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RN42 数据表(PDF) 8 Page - Microchip Technology |
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RN42 数据表(HTML) 8 Page - Microchip Technology |
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8 / 26 page ![]() RN42/RN42N DS50002328A-page 8 2015 Microchip Technology Inc. FIGURE 2-2: RN42N RECOMMENDED PCB FOOTPRINT FIGURE 2-3: RN42 MODULE MOUNTING DETAILS FIGURE 2-4: RN42N MODULE MOUNTING DETAILS 0.70mm 0.80mm 2.00mm 0.0 0.7 2.8 4.0 5.2 6.4 7.6 8.8 10.0 11.2 12.4 13.6 14.8 16.0 19.7 Shield Pads 4 Corners 1.0 x 1.8mm 20.0 Do not locate vias or surface traces under Shield Pads Top View Dimensions are in millimeters 20.5mm 5.3mm Top View Keep area around antenna (approximately 31 mm) clear of metallic structures for best performance 31mm Edge of Ground Plane 31cm Note: Example U.FL connector layout Top View |
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