mạch lọc nguồn, chinh luu x2
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5/27/2018 M ch l c ngu n, chinh luu x2
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Mchlcngun,mchchnh
lu x2 Ni dung : ngha ca t in trong mch lc ngun , Dng inp ca mch chnh lu !h"ng c# t lc, Ngu$%n l& mch chnh lunh'n ()
1. Mch lc dng t in.
*au !hi chnh lu ta thu +c in p mt chiu nh-p nh", n.u!h"ng c# t lc th/ in p nh-p nh" n0$ cha th1 d2ng +c 30o ccmch in t4 , do # trong cc mch ngun, ta ph5i l6p th%m cc tlc c# tr7 89 t 30i tr;m
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5/27/2018 M ch l c ngu n, chinh luu x2
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inh ho ! "in #ng ca t l$c cng l%nth& in p 'u ra cng ()ng ph*ng+
Lrong cc mch chnh lu, n.u c# t lc m0 !h"ng c# t5i hoMc
t5i ti%u th mt c"ng u-t !h"ng ng !1 8o 3Ii c"ng u-t caJi.n p th/ in p DE thu +c l0 DE O F,P)QE
3. Mch chnh lu nhn 2 .
,- . mch ngu.n chnh lu nh/n 0
R1 trC th0nh mch chnh lu nh'n ( ta ph5i d2ng hai t hoc2ng tr7 89 m6c n9i ti.p, 8au # -u F >u ca in p oauchiu 30o i1m giSa hai t OT ta 8U thu +c in p t;ng g-p( l>n)
V mch tr%n, !hi c"ng t6c B mC, mch trC 3 dng chnh lu
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5/27/2018 M ch l c ngu n, chinh luu x2
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th"ng thAng )
Bhi c"ng t6c B #ng, mch trC th0nh mch chnh lu nh'n (,30 !.t Gu5 l0 ta thu +c in p ra t;ng g-p ( l>n)
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