骆驼调频

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LM1875单电源供电电路及PDF资料

By 骆驼 • 7 9th, 2008 • Category: AudioRSS 2.0 Trackback

* From: 骆驼调频 * 21say.com *

LM1875单电源供电与双电源供电的基本工作原理相同,不同之处在于:单电源供电时,采用R1、R2分压,取1/2VCC作为偏置电压经过R3加到1脚,使输出电压以1/2VCC为基准上下变化,因此可以获得最大的动态范围。

* From: 骆驼调频 www.21say.com *

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* From: www.21say.com *

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