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Journal of the Korean Institute of Electromagnetic and Science 2006;6(2):98-102.
A Novel Design of High Power Amplifier Employing Photonic Band Gap in Millimeter Wave Band
Chul-Hun Seo
School of Electronic Engineering, Soongsil University
Abstract
In this paper, we have designed and fabricated the high power amplifier employing PBG(Photonic Band-Gap Structure) to improve the linearity of the amplifier in the millimeter wave band. The fabricated amplifier using MMIC(TGA1073G) has operated about 24 GHz band and the PBG has resulted in 35 dB suppression about 49 GHz where the second harmonic occurs due to the amplifier. As a result, the output power has been 24.43 dBm and 13.2 dBc of the IMD has been improved. Also, the PAE is obtained to 14.96 % of the amplifier employing the PBG structure in Ka band.
Key words: PBG, IMD, Output Power, Ka-band, HPA
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