2024年04月29日

晶体管直流稳压源

2003 年 11 月 19 日
 

?§?????±?÷?????? ????????????????????±ê ?±?÷???????????????????????? ?¨1??×??ó?????±?÷???÷Iomax:±í?÷???????????????????????????÷?????÷??????×??ó???í???÷IcM???? ?¨2?????¨?????????±?÷????Uo??·?±??¨???????÷???????? ?¨3????????????S??±í???????????÷???·??????±?????±????é??????????????????Ui??±??????????????????????à??±??????????????????à??±???????±????????? S=(?÷Uo/Uo)/(?÷Ui/Ui) S???????????????¨?????????¨??S????10-10?? ?¨4??????×è??Ro??±í???±???????????·??????±?????±??±?????????????÷Io??±
?????????????????????±??????????????÷??±???????±??????? Ro=?÷Uo/?÷Io ??????????Ro???????ò???÷??????????±????????? ?¨5?????¨????y???????????????÷·????????¨?????±?÷??????°?·?±????? r=[(U-)/Uo]??90% ??????r???????????¨?????¨?????????¨????????????·ü??????????1??·ü ???????÷?????¨???· 1?????÷???· ?????????÷??°??¨?????¨??????????????±????????÷???·???ü?????????????????????ò??????°????÷????±????±?÷???????????????????÷???·??±????÷?°???????????ó???????????????????ó????±í???? ±í?? ?÷?????÷???·???÷????±ê   °??¨???÷?¨a?? ???¨???÷?¨b?? ???????÷?¨c) ???????÷?¨d?? ±??????÷?¨e?? ???· ight="76">   ???÷???????? ?¨???§???? ?????±???????? ?¨???§????Uo ???????±???????? ?¨???§????Uo ??????·??ò·??? ???? ?????¨???????÷ ???ù?? ???§??
?¨a?? U2 U2 U2 U2 Io 1.57Io ?¨b?? 2U2 U2 1.2U2 U2
0.5Io 0.79Io ?¨c?? U2 U2 1.2U2 U2 0.5Io 0.79Io ?¨d?? 2U2 U2 1.2U2 U2 0.5Io 0.79Io ?¨e?? U2 U2
2U2 U2 Io 1.57Io 2?????¨???· ???¨???·???????????????¨???¨???·???ü???¨???±?÷·??????????????÷·??????ò???¨??????????????????×é?????????·??????????????????±í?????????¨???·?????¨????r???????????¨????????????
±í?? ?÷?????¨???·??±???   ???????¨ ???????????¨ ×è?????¨
?§???????¨ ???· ???? 1.???????????? 2.???????÷?±???¨?§?????? 1.???¨?§?????? 2.?????????±?÷???????§ 1.???¨?§?????? 2.???????????÷×÷?? 1.???¨?§?????? 2.??????????×è?????¨?à?? ?±?? 1.???????????? 2.?????????±???????÷???ó???????÷???·?????????ó?????÷???÷ ×÷???????¨?÷?±?????ó????±???????±??? 1.????????????
2.???±?÷???????§ ?à???????§????????????×è?????¨?à?? ???????? ???????÷???????????? ???????÷???ó?????ó???¨???????????????? ??????×è???ó?????÷?????°???ó???¨???????????é?? ???????????ó?°???ó???¨???????????é?? ???????? ???¨???÷ C=[(1.44??10??/rRL](??F) °??¨???÷ C=[(2.88??10)/
rRL](??F) ???¨???÷ LC=1.99/r ??L???¨2RL/942???¨H?? C(??F) ???¨???÷ RC=[(2.3??10)/rRL] R??°???????????°???C(??F) ????C??°?×è?????¨???????? Rb????K?? Cb????????????F ×???r???????????????¨??????  r=???????????÷·??????§???¨·ü??/?????±?÷?????¨???ù?????¨·ü?? r?????????¨???????????¨??r??°?·????????§·??????? ???????????¨?±?????????????????????±???????????????á?ú?ú???ó?????????????ù?????????÷???????????
??????????????¨?à??????·??÷???? ?????????????????? ???÷????????????????×?????????????????????????1?ù??????????????Dz×÷???÷?????????¨??Dz??????·??ò?÷??×??????ù????Dz?????·??????·¨????Iz??·??ò??Dz·??ò?à·?????????????Dz·??ò?÷???±????????????????????????????Iz??Izmin-Izmax·??§??±????±????????????????Uz???????????????????á???ò???????????÷?????????????¨???????ù×??????°??×÷?§???????????·?????¨?ú????????2???????????????·?? ???? ???? ???????§?????????????????????§????BG2??BG3×÷?÷?????????ü???????à???????????????????????·??BG1??·??ó????????????????|Ui|?????±??|UR2|??|Ue1|??????????BG2??BG3????????????×è???????ò???????????????ù±?????????R1????????±??¤U2???¨?? ????


站内搜索