《AN_SIM900_Audio LINE-IN input_V1.01》.pdf

Audio LINE-IN input application AN_SIM900_Audio LINE-IN Input_V1.01 Audio LINE-IN input application Document Title: Audio LINE-IN input application Version: 1.01 Date: 2010-04-07 Status: Release Document Control ID: AN_SIM900_Audio LINE-IN Input_V1.01 General Notes SIMCom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by SIMCom. The information provided is based upon requirements specifically provided to SIMCom by the customers. SIMCom has not undertaken any independent search for additional relevant information, including any information that may be in the customer’s possession. Furthermore, system validation of this product designed by SIMCom within a larger electronic system remains the responsibility of the customer or the customer’s system integrator. All specifications supplied herein are subject to change. Copyright This document contains proprietary technical information which is the property of SIMCom Limited., copying of this document and giving it to others and the using or communication of the contents thereof, are forbidden without express authority. Offenders are liable to the payment of damages. All rights reserved in the event of grant of a patent or the registration of a utility model or design. All specification supplied herein are subject to change without notice at any time. Copyright © Shanghai SIMCom Wireless Solutions Ltd. 2010 AN_SIM900_Audio LINE-IN Input_V1.01 2 07.04.2010 Audio LINE-IN input application Contents Contents 3 Version history 5 1 Introduction6 2 Scope of the document 6 3 Recommended application circuit 6 3.1 Audio