MEMS based ultra-high order frequency multiplication utilizing superharmonic synchronization effect

Xueyong Wei

doi:10.1016/j.sna.2021.113152

2021-12-01

PRE

DOI：10.1016/j.sna.2021.113152

原文链接

摘要

En 中文

倍频器广泛存在于电子系统中，它总是与低频本地振荡器配合，以提供频率为输入频率的精确整数倍的输出波。传统的倍频器如阶跃恢复二极管、场效应晶体管、低杂散谐波等，通常只有两个或三个低倍增因子。多级倍频器可以累积乘法因子，但是具有高功耗和负转换增益。在这里，我们提出了一种新颖的倍频机制，利用微机械谐振器中的超谐波同步 (SHS) 效应。实现了121次超高频放大，输出信号的频率稳定度提高了92倍，信噪比20% 提高。为了解决同步范围窄的限制，设计了一种频率自动跟踪系统，将工作范围从0.62Hz扩展到27.5 kHz。拟议的频率放大是倍频器的有希望的候选者，并为微机械传感和信号处理系统提供了另一种机制。（c）2021 Elsevier B.V. 版权所有。

Keyword:

Frequency multiplication

Micromechanical resonator

RF MEMS

Superharmonic synchronization

期刊

Sensors and Actuators A-Physical

IF:

4.9

论文数:

1.6W

被引数:

3.3W

机构

xi'an jiaotong university

学者数:

9.3W

论文数: 6.7W

被引数: 75

zhejiang university

学者数:

17.7W

论文数: 12.1W

被引数: 152

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