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Improvement of Ka band Power Amplifier Employing Photonic Band Gap Structure  

Seo Chulhun (School of Electronic Engineering, Soongsil University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.41, no.1, 2004 , pp. 65-68 More about this Journal
Abstract
The performances of millimeter wave Power amplifier have been improved by using PBG (photonic bandgap structure) in this paper. The PBG structure has been optimized to obtain the lowpass characteristics in Ka band and employed at output port of Ka band power amplifier. The harmonics of the power amplifier have been suppressed by the PBG of output port and the proposed PBG has suppressed the second harmonic to 40dBc around 50 GHz. The improvements of IMD and PAE of the amplifier employing the PBG structure are obtained $15\%$ and $25\%$, compared with those of the conventional Ka band power amplifier, respectively.
Keywords
PBG; Ka-band; IMD; PAE;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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