0433BM15A0001E 参数 Datasheet PDF下载

型号：	0433BM15A0001E
PDF下载：	下载PDF文件查看货源
内容描述：	约翰森技术匹配巴伦滤波器CC110x和CC111x [Johanson Technology Matched Balun Filters for CC110x & CC111x]
分类和应用：
文件页数/大小：	27 页 / 614 K
品牌：	JOHANSON [ JOHANSON TECHNOLOGY INC. ]

Design Note DN025

3.3.1.1

Component Placement

Figure 6. Component Placement

The component placement influences the RF performance. In the event that the reference

design [6] can not be copied then it is important to position the inductor L122 so that the

coupling effects to the Matched Balun Filter U121 are minimized as much as possible.

Experiments with placing L122 in parallel to U121 showed that coupling was evident and the

Matched Balun Filter performance was not optimum. Keep the inductor L122 at 90 degrees to

the balun as shown in Figure 6 or position it on the left side of U121 to avoid coupling to pin 6

of U121.

SWRA250A

Page 6 of 26

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