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本文叙述了用于选频的150MHz窄带晶体滤波器的综合设计,并简明叙述了为得到需要的滤波特性而对元件和地线分别采取了双层屏蔽和刻槽措施。
This article describes a comprehensive design of a 150MHz narrowband crystal filter for frequency selection and briefly describes the double shielding and notching of components and ground in order to obtain the required filtering characteristics.