Figure 24: Reference Design For Aout2 - Quectel UC15 Hardware Design

Module
SPK2P
AGND
NOTE
The value of C1 and C2 depends on the input impedance of audio amplifier.
UC15_Hardware_Design

Figure 24: Reference Design for AOUT2

Differential layout
C1
C2
Figure 25: Reference Design with an Amplifier for AOUT2
Amplifier circuit
Confidential / Released
UMTS/HSDPA Module Series
UC15 Hardware Design
Close to speaker
GND
10pF
33pF
0603
0603
10pF
33pF
0603
0603
GND
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