Reference Circuit Design For Headset Interface; Reference Circuit Design For Loudspeaker Interface - Quectel SC200K Series Instruction Manual

4.12.3. Reference Circuit Design for Headset Interface

MIC2_P
HPH_L
HS_DET
HPH_R
HPH_GND
Module
Figure 29: Reference Circuit Design for Headset Interface

4.12.4. Reference Circuit Design for Loudspeaker Interface

SPK_P EARP
EA
SPK_M
RN
GND
Module
Figure 30: Reference Circuit Design for Loudspeaker Interface
SC200K_Series_Hardware_Design
F1
R2
20K
C3 C4 C5
33 pF 33 pF 33 pF
C1
NM
C3
C2
NM
NM
F2
F3
F4
D1 D2 D3 D4
ESD
F1
F2
C4 C5 D1
Smart Module Series
1
5
4
6
3
2
R3
0R
D2
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