... moi truang hay sl! hien thien di9n ap cila nguon. 3. Sa do m~ch khuech d~i vi sai thong d~ng 3. 1. M~ch khuech d~i ngo V30 -ra can bang R" r" Y" R" ... m~ch: R, C, R, R, C, lUR ~ Q, Q, Uvi iu", 1 II R, R, 1--=-Vj Hinh 1 .33 . MCJch khuech dCJi hoi fiep dong di¢n song song -Rs lit di¢n tra hoi tiep. - Tin hi~u ... nhau c6 tri s6 gi6ng nhau. Tin hi¢u vao duqc dua vao hai cvc BI va B2, trang do RIl 13 , RIl 23 la di¢n tra nh~n tin hi¢u vao cua moi Transistor. Khi a ng6 vao (dau vao, cua vao) c6...