... :Vc 1 (t) = [ Vc 1 () - Vc 1 (0) ]. (1 - exp (-( t - t0)/)) + Vc 1 (0).Vc 1 (0) = - Vcc ; Vc 1 () = Vcc Vc 1 (t) = (2.Vcc ). (1 - exp (-( t - t0)/ )) -VccKhi t = t0+ T0 Vc 1 (t0 ... = T 1 + T2. Xaùc õởnh T 1 : Q 1 từt , Q2 dỏựn baợo hoỡaVc 1 (t) = [ Vc 1 () - Vc 1 (0) ] (1 - exp (- t/ 1 )) + Vc 1 (0)Vc 1 () = Vcc ; Vc 1 (0) = - VccKhi t = T 1 Vc 1 (T 1 ... /Q2giaớmtT0tVccVOVCC-VbbQ2R1Q1C1Rb2Rb1RC1 RC2V ivit0vo thọng qua R 1 laỡm cho Vb /Q 1 giaớm Q 1 tổỡ dỏựn baợo hoỡa sang dỏựn khuóỳch õaỷi ib1 gốam ic1 giaớm Vc /Q 1 tng thọng...