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SIM802 Hardware Design
3.10.1 Speaker interface configuration
SPK1P
MODULE
SPK1N
Differential layout
MOUDLE
Figure 24: Speaker interface with amplifier configuration
SIM802_HD_V2.01
Differential layout
Figure 23: Speaker interface configuration
Amplifier
Circui
48
Close to speaker
GND
10pF
33pF
10pF
33pF
10pF
33pF
GND
Close to speaker
GND
10pF
t
10pF
10pF
GND
ESD
ANTI
ESD
ANTI
ESD
33pF
ANTI
33p
F
ESD
33pF
ANTI
12.01.2010
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