Quectel LTE-A Module Series Hardware Design page 8

LTE-A Module Series
EM120R-GL&EM160R-GL Hardware Design
Figure Index
Figure 1: Functional Diagram ..................................................................................................................... 14
Figure 2: Pin Assignment ........................................................................................................................... 17
Figure 3: Power Supply Limits during Radio Transmission ....................................................................... 23
Figure 4: Reference Circuit of VCC............................................................................................................ 24
Figure 5: Reference Design of Power Supply............................................................................................ 24
Figure 6: Turn on the Module with a Host GPIO ........................................................................................ 25
Figure 7: Turn on the Module Automatically............................................................................................... 26
Figure 8: Turn on the Module with Compatible Design .............................................................................. 26
Figure 9: Turn-on Timing of the Module ..................................................................................................... 27
Figure 10: Timing of Turning off the Module through FULL_CARD_POWER_OFF#................................ 28
Figure 11: Timing of Turning off the Module through AT Command and FULL_CARD_POWER_OFF# .. 29
Figure 12: Timing of Turning off the Module through AT Command and Power Supply............................ 29
Figure 13: Reference Circuit of RESET_N with NPN Driving Circuit......................................................... 30
Figure 14: Reference Circuit of RESET_N with NMOS Driving Circuit ..................................................... 31
Figure 15: Reference Circuit of RESET_N with Button ............................................................................. 31
Figure 16: Timing of Resetting the Module ................................................................................................ 32
Figure 17: Reference Circuit of Normally Closed (U)SIM1 Card Connector ............................................. 34
Figure 18: Reference Circuit of Normally Open (U)SIM1 Card Connector................................................ 34
Figure 19: Reference Circuit of a 6-Pin (U)SIM1 Card Connector ............................................................ 35
Figure 20: Recommended Compatible Design of (U)SIM2 Interface ........................................................ 36
Figure 21: Reference Circuit of USB 3.0/2.0 Interface .............................................................................. 38
Figure 22: PCIe Interface Reference Circuit (EP Mode)............................................................................ 40
Figure 23: PCIe Power-on Timing Requirements of M.2 Specification ..................................................... 41
Figure 24: PCIe Power-on Timing Requirements of the Module ............................................................... 41
Figure 25: Primary Mode Timing ................................................................................................................ 43
Figure 26: Auxiliary Mode Timing ............................................................................................................... 44
Figure 27: W_DISABLE1# and W_DISABLE2# Reference Circuit ........................................................... 47
Figure 28: WWAN_LED# Signal Reference Circuit ................................................................................... 47
Figure 29: WAKE_ON_WAN# Signal Reference Circuit Design ............................................................... 49
Figure 30: Recommended Circuit of EM160R-GL Configuration Pins ...................................................... 52
Figure 31: Recommended Circuit of EM120R-GL Configuration Pins ...................................................... 53
Figure 32: Antenna Connectors on the EM160R-GL Module .................................................................... 56
Figure 33: Antenna Connectors on the EM120R-GL Module .................................................................... 57
Figure 34: EM120R-GL&EM160R-GL RF Connector Dimensions (Unit: mm) .......................................... 62
Figure 35: Specifications of Mating Plugs Using Ø0.81 mm Coaxial Cables ............................................ 63
Figure 36: Connection between RF Connector and Mating Plug Using Ø0.81 mm Coaxial Cable .......... 63
Figure 37: Connection between RF Connector and Mating Plug Using Ø1.13 mm Coaxial Cable .......... 63
Figure 38: Thermal Dissipation Area on Bottom Side of Module (Top View)............................................. 69
Figure 39: Mechanical Dimensions of EM120R-GL&EM160R-GL (Unit: mm) .......................................... 71
Figure 40: Standard Dimensions of M.2 Type 3042-S3 (Unit: mm) ........................................................... 72
Figure 41: M.2 Nomenclature..................................................................................................................... 72
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