Hardware Interface Description - Wireless Data Modules

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MC55/56 Hardware Interface Description Confidential / Released s 4.1.2 Hirose antenna connector MC55/56 uses an ultra-miniature SMT antenna connector supplied from Hirose Ltd. The product name is: U.FL-R-SMT The position of the antenna connector on the MC55/56 board can be seen in Figure 41. Figure 31: Mechanical dimensions of U.FL-R-SMT connector Table 21: Product specifications of U.FL-R-SMT connector Item Specification Conditions Ratings Nominal impedance Rated frequency Mechanical characteristics Female contact holding force Repetitive operation Vibration Shock Environmental characteristics Humidity resistance Temperature cycle 50 Ω DC to 6 GHz Operating temp: -40°C to +90°C Operating humidity: max. 90% 0.15 N min Measured with a ∅ 0.475 pin gauge Contact resistance: Centre 25 mΩ Outside 15mΩ No momentary disconnections of 1 µs; No damage, cracks and looseness of parts No momentary disconnections of 1 µs. No damage, cracks and looseness of parts. No damage, cracks and looseness of parts. Insulation resistance: 100 MΩ min. at high humidity 500 MΩ min when dry No damage, cracks and looseness of parts. Contact resistance: Centre 25 mΩ Outside 15mΩ 30 cycles of insertion and disengagement Frequency of 10 to 100 Hz, single amplitude of 1.5 mm, acceleration of 59 m/s 2 , for 5 cycles in the direction of each of the 3 axes Acceleration of 735 m/s 2 , 11 ms duration for 6 cycles in the direction of each of the 3 axes Exposure to 40°C, humidity of 95% for a total of 96 hours Temperature: +40°C → 5 to 35°C → +90°C → 5 to 35°C Time: 30 min. → within 5 min. → 30 min. → within 5 min Salt spray test No excessive corrosion 48 hours continuous exposure to 5% salt water MC55/56_hd_v02.06 Page 70 of 105 29.10.2004
MC55/56 Hardware Interface Description Confidential / Released s Table 22: Material and finish of U.FL-R-SMT connector and recommended plugs Part Material Finish Shell Phosphor bronze Silver plating Male centre contact Brass Gold plating Female centre contact Phosphor bronze Gold plating Insulator Plug: PBT Receptacle: LCP Black Beige Mating plugs and cables can be chosen from the Hirose U.FL Series. Examples are shown below and listed in Table 23. For latest product information please contact your Hirose dealer or visit the Hirose home page, for example http://www.hirose.com. Figure 32: U.FL-R-SMT connector with U.FL-LP-040 plug Figure 33: U.FL-R-SMT connector with U.FL-LP-066 plug MC55/56_hd_v02.06 Page 71 of 105 29.10.2004
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Hardware Interface Description - Wireless Data Modules

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