Specifications

M80 Hardware Design
M80_HD_V1.0 - 56 -
3.10.3. Receiver and speaker interface design
SPK1P
SPK1N
Differential layout
10pF
10pF
33pF
33pF
33pF
Close to speaker
GND
GND
10pF
ESD
ANTI
ESD
ANTI
Module
Figure 28: Receiver interface design of AOUT1
SPK2P
AGND
Differential layout
10pF
33pF
Close to speaker
GND
ESD
ANTI
Module
22uF
Figure 29: Handset interface design of AOUT2
Quectel
Confidential