Quectel SC20 Series - Reference Circuit Design for Earpiece Interface; Reference Circuit Design for Headphone Interface

Smart Module Series
SC20_Series_Hardware_Design 66 / 133
3.22.2. Reference Circuit Design for Earpiece Interface
EARP
EARN
F2
33 pF
0R
0R
33 pF
33 pF
C2
C3
C1
F1
Module
D1
D2
Figure 27: Reference Circuit Design for Earpiece Interface
3.22.3. Reference Circuit Design for Headphone Interface
Figure 28: Reference Circuit Design for Headphone Interface