Quectel M20, Проектирование аппаратного обеспечения

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M20 Hardware Design
FIGURE 42: ANTENNA PAD AND RF CONNECTOR.......................................................................62
FIGURE 43: M20 TOP AND SIDE DIMENSIONS
（
UNIT: MM
）
....................................................72
FIGURE 44: M20 MODULE MATCHS WITH THE APPLICATION BOARD （ UNIT: MM ） ........72
FIGURE 45: FOOTPRINT OF RECOMMENDATION （ UNIT: MM ） ..............................................73
FIGURE 46: DIMENSIONS OF THE DF12 HEADER
（
UNIT: MM
）
..............................................74
FIGURE 47: FOOTPRINT OF RECOMMENDATION （ UNIT: MM ） ..............................................75
FIGURE 48: PHYSICAL PHOTOS OF THE DF12 CONNECTORS...................................................75
FIGURE 49: PHYSICAL PHOTOS OF THE UF.L-R-SMT CONNECTOR （ UNIT: MM ） ..............76
FIGURE 50: MECHANICALS OF UF.L-LP CONNECTORS .............................................................77
FIGURE 51: SPACE FACTOR OF MATED CONNECTOR
（
UNIT: MM
）
......................................77
FIGURE 52: TOP VIEW OF THE MODULE .......................................................................................78
FIGURE 53: BOTTOM VIEW OF THE MODULE..............................................................................78
FIGURE 54: RADIO BLOCK STRUCTURE OF CS-1, CS-2 AND CS-3 ...........................................79
FIGURE 55: RADIO BLOCK STRUCTURE OF CS-4 ........................................................................79
M20_HD_V1.01 - 7 -
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