GSM/GPRS/GNSS Module Series
MC60 Series Hardware Design
MC60_Series_Hardware_Design Confidential / Released 65 / 114
3.10.4. Earphone Interface Design
1
2
4
3
MICP
22uF
33pF
GND
AGND
Close to Socket
33pF
10pF
GND
Module
4.7uF
LOUDSPKP
Close to Module
GND
33pF
33pF
Differential
layout
33pF
MICN
0603
0603
0603
0603
0603
0603
0603
10pF
GND
10pF
0603
0603
0603
10pF
10pF
Figure 35: Earphone Interface Design
3.10.5. Loud Speaker Interface Design
LOUDSPKN
0R
0R
LOUDSPKP
8 ohm
Module
GND
GND
GND
Close to Speaker
10pF
33pF
33pF
10pF
10pF
33pF
GND
GND
GND
Differential
layout
0603
0603
0603
0603
0603
0603
ESD
ESD
Figure 36: Loud Speaker Interface Design
Quectel
Confidential