恒流驱动，大家帮忙计算一下参数。以经回答

三极管上13005，ci是630伏 /4.7微法，c2是25伏/100微法，d是2.8伏稳压二极管，桥堆用1安的就可以{:1_153:}

2# xwt
谢谢了

[whitepad]***400;200;400,200;;** m38,42 l38,40,39,40,40,39,42,38,44,38,47,36,48,36,52,34,55,33,57,32,60,31,62,30,66,30,72,28,89,28,89,30,90,32,90,56,89,58,88,61 87,62,87,65,85,69,85,70,84,72,82,74,81,76,80,77,79,79,78,79,78,80,77,80,77,81,75,81,74,82,73,82,73,83,71,85,70,85,68,86 67,87,63,87,63,92,61,96,61,100,60,100,60,118,59,118 e|********* m59,157 l58,157,58,158,57,158,57,164,58,164,59,165,63,165,64,166,67,167,69,168,70,168,74,170,84,170,84,160,83,160,82,159,81,159,81,158,79,158,79,157 78,157,77,156,76,156,74,155,72,155,71,154,70,154,70,153,69,153,68,152,67,152,66,151,58,151,57,152,56,152,56,153,55,154,55,155,54,156,54,159 e|********* m181,28 l231,28,237,30,240,32,241,33,243,34,243,74,240,78,236,81,235,85,234,87,232,89,231,91,230,94,229,94,228,96,227,97,226,97,226,99,225,99,225,100 224,100,224,101,223,101,223,103,222,103 e|********* m220,154 l220,157,219,157,219,167,220,167 e|********* m316,31 l319,31,325,33,328,35,333,38,336,42,344,46,347,50,351,56,352,60,354,64,354,72,351,74,349,76,347,77,344,79,340,81,334,83,329,84,326,86,319,86 316,87,307,87,307,123 e|********* m305,153 l306,153,306,154,307,155,307,154,306,154,306,155,308,155 e|********* m318,32 l309,32,307,33,304,34,302,34,299,35,295,37,293,37,290,40,288,40,288,41,287,42,287,44,286,44,286,57,285,57 e[/whitepad]

路过DDDDDDDDDDDDDDDDDD

电流=（2.8-0.7）/80=26毫安，这个电路原理是对的，用起来不方便，电流不准。