Quectel SC200E Series

Smart Module Series
SC200E_Series_Hardware_Design 65 / 115
3.22.2. Reference Circuit Design for Earpiece Interface
EAR_P
EAR_M
R2
33 pF
33 pF
33 pF
C2
C3
C1
R1
Module
D1
D2
0R
0R
Figure 25: Reference Circuit Design for Earpiece Interface
3.22.3. Reference Circuit Design for Headset Interface
20K
ESD
MIC2_P
HPH_L
HS_DET
HPH_R
HPH_GND
33 pF
Module
6
3
4
5
2
1
33 pF 33 pF
C3
C4 C5
F3
F2
F1
D1 D2 D3
D4
F4
R2
R3
0R
Figure 26: Reference Circuit Design for Headset Interface