Product Info
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- Introduction
- Product Concept
- Application Interfaces
- GNSS Receiver
- Antenna Interfaces
- Electrical, Reliability and RadioCharacteristics
- Mechanical Dimensions
- Storage, Manufacturing and Packaging
- Appendix A References
LTE Module Series
EG61-NA Hardware Design
EG61-NA_Hardware_Design 17 / 77
2.3. Functional Diagram
The following figure shows a block diagram of EG61-NA and illustrates the major functional parts.
Power management
Baseband
DDR+NAND flash
Radio frequency
Peripheral interfaces
Baseband
PMIC
Transceiver
NAND
DDR2
SDRAM
PA
SWITCH
Switch
ANT_MAIN ANT_DIV
VBAT_BB
VBAT_RF
PWRKEY
VDD_EXT
USB PCM UARTI2C
RESET_N
19.2M
XO
STATUS
GPIOs
Control
IQ Control
Duplexer
SAW
Tx
PRx DRx
(U)SIM2
SPI
(U)SIM1
SAW
LNA
ANT_GNSS
SAW
GPS
Figure 1: Functional Diagram
2.4. Evaluation Board
In order to help customers develop applications conveniently with EG61-NA, Quectel supplies
anevaluation board (EVB), USB data cable, earphone, antenna and other peripherals to control or test the
module.