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SIM802 Hardware Design
3.10.2 Microphone interfaces configuration
MICxP
MICxN
AGND
AGND
3.10.3 Referenced electronic characteristic
SIM802_HD_V2.01
Difference layout
Figure 25: Microphone interface configuration
Figure 26: Earphone interface configuration
Close to Microphone
GND
GND
10pF
33pF
10pF
33pF
33pF
10pF
GND
GND
49
GND
ESD
ANTI
Electret
Microphone
ESD
ANTI
GND
12.01.2010
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