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SIM7020C
SimCom SIM7020C Hardware Design
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Smart Machine S
mart Decis
ion
SIM
7020
_Hardware_Desig
n
_
V1.0
2
33
201
8-07-
25
4.3.2
LT
E
ANT
and other
system
AN
T de
coupli
ng
M
ake sure the ef
ficiency of
LT
E
main
ANT m
ore than
40%
Keep t
he decoupling of L
TE main
A
NT to
W
LA
N
A
N
T mo
r
e than
15dB
Keep t
he decoupling of L
TE main
A
NT to
GNSS
ANT m
ore than 30dB
Note:
The deco
upling value
can be pr
ovided by
ANT adv
entur
e. M
or
e details can
refer
to
the
document
[2
5
].
33
35
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
8
Product Outline
8
Hardware Interface Overview
8
Hardware Block Diagram
8
Functional Overview
9
2 Package Information
11
Pin Assignment Overview
11
Pin Description
12
Table 5: Pin Description
13
Mechanical Information
15
Footprint Recommendation
16
3 Interface Application
17
Power Supply
17
Power Supply Design Guide
17
Voltage Monitor
18
Power On/Power Off/Reset Function
18
Power on
18
Table 8: Power on Timing and Electronic Characteristic
19
Power off
20
Reset Function
21
UART Interface
22
UART Design Guide
22
Figure 12: Reference Circuit of Level Shift
23
RI and DTR Behavior
24
USB Interface
24
SIM Interface
25
SIM Application Guide
25
Recommended SIM Card Holder
26
Network Status
27
Adc
27
3.10 Power Supply Output
28
4 RF Specifications
30
LTE RF Specifications
30
LTE Antenna Design Guide
31
RF Traces Note
32
RF Traces Layout
32
Figure 23: RF Trace Should be Far Away from Other High Speed Signal Lines
33
LTE ANT and Other System ANT Decoupling
34
5 Electrical Specifications
35
Absolute Maximum Ratings
35
Operating Conditions
35
Operating Mode
36
Operating Mode Definition
36
Sleep Mode
37
Minimum Functionality Mode and Flight Mode
37
Power Saving Mode (PSM)
38
Extended Mode DRX (E-DRX)
38
Current Consumption
38
ESD Notes
39
6 SMT Production Guide
40
Top and Bottom View of SIM7020
40
Typical SMT Reflow Profile
40
Moisture Sensitivity Level (MSL)
41
Baking Requirements
41
Stencil Foil Design Recommendation
42
7 Packaging
43
Table 35: Small Carton Size
44
8 Appendix
45
Related Documents
45
Terms and Abbreviations
47
Safety Caution
49
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User Guide
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SimCom SIM7020C Specifications
General
Brand
SimCom
Model
SIM7020C
Category
Control Unit
Language
English
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