. i = a o + a 1 (V ns cos ns t + V th cos th t) + )VV( 2 a 2 th 2 ns 2 + + + 2 a 2 ( 2 ns V cos 2 ns t + ( 2 th V cos2 th t) + a 2 V ns V th [cos( ns + th )t+cos ( ns - th )t Tờn. C 6 v tg C 7 L 5 L 4 C 5 v th L 1 L 2 C 1 R 1 C 2 C 3 C 4 R 2 R 3 R 4 v ns Hỗnh 5. 8. Maỷch trọỹn tỏửn duỡng BJT õồnmừc EC vồùi V ns õỷt vaỡo bazồ V CC L 2 C 4 v tg ...
. V S cos s t + V t cos ) (4 ) Lỏỳy (3 ) - (4 ) => )6(cos)2sin 2 1 ( )2sin 2 1 () 2sin 4 1 2 1 ( 2 sin.cos 4 2sin 2 12 cos .cos 2 2cos 1 . 2 .cos ).coscos ( 2 )coscos ( 1 0 0 0 1 t SV i SVSV t tSV tdt t SV tdttSVI tSVi t t tt t tt tt t t o tttt ttD = == += + = = = . cos (2 t - s ) t] (* ) Ta coù : i II = i D3 - i D4 (1 ) ...