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首页> 外文期刊>The European physical journal. Applied physics >Design of a new coplanar isolator made from YIG film operating in the X-frequency band
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Design of a new coplanar isolator made from YIG film operating in the X-frequency band

机译：由在X频段工作的YIG薄膜制成的新型共面隔离器的设计

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The miniaturization of devices and the increase of operating frequencies are two important issues for communication system development. This requires a high degree of integration, higher performance and lower cost. Isolator is an important non-reciprocal passive component for source protection. In most cases, the non-reciprocal effect is based on field displacement phenomenon induced by a magnetized ferrite material. In this paper we propose a new design of a coplanar isolator based on field displacement, composed of a non-symmetrical coplanar transmission line, made from a ferrite layer and ground plane below. Simulations were performed using HFSS software. Measurements were made on a first 1000 μm-thick YIG film sample giving 1 dB of insertion losses and 17 dB isolation and on a second sample made from a 150 μm-thick YIG ferrite sample giving an insertion loss lower than 2 dB. Interesting applications of this isolator structure are considered.
机译：设备的小型化和工作频率的增加是通信系统开发的两个重要问题。这需要高度的集成度，更高的性能和更低的成本。隔离器是用于源保护的重要的不可逆被动组件。在大多数情况下，不可逆效应是基于磁化铁氧体材料引起的场位移现象。在本文中，我们提出了一种基于场位移的共面隔离器的新设计，该共面隔离器由非对称共面传输线组成，由铁氧体层和下面的接地层组成。使用HFSS软件进行仿真。在第一个1000μm厚的YIG薄膜样品上进行了测量，给出了1 dB的插入损耗和17 dB的隔离度，并在第二个样品上对150μm厚的YIG铁氧体样品进行了测试，其插入损耗低于2 dB。考虑了该隔离器结构的有趣应用。

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