自供电快速电池测试仪原理图 作者：dolphin 时间：2011-07-07 元件BOM表：R1 = 2.2K R2 = 3.3R R3 = 10R R4 = 4.7K R5 = 33K R6 = 100K R7 = 100K R8 = 220K R9 = 330K R10 = 500K C1 = 10nf-63V C2 = 10nf-63V C3 = 100nF-63V C4 = 100nF-63V C5 = 100nF-63V C6 = 100nF-63V C7 = 100nF-63V C8 = 220uF-35V Q1 = 2N3819 FET Q2 = BC337 NPN Q3 = BC337 NPN D1 = 5mm Red LED D2 = 1N4148 D3 = 1N4148 D4 = 1N4148 D5 = 1N4148 D6 = 1N4148 D7 = 5mm Red LED IC1 = 7555 IC2 = 7555 SW1 = DPDT Switch BUT = Battery Under Test P1 = SPST Pushbutton(责任编辑：电路图) 关键词： 供电 快速 电池 测试仪 原理 阅读全文 加入微信获取电子行业最新资讯搜索微信公众号：EEPW或用微信扫描左侧二维码
