基于非对称延迟线和参数相互作用的非互易表面声波滤波器

2020 IEEE 33rd International Conference on Micro Electro Mechanical Systems (MEMS) Pub Date : 2020-01-01 DOI:10.1109/MEMS46641.2020.9056343

José A. Bahamonde, I. Kymissis

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引用次数: 0

摘要

在这项工作中，我们展示了一种新的拓扑结构，将声学器件中的大延迟与参数放大相结合，以获得正向和反向射频信号的非互反传播。该器件可以在相参简并模式下工作，最佳增益为12.7dB，隔离度为18.3dB。在简并相位非相干模式下，器件的增益为3.1 dB，隔离度为5.2 dB。

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A Non-Reciprocal Surface Acoustic Wave Filter Based on Asymmetrical Delay Lines and Parametric Interactions

In this work, we demonstrate a novel topology combining the large delays available in acoustic devices with parametric amplification to obtain non-reciprocal propagation of forward and reverse RF signal. The device can operate in a phase-coherent degenerate mode for an optimum gain of 12.7dB and an isolation of 18.3dB. In a degenerate phase incoherent mode, the device is capable of 3.1 dB of gain and 5.2 dB of isolation.

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2020 IEEE 33rd International Conference on Micro Electro Mechanical Systems (MEMS)

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