About The Document - Quectel GSM Series Audio Design Manual

About the document

History
Revision Date
1.0 2009-11-02
1.1 2009-11-20
1.2 2010-11-20
3.0 2013-05-24
GSM Module Audo Design Guide
Author Description
Tracy Zhang Initial version
1. Added some acronym.
2. Added a Audio Power Amplitude manufacturer.
Tracy Zhang
3. Added a solution to TDD noise.
4. Modified cover.
Roy Chen 1. Added a diagram of audio channel
1. Added reference design of audio circuit
Jerry You (M1x, M95, M80).
2. Added AT command AT+QAPS.
Confidential/Release
GSM/GPRS Modules
GSM Module Audio Design Guide
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