Quectel MC60 Series User Manual

GSM/GPRS/GNSS Module Series
MC60 Series Hardware Design
MC60_Series_Hardware_Design Confidential / Released 64 / 114
3.10.3. Receiver and Speaker Interface Design
SPKP
SPKN
Differential layout
Module
10pF
0603
Close to speaker
GND
ESD
33pF
0603
33pF
0603
GND
10pF
0603
ESD
10pF
0603
33pF
0603
Figure 33: Handset Interface Design for AOUT1
SPKP
SPKN
Differential layout
Amplifier
circuit
Module
10pF
0603
Close to speaker
GND
ESD
33pF
0603
33pF
0603
GND
10pF
0603
ESD
10pF
0603
33pF
0603
Figure 34: Speaker Interface Design with an Amplifier for AOUT1
A suitable differential audio amplifier can be chosen from the Texas Instrument’s website
(http://www.ti.com). There are also other excellent audio amplifier vendors in the market.
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Quectel MC60 Series Specifications

General

Brand	Quectel
Model	MC60 Series
Category	Control Unit
Language	English