Tunable stripline circulator with isolation control using metamaterial cells
作者： D. Bensafieddine , F. Djerfaf , F. Chouireb , D. Vincent
DOI: 10.1007/S00339-018-2004-8
关键词:
摘要: In this paper, a tunable stripline circulator with isolation control is designed using metamaterial cell. Our cells have two different configurations: the first one consists of case 00 where each gaps g1 and g2 closed. The second represents 11 structure in open switch state (gaps are open). We can flip between desired behaviors by external commutation systems (using MEMS or PIN diode). Circulator’s frequency tunability usually achieved varying static magnetic bias. However, arises changing states unit cell (11 00). results show that it possible to characteristics our operating switching devices. maximum contrast cases 8.09 dB bandwidth about 0.52 GHz for Hi = 1.1 kOe.
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