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TC35i GSM模块的低纹波噪声供电设计
消耗积分:10 |
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2009-08-06
杜喜喜
分享资料个
采用GSM 模块的远程数据传输方案应用日益广泛。但是在便携和移动设备应用领域，供电电源输出功率小，纹波噪声大，瞬间负载电流大，有时会影响到GSM 模块及系统工作的稳定性。本文叙述了一种由5V/600mA 电源向瞬间大电流的TC35i GSM 模块供电的低纹波噪声供电设计方案。该方案已经在工程中得到了实际应用，表明该方案有效可靠。
关键词：低纹波; 低压差; GSM 模块; 供电
Abstract: GSM modules are now widely adopted for remote data transmission. In the portable
and mobile application area, the limitation of power supply capacity, high level of ripple noise and huge transient current may damage the system stability. In this article, one 5V/600mA power supply solution designed for TC35i GSM module will be discussed, which has been applied in a project and proved to be reliable and effective.
Keywords: low ripple; low dropout voltage; GSM module; power supply
关键词：低纹波; 低压差; GSM 模块; 供电
Abstract: GSM modules are now widely adopted for remote data transmission. In the portable
and mobile application area, the limitation of power supply capacity, high level of ripple noise and huge transient current may damage the system stability. In this article, one 5V/600mA power supply solution designed for TC35i GSM module will be discussed, which has been applied in a project and proved to be reliable and effective.
Keywords: low ripple; low dropout voltage; GSM module; power supply
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zw84873018
2011-04-18
1 回复 举报好东西。。谢谢了。。 收起回复
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