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Part Name
Description
SIM900 View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
SIM900
SIM900 Quad-band/SIM900A Dual-band GSM/GPRS module
Unspecified
SIM900 Datasheet PDF : 58 Pages
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SIM900 Hardware Design
3.9.1 Speaker Interface Configuration
Differential layout
MODULE
SPK_P
SPK_N
Close to speaker
GND
10pF
10pF
10pF
33pF
33pF
33pF
ESD
ANTI
ESD
ANTI
GND
Figure 23: Speaker interface configuration
Differential layout
MODULE
SPK_P
SPK_N
Amplifier
Circuit
Close to speaker
GND
10pF
10pF
10pF
33pF
33p
F
33pF
ESD
ANTI
ESD
ANTI
GND
Figure 24: Speaker interface with amplifier configuration
SIM900_HD_V1.01
36
26.12.2009
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