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Ublox MAX-7C-0 User Manual
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MAX-7 / NEO-7 - Har
dware Integra
tion Manual
UBX-
13003704
-
R09
Production Information
Product
testing
Page
50
of
52
A.2
Design-in reco
mmendations in comb
ination with cel
lular operation
Product
Receiver Chain
Cellular and GNSS
Simultaneous oper
ation
Family
Variant
Antenna
SAW LNA
On
-chip LNA
SAW
Passive GNSS
Antenna
Active GNSS
Antenna
SAW
2G cellular
3G/4G cellular
2G/3G/4G
cellular
MAX-6
Any
•
•
NEO-6
Any
•
•
LEA-6
Any
•
•
EVA-7
M
•
MAX-7
C
•
W
•
Q
•
NEO-7
N
•
•
M
•
P
•
•
PAM-7
Q
•
•
•
•
Table
18
:
Combin
ations of u-
blox GNSS modules wit
h different cellular
technologies (2G/
3G/4G).
See
the
GPS Implementation and Aid
ing Features in u
-blox wireless mo
dules
[9]
49
51
Table of Contents
Preface
3
Contents
4
Table of Contents
4
1 Quick Reference
7
2 Hardware Description
8
Overview
8
Architecture
8
Operating Modes
8
Continuous Mode
8
Power Save Mode
9
Configuration
9
Electrical Programmable Fuse (Efuse)
9
Connecting Power
10
VCC: Main Supply Voltage
10
VCC_IO: IO Supply Voltage (MAX-7)
10
V_BCKP: Backup Supply Voltage
10
VDD_USB: USB Interface Power Supply (NEO-7)
11
VCC_RF: Output Voltage RF Section
11
V_ANT: Antenna Supply (MAX-7W)
11
Interfaces
11
Uart
11
Usb
11
Display Data Channel (DDC)
12
Spi (Neo-7)
13
I/O Pins
13
RESET_N: Reset Input
13
EXTINT: External Interrupt
13
D_SEL: Interface Select (NEO-7)
13
TX Ready Signal
14
ANT_ON: Antenna on (LNA Enable) (NEO-7N, MAX-7Q, MAX-7C)
14
Antenna Short Circuit Detection (MAX-7W)
14
Antenna Open Circuit Detection
14
Time Pulse
14
3 Design
15
Design Checklist
15
Schematic Checklist
15
Layout Checklist
15
Antenna Checklist
16
Design Considerations for Minimal Designs
16
Minimal Design (NEO-7N)
17
Minimal Design (MAX-7Q)
18
Layout
19
Footprint and Paste Mask
19
Placement
20
Antenna Connection and Ground Plane Design
20
General Design Recommendations
21
Antenna Micro Strip
22
Antenna and Antenna Supervision
23
Antenna Design with Passive Antenna
23
Active Antenna Design Without Antenna Supervisor (NEO-7N/7M/7P, MAX-7C/7Q)
24
Antenna Design with Active Antenna Using Antenna Supervisor (MAX-7W)
25
Design with GLONASS / GPS Active Antenna
30
Design with GLONASS / GPS Passive Antenna
31
Recommended Parts
32
Recommended GPS & GLONASS Active Antenna (A1)
33
Recommended GPS & GLONASS Passive Patch Antenna
33
Recommended GPS & GLONASS Passive Chip Antenna
33
4 INPAQ (Www.inpaq.com.tw)
34
5 7 X 0.7 MM GPS+GLONASS
34
6 Migration to U-Blox-7 Modules
35
Migrating U-Blox 6 Designs to a U-Blox 7 Module
35
Hardware Migration
35
Hardware Compatibility
35
Hardware Migration NEO-6 -> NEO-7
36
Hardware Migration MAX-6 -> MAX-7
37
Software Migration
38
Software Compatibility
38
Messages no Longer Supported
38
7 Product Handling
39
Packaging, Shipping, Storage and Moisture Preconditioning
39
Population of Modules
39
Soldering
39
Soldering Paste
39
Reflow Soldering
39
Optical Inspection
40
Cleaning
40
Repeated Reflow Soldering
41
Wave Soldering
41
Hand Soldering
41
Rework
41
Conformal Coating
41
Casting
41
Grounding Metal Covers
41
Use of Ultrasonic Processes
42
EOS/ESD/EMI Precautions
42
Electrostatic Discharge (ESD)
42
ESD Handling Precautions
42
ESD Protection Measures
43
Electrical Overstress (EOS)
43
EOS Protection Measures
43
Electromagnetic Interference (EMI)
44
Applications with Cellular Modules
45
8 Product Testing
47
U-Blox In-Series Production Test
47
Test Parameters for OEM Manufacturer
47
System Sensitivity Test
47
Guidelines for Sensitivity Tests
48
Go/No Go' Tests for Integrated Devices
48
A Appendix
49
Abbreviations
49
Design-In Recommendations in Combination with Cellular Operation
50
Related Documents
51
Revision History
51
Contact
52
4
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Ublox MAX-7C-0 Specifications
General
Brand
Ublox
Model
MAX-7C-0
Category
Control Unit
Language
English
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