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2.4G倒F天线详细尺寸
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3 Description of the Inverted F Antenna Design Since the impedance of the Inverted F Antenna is matched directly to 50 ohm no external matching components are needed. 3.1 Implementation of the Inverted F Antenna It is important to make an exact copy of the antenna dimensions to obtain optimum performance. The easiest approach to implement the antenna in a PCB CAD tool is to import the antenna layout from either a gerber or DXF file. Such files are included in CC2430DB reference design ［1］。 The gerber file is called “Inverted_F_Antenna.spl” and the DXF file is called “Inverted_F_Antenna.dxf”。 If the antenna is implemented on a PCB that is wider than the antenna it is important to avoid placing components or having a ground plane close to the end points of the antenna. If the CAD tool being used doesn’t support import of gerber or DXF files， Figure 1 and Table 1 can be used.
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