Reference Design For Earpiece Interface; Reference Design For Headphone Interface - Quectel SC606T Series Hardware Design

3.20.2. Reference Design for Earpiece Interface

EAR_P
EAR_N
Module

3.20.3. Reference Design for Headphone Interface

MIC_GND
MIC2_P
HPH_L
HS_DET
HPH_R
HPH_REF
Module
Figure 27: Reference Design for Headphone Interface with Normally Open Jack
SC606T_Series_Hardware_Design
C2
33 pF
C1
33 pF
C3
33 pF
Figure 26: Reference Design for Earpiece Interface
F1
R2
20K
C3
C4
33 pF 33 pF 33 pF
SC606T Series Hardware Design
R1
0R
R2
0R
R1
0R
F2
F3
F4
C5
ESD
Smart Module Series
D2
D1
1
5
4
6
3
2
D1 D2 D3 D4 R3
0R
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