• SIM900A_硬件设计手册_V1.06

    本文描述了SIM900A的硬件应用接口,包括相关应用场合的电路连接以及射频接口等。帮助用户快速了解SIM900A的接口定义、电气性能和结构尺寸的详细信息。

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  • 5V与3.3V电源转换技巧

    3.3V转5V的技巧,本文详细介绍了提供了一些电源供电组件、数字电平转换组件甚至模拟转换组件,以解决所面临的挑战。全书对每种转换均给出了多种选择方案,从单片 ( All-in-One)接口器件到低成本的分立解决方案都有涉及。简而言之,无论导致转换的原因是复杂性、成本还是尺寸,设计人员处理 3.3V 挑战可能需要的全部组件均在本文有所讨论。

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  • HW 硬件更新下载包

    HW 硬件更新下载包包含文件HWUpdates\hspcontents.xml .........\s7h0003x.hsp .........\s7h0004x.hsp .........\s7h0005x.hsp .........\s7h0006x.hsp .........\s7h0008x.hsp .........\s7h0009x.hsp .........\s7h0012x.hsp .........\s7h0013x.hsp .........\s7h0014x.hsp .........\s7h0015x.hsp .........\s7h0016x.hsp .........\s7h0017x.hsp .........\s7h0018x.hsp .........\s7h0019x.hsp .........\s7h0020x.hsp .........\s7h0023x.hsp .........\s7h0024x.hsp .........\s7h0025x.hsp .........\s7h0033x.hsp .........\s7h0034x.hsp .........\s7h0035x.hsp .........\s7h0036x.hsp .........\s7h0037x.hsp .........\s7h0038x.hsp .........\s7h0039x.hsp .........\s7h0040x.hsp .........\s7h0042x.hsp .........\s7h0043x.hsp .........\s7h0044x.hsp .........\s7h0045x.hsp .........\s7h0046x.hsp .........\s7h0047x.hsp .........\s7h0048x.hsp .........\s7h0049x.hsp .........\s7h0050x.hsp .........\s7h0051x.hsp .........\s7h0052x.hsp .........\s7h0053x.hsp .........\s7h0054x.hsp .........\s7h0055x.hsp .........\s7h0056x.hsp .........\s7h0057x.hsp .........\s7h0058x.hsp .........\s7h0060x.hsp .........\s7h0061x.hsp .........\s7h0063x.hsp .........\s7h0064x.hsp .........\s7h0065x.hsp .........\s7h0066x.hsp .........\s7h0067x.hsp .........\s7h0068x.hsp .........\s7h0069x.hsp .........\s7h0070x.hsp .........\s7h0071x.hsp .........\s7h0072x.hsp .........\s7h0073x.hsp .........\s7h0074x.hsp .........\s7h0075x.hsp .........\s7h0076x.hsp .........\s7h0077x.hsp .........\s7h0078x.hsp .........\s7h0079x.hsp .........\s7h0080x.hsp .........\s7h0081x.hsp .........\s7h0082x.hsp .........\s7h0083x.hsp .........\s7h0084x.hsp .........\s7h0085x.hsp .........\s7h0087x.hsp .........\s7h0088x.hsp .........\s7h0089x.hsp .........\s7h0092x.hsp .........\s7h0093x.hsp .........\s7h0094x.hsp .........\s7h0095x.hsp .........\s7h0096x.hsp .........\s7h0097x.hsp .........\s7h0098x.hsp .........\s7h0099x.hsp .........\s7h0101x.hsp .........\s7h0102x.hsp .........\s7h0103x.hsp .........\s7h0104x.hsp .........\s7h0105x.hsp .........\s7h0106x.hsp .........\s7h0107x.hsp .........\s7h0108x.hsp .........\s7h0109x.hsp .........\s7h0110x.hsp .........\s7h0111x.hsp .........\s7h0112x.hsp .........\s7h0113x.hsp .........\s7h0114x.hsp .........\s7h0115x.hsp .........\s7h0116x.hsp .........\s7h0117x.hsp .........\s7h0118x.hsp .........\s7h0119x.hsp .........\s7h0120x.hsp

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  • 签到新秀

    累计签到获取,不积跬步,无以至千里,继续坚持!
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