Reference Circuit Design For Earpiece Interface; Reference Circuit Design For Headset Interface - Quectel SC206E Series Hardware Design

3.22.2. Reference Circuit Design for Earpiece Interface

EAR_P
EAR_M
Module
Figure 25: Reference Circuit Design for Earpiece Interface

3.22.3. Reference Circuit Design for Headset Interface

MIC2_P
HPH_L
HS_DET
HPH_R
HPH_GND
Module
Figure 26: Reference Circuit Design for Headset Interface
SC206E_Series_Hardware_Design
C2
33 pF
C1
33 pF
C3
33 pF
F1
R2
20K
C3 C4 C5
33 pF 33 pF 33 pF
R1
0R
R2
0R
D1
F2
F3
F4
D1 D2 D3 D4
ESD
Smart Module Series
D2
1
5
4
3
6
2
R3
0R
65 / 115