Reference Circuit Design For Microphone; Reference Circuit Design For Receiver Interface - Quectel SC20-WL Hardware Design

3.21.1. Reference Circuit Design for Microphone

MIC1P
MIC_GND
Module
Figure 24: Reference Circuit Design for Microphone Interface

3.21.2. Reference Circuit Design for Receiver Interface

EARP
EARN
Module
Figure 25: Reference Circuit Design for Receiver Interface
SC20-WL_Hardware_Design
F1
0R
C1
NC
F2
0R
C2
NM
F1
0R
C1
NM
F2
0R
C3
NM
Smart Wi-Fi Module Series
SC20-WL Hardware Design
MIC
D1
C3
100pF
D1 D2
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