Loudspeaker Application - Quectel 5G Module Series User Manual
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Also See for 5G Module Series:
- Hardware design (87 pages) ,
- User manual (37 pages) ,
- User manual (30 pages)
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3.4.1.1. Loudspeaker Application
Audio interface J1706 is designed for loudspeakers and the following figure shows a reference design of
loudspeaker with an external audio amplifier.
Codec
LOUDL/P
LOUDR/N
BTB CON
Figure 13: Reference Circuit Design for Loudspeaker Application
5G-REDCAP_EVB_User_Guide
46
Codec TE-A
J0502
Handset
J0501
Earphone
J0503
Figure 12: Audio Interfaces of the EVB
J0502
Differential layout
C1
C2
J1706
Loudspeaker
Close to speaker
Amplifier
FB
circuit
CS8122S
FB
5G Module Series
GND
J1706
GND
22 /
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