Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Suk Woo Shin"'
Publikováno v:
Journal of the Korean Physical Society. 60:907-911
An impedance measurement system for an atmospheric microwave-induced plasma is proposed using equivalent transmission line theory and a de-embedding process of an input impedance. An argon plasma was generated by using a microwave-induced discharge.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d60696817c4674fc173306b95c1387c2
https://doi.org/10.3938/jkps.60.907
https://doi.org/10.3938/jkps.60.907
Publikováno v:
Journal of the Korea Institute of Military Science and Technology. 14:509-516
In this paper, a ground penetrating radar(GPR) system is implemented for landmine detection. The performance of the GPR system is associated with the characteristics of local soil and buried target. The choice of the center frequency and the bandwidt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82e7c55d3a3c1c5ff4be9111f0ae5e70
https://doi.org/10.9766/kimst.2011.14.3.509
https://doi.org/10.9766/kimst.2011.14.3.509
Autor:
Suk-Woo Shin, Jin-Joo Choi
Publikováno v:
Microwave and Optical Technology Letters. 53:1459-1462
In this article, a frequency-tunable 150W harmonic-tuned power oscillator is presented. The harmonic-tuned power amplifier of the oscillator was designed for improving drain efficiency with a single laterally diffused metal oxide semiconductor transi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8a096761679b99f8b3950d5fb860cc2
https://doi.org/10.1002/mop.25970
https://doi.org/10.1002/mop.25970
Publikováno v:
Journal of the Korean Magnetics Society. 13:251-256
We have developed the quality analysis system for magnetic field effect of cathode-ray tube that is used a monitor, TV and medical appliance. We designed and constructed the large 3-axis square coil (2 m length) system for the generation of 3-compone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3974237c0d22f4d4492976b38b5425d
https://doi.org/10.4283/jkms.2003.13.6.251
https://doi.org/10.4283/jkms.2003.13.6.251
Publikováno v:
Microwave and Optical Technology Letters. 54:2335-2337
In this article, a drain-source voltage and current waveforms measurement method for a fabricated power amplifier is presented. Harmonic components of the drain-source voltage and the current were obtained using measured output voltage and harmonic A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a94a02477fe514568e1223d576221d50
https://doi.org/10.1002/mop.27100
https://doi.org/10.1002/mop.27100
Publikováno v:
2011 IEEE MTT-S International Microwave Symposium.
This paper proposes a new configuration for power oscillator based on the combined power amplifier. The focus is on power combining as a oscillator structure with a positive feedback loop line. The proposed configuration consists of a harmonic-tuned
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86eb976e1781e5ee4786c5aa99d699a2
https://doi.org/10.1109/mwsym.2011.5972775
https://doi.org/10.1109/mwsym.2011.5972775
Publikováno v:
2010 IEEE MTT-S International Microwave Symposium.
In this paper, a frequency tunable, high-efficiency power oscillator using Gallium Nitride High Electron Mobility Transistor (GaN HEMT) for the RF power source applications is designed and fabricated. The steady state oscillation occurs in a delay li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f3159291ab02622085b0a6dc6a2a6be
https://doi.org/10.1109/mwsym.2010.5516887
https://doi.org/10.1109/mwsym.2010.5516887
Publikováno v:
2009 IEEE MTT-S International Microwave Symposium Digest.
This paper describes the design and fabrication of a highly efficient switching-mode Class-E Doherty power amplifier using gallium nitride (GaN) high-electron mobility transistor (HEMT) for S-band radar applications. Measured results of the Doherty a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6eaa4ff73b4f19d37e80290a66829bd4
https://doi.org/10.1109/mwsym.2009.5165849
https://doi.org/10.1109/mwsym.2009.5165849
Publikováno v:
2009 IEEE MTT-S International Microwave Symposium Digest.
This paper presents a high-efficiency power oscillator, which uses LDMOS (Laterally Diffused Metal Oxide Semiconductor) transistor for high output power and a harmonic-tuned matching network to obtain high efficiency characteristic for RF power sourc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc37bae2280fac6a56fab837dc2195bb
https://doi.org/10.1109/mwsym.2009.5165994
https://doi.org/10.1109/mwsym.2009.5165994
Publikováno v:
2008 Asia-Pacific Microwave Conference.
In this paper, we have studied a high power oscillator of a high RF output power and a good phase noise. We designed the high power oscillator using LDMOS(laterally diffused metal oxide semiconductor) device by the use of an Agilent advanced design s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d69eb38b893a8e0f860d95b96e8ba12
https://doi.org/10.1109/apmc.2008.4958297
https://doi.org/10.1109/apmc.2008.4958297