Product Info

LTE Standard Module Series
EC21_Series_Mini_PCIe_Hardware_Design
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Figure Index
Figure 1: Functional Diagram.................................................................................................................................. 20
Figure 2: Pin Assignment......................................................................................................................................... 21
Figure 3: Reference Circuit of Power Supply....................................................................................................... 27
Figure 4: Reference Circuit of (U)SIM Interface with an 8-pin (U)SIM Card Connector............................... 28
Figure 5: Reference Circuit of (U)SIM Interface with a 6-pin (U)SIM Card Connector................................. 28
Figure 6: Reference Circuit of USB Interface....................................................................................................... 30
Figure 7: Reference Circuit of Power Supply....................................................................................................... 31
Figure 8: Timing in Primary Mode...........................................................................................................................33
Figure 9: Timing in Auxiliary Mode..........................................................................................................................33
Figure 10: Reference Circuit of PCM Application with Audio Codec................................................................ 34
Figure 11: RI Behaviors............................................................................................................................................ 35
Figure 12: Reset Timing........................................................................................................................................... 36
Figure 13: LED_WWAN# Signal Reference Circuit Diagram............................................................................ 37
Figure 14: WAKE# Behaviors..................................................................................................................................38
Figure 15: Dimensions of the Receptacle RF Connectors (Unit: mm)............................................................. 43
Figure 16: Mechanicals of U.FL-LP Mating Plugs............................................................................................... 44
Figure 17: Space Factor of Mating Plugs (Unit: mm).......................................................................................... 44
Figure 18: Referenced Heatsink Design................................................................................................................68
Figure 19: Mechanical Dimensions of EC21 Series Mini PCIe......................................................................... 70
Figure 20: Standard Dimensions of Mini PCI Express........................................................................................71
Figure 21: Dimensions of the Mini PCI Express Connector (Molex 679105700)...........................................72
Figure 22: Blister Tray Dimension Drawing...........................................................................................................73
Figure 23: Packaging Process................................................................................................................................ 74