?a?????t 3dd13003 e6 ?????1?????????e???1 1 ?????? 3dd13003 e6 1 npn e 1| a?a1?? ?1 ?a ?? ??? ? ?? ??? ?3??? ? 1|a?a1??a ??????a ?????1?? ?a??e? o?1??? ??e?o? ?a1???? ???a?e?o? ae?? t o -126 2 ??e? 2.1 ???t? 3y?e1?? t am b = 25 2? y ?? 3? ?o? ???? ??? ???? - ?????1 v cbo 6 0 0 v ???? - l?????1 v ceo 4 0 0 v l??? - ?????1 v ebo 9 v ??????? i c 1 . 2 a t a =25 1 . 1 5 o?1|a t c =25 p tot 40 w ?????a t j 1 5 0 ???a? t stg - 5 5 150 2.2 ? 2?y 3y?e1?? t am b = 25 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ???? - ??????1? i cb0 v cb =600v , i e =0 1 0 0 a l??? - ??????1? i eb0 v eb =9v , i c =0 1 0 0 a 12l????y????? ??2?? h fe a v ce =10v , i c =0.1a 1 0 4 0 e?? ?a h fe 1 ?? ? ?a h fe2 ? h fe1/ h fe2 h fe1 :v ce =10v , i c =5m a h fe2 :v ce =10v , i c =0.25a 0 . 7 5 0 . 9 ???? - l???o??1 v ce sat a i c =0.5a, i b =0.1a 0 . 8 v ? ?? - l???o??1 v be sat a i c =0.5a, i b =0.1a 1 . 2 v ?a???? t f 0 . 5 s ???? t s v cc =60v , i c =0.6a 2i b1 =-i b2 =0.2a 2 . 5 s ???a f t v ce =10v , i c =0.1a f=1mhz 5 mhz a : a?3?2a? tp 300 s, 2% 2. 29 1. 27 7 .8max b c e ?? 30 3.2 max 1 5.0min 4. 4m a x 11 .1 ma x 1 .65 0. 5 2. 29 0. 74 2 .8max ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 05 10 58 07 22 8-22 68 229 9 ??? 05 10 580 03 60 ? 1 3 12 2 3
?a?????t 3dd13003 e6 3 ?e???? 0.1 0.01 1 i c (a ) 1 10 10 0 v ce (v ) 10 0 0 0 50 p to t (w) 20 30 t ( ) 10 40 2?1?? ( ? ) p tot - t 1????? t case =25 p tot - t case p tot - t am b 0.01 1 0.1 1 i c (a ) h fe 10 0.1 0.01 0.1 1 v ce sa t (v ) 1 i c (a ) h fe - i c 1????? v cesat - i c 1????? t am b =25 i c /i b =5 t am b =25 v ce =10v 0. 1 0. 4 v bes a t (v) 0. 8 1. 2 1 i c (a) v be satt - i c 1????? t am b =25 i c /i b =5 ? 2 3 12 2 3
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