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The Journal of The Korea Institute of Intelligent Transport Systems Vol.4 No.3 pp.45-50
Vertical Coupling 구조를 이용한 광대역 단일 평형 다이오드 혼합기의 설계
Design of a Broadband Single Balanced Diode Mixer using a Vertical Coupling Structure
Abstract
In this paper, a broadband single balanced mixer is presented using a wideband rat-race implementation by vertical coupling. Frequency is selected as GHz for RF, GHz for LO, and 140 MHz for IF signals. When LO signal with 6 dBm at 2.7 GHz is injected, a conversion loss of 7.5 dB and RF to LO isolation of 30 dB are obtained. Also, an average conversion loss of 10 dB, RF to LO isolation of 30 dB, and LO to IF isolation of 45 dB are obtained for frequency band of GHz.
