M10 Hardware Design
3.9.2 Speaker interface configuration
SPK1P
SPK1N
Differential layout
10pF
10pF
33pF
33pF
33pF
Close to speaker
GND
GND
10pF
ESD
ANTI
ESD
ANTI
MOUDLE
Figure 22: Speaker interface configuration of AOUT1
SPK1P
SPK1N
Differential layout
Amplifier
circuit
10pF
10pF
33pF
33pF
33pF
Close to speaker
GND
GND
10pF
ESD
ANTI
ESD
ANTI
MOUDLE
Figure 23: Speaker interface with amplifier configuration of AOUT1
M10_HD_V1.00
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Quectel