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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
168211
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1、原黑白电视机的电源就是12V的2、电脑的光驱上就有使用的12V电源3、可以用220V变12V的变压器加上整流获取4、8节干电池串联也是12V5、*用蓄电池一块就是12V(汽油车一块,柴油车一般是两块串联是24V) 可视情况获取。
1、原黑白电视机的电源就是12V的2、电脑的光驱上就有使用的12V电源3、可以用220V变12V的变压器加上整流获取4、8节干电池串联也是12V5、*用蓄电池一块就是12V(汽油车一块,柴油车一般是两块串联是24V) 可视情况获取。
本设计通过变压、整流、滤波、稳压四部分来完成。首先利用变压器将220V交流电降到12V,经过二极管整流,电容的滤波得到平稳直流电压,再利用三极管的放大作用提高负载电流,并在电路中使用电压深度负反馈,从而达到稳定输出的目的,利用稳压管的反向击穿来提供三极管基极电压,通过改变电路参数使电路输出达到6V稳定值。