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u-blox UBX-G7020 User Manual

u-blox UBX-G7020
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UBX-G7020 - Hardware Integration Manual
Component Selection
GPS.G7-HW-10003 Objective Specification Page 55 of 74
3.17 Standard resistors
Name
Use
Figure
Type / Value
R1
USB data serial termination
Figure 21
27R 5% 0.1W
R2
USB data serial termination
Figure 21
27R 5% 0.1W
R8
Pull-down at VDD_USB
Figure 21
1K 5% 0.1W
R3
Pull-up at antenna supervisor transistor
Figure 7
Figure 8
100K 5% 0.1W
R4
Antenna supervisor current limiter
Figure 7
Figure 8
10R 5% 0.25W
R5
Antenna supervisor voltage divider
Figure 8
560R 5% 0.1W
R6
Antenna supervisor voltage divider
Figure 8
100K 5% 0.1W
R7
Pull-down at LNA enable
Figure 18
10K 5% 0.1W
Table 35: Standard resistors
3.18 Ferrite beads (FB1)
Manufacturer
Order No.
Comments
MuRata
BLM15HD102SN1
High impedance @ 1.575 GHz
MuRata
BLM15HD182SN1
High impedance @ 1.575 GHz
Table 36: Recommend parts list for ferrite beads FB1
3.19 Feed-thru capacitors
Manufacturer
Order No.
Comments
MuRata
NFL18SP157X1A3
For data signals, 34 pF load capacitance
MuRata
NFA18SL307V1A45
For data signals, 4 circuits in 1 package
MuRata
NFM18PC474R0J3
For power supply < 2 A, size 0603
MuRata
NFM21PC474R1C3
For power supply < 4 A, size 0805
Table 37: Recommend parts list for feed thru capacitors
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u-blox UBX-G7020 Specifications

General IconGeneral
Brandu-blox
ModelUBX-G7020
CategoryGPS
LanguageEnglish

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