Matching Element Sensitivity Analysis for the Operation of a Dual-band Power Amplifier with CRLH Transmission Lines
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In this paper, we analyzed the sensitivity of matching elements for the dual-band operation of a power amplifierwith composite right/left-handed (CRLH) transmission lines. Metamaterial theory enables CRLH transmission tosupport arbitrary impedance matching at dual frequencies. In general, at sub-GHz range, the CRLH matchingnetworks are commonly implemented with lumped elements, which are prone to manufacturing distribution. Inorder to reduce the effect from the distribution of element values in design, we suggest a method to analyze thesensitivity of matching elements from the performance aspect of power amplifiers. Based on the analysis, a 40dBmdual-band power amplifier operating at 0.7GHz and 1.5GHz is designed
Abstract
In this paper, we analyzed the sensitivity of matching elements for the dual-band operation of a power amplifierwith composite right/left-handed (CRLH) transmission lines. Metamaterial theory enables CRLH transmission tosupport arbitrary impedance matching at dual frequencies. In general, at sub-GHz range, the CRLH matchingnetworks are commonly implemented with lumped elements, which are prone to manufacturing distribution. Inorder to reduce the effect from the distribution of element values in design, we suggest a method to analyze thesensitivity of matching elements from the performance aspect of power amplifiers. Based on the analysis, a 40dBmdual-band power amplifier operating at 0.7GHz and 1.5GHz is designed
참고문헌 (8)
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- 김승환, "CRLH 전송 선로 구조를 이용한 이중 대역 전력 분배기", 한국전자파학회 논문지, 19(8), pp.837~843 (2008), 한국전자파학회