ed1e719773f8913d21
https://doi.org/10.5762/kais.2010.11.10.3917
https://doi.org/10.5762/kais.2010.11.10.3917
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 21:510-518
In this paper, the designed and implemented results of CFL linearization chip which can be used in mobile radio and TRS terminal of UHF band(380~910 MHz), using BiCMOS process based on Si, are shown. As gain control circuits for modifying transmit po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65e1f74f28cbb08569580ab50d82f35a
https://doi.org/10.5515/kjkiees.2010.21.5.510
https://doi.org/10.5515/kjkiees.2010.21.5.510
Autor:
Seong-Do Kim, Seung-Hyeub Oh
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 21:443-451
This paper describes a fully integrated CMOS low-IF mobile-TV RF tuner for Band-III T-DMB/DAB applications. All functional blocks such as low noise amplifier, mixers, variable gain amplifiers, channel filter, phase locked loop, voltage controlled osc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baac4526ebb280f97964e265445012cb
https://doi.org/10.5515/kjkiees.2010.21.4.443
https://doi.org/10.5515/kjkiees.2010.21.4.443
Autor:
Seung-Hyeub Oh, Kyu-Song Lee
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 20:516-525
This paper described the design and fabrication of broadband 4-way power divider which has a phase difference between output ports in 20100 MHz VHF-band. A 4-way power divider was designed using 4-way in-phase power divider which consisted of three 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fe21381d22a81e2f47f879e12e641c9
https://doi.org/10.5515/kjkiees.2009.20.6.516
https://doi.org/10.5515/kjkiees.2009.20.6.516
Autor:
Bong-su Kim, Seung-Hyeub Oh, Woo-Jin Byun, Stephane Pinel, Min-Soo Kang, Kwang-Seon Kim, Joy Laskar, Myung-Sun Song
Publikováno v:
Microwave and Optical Technology Letters. 51:2029-2032
We present the design and fabrication of power amplifier (PA) and low noise amplifier (LNA) in 60 GHz using 90 nm CMOS process. Both of them have three stages topology. We obtained small signal gain of 21 dB, P1dB of 4 dBm, and input/output return lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74fa46686a34f2684981e8b9c7285386
https://doi.org/10.1002/mop.24549
https://doi.org/10.1002/mop.24549
Autor:
Seung-Hyeub Oh, Tae-Byeong Chae
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 36:1207-1215
Satellite generates a complex electromagnetic noise by conducted and radiated coupling effect of the various electrical instruments. This noise may cause serious problems on the satellite system. To minimize the electromagnetic coupling effects and m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48008a30e94875beae28b8dc7a03463a
https://doi.org/10.5139/jksas.2008.36.12.1207
https://doi.org/10.5139/jksas.2008.36.12.1207
Autor:
Hyun-Cheol Bae, Seung-Hyeub Oh
Publikováno v:
JSTS:Journal of Semiconductor Technology and Science. 8:232-238
In this paper, a wideband power efficient 2.2 ㎓ - 4.9 ㎓ Medium Power Amplifier (MPA) has been designed and fabricated using 0.8 ㎛ SiGe BiCMOS process technology. Passive elements such as parallel-branch spiral inductor, metal-insulatormetal (MI
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9424dde818b5cb513012be9d5ca99e66
https://doi.org/10.5573/jsts.2008.8.3.232
https://doi.org/10.5573/jsts.2008.8.3.232
Autor:
Seung-Hyeub Oh, Hyun-Cheol Bae
Publikováno v:
Journal of electromagnetic engineering and science. 8:47-51
In this paper, we present a cost effective parallel-branch spiral inductor with the enhanced quality factor and the resonance frequency. This structure is designed to improve the quality factor, but different from other fully stacked spiral inductors
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec3715a9205e5b5e12e50d55b834003b
https://doi.org/10.5515/jkiees.2008.8.2.047
https://doi.org/10.5515/jkiees.2008.8.2.047
Publikováno v:
Microwave and Optical Technology Letters. 50:24-29
The new vertical transition using the trough line, the slab line, and shielded multilayer coplanar waveguides (SMCPW) in order to implement the DC ∼ 50-GHz band low loss LTCC hermetic surface mounting (SMT) MMIC package was developed. The trough li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f18401fec4ee3faed0615e932e3dd9c7
https://doi.org/10.1002/mop.22973
https://doi.org/10.1002/mop.22973