?a?????t 3DA4006 ??????1?????????e???1 1 ?????? 3d a 400 6 1 npn 3???? ?1|a???1 ?a?????????2a????e3????1|a??? ? ??2???e?o???e??o???e? ??????a ???a?? a??e? ??ae??o? o?1??? ??e?o? ?t?y?a???1ye?t1??? ae?? b4(a 3-02b) 2 ??e? 2.1 ???t? 3y?e1?? t am b = 25 2? y ?? 3? ?o? ???? ??? ???? - l?????1 v ce0 3 5 v ???? - ? ????1 v cb0 5 5 v l??? - ? ????1 v eb0 4 v ????? i c 0 . 4 a ta = 2 5 1 . 0 o?1|a tc = 2 5 p tot 3.5 w ??a t j 1 5 0 ???a? t stg - 5 5 150 8. 64 9. 39 6. 10 6. 60 12 .5 25 .0 8. 01 8. 50 e b c 45 2.2 ?2?y 3y?e1?? t am b = 25 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ???? - ??????1? i cb0 v cb =30v , i e = 0 0 . 1 m a l??? - ??????1? i eb0 v eb =3v , i c = 0 0 . 1 m a 12l????y ????? ??2?? h fe v ce =10v , i c =10m a 5 0 1 5 0 ???? - l???o??1 v ce sat i c =100m a , i b =10m a 0 . 5 v ???a f t v ce =20v , i c =50m a f=100mh z 7 0 0 mh z ?3??y c ob v cb =28v ,i e =0 f=1mhz 4 . 5 p f ?? ?-????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 3DA4006 3 ?e???? 0. 01 0. 001 0. 1 i c (a) 0. 1 11 0 v ce (v) 100 1 0 0 50 p to t (w) 2 3 4 t ( ) p tot - t 1????? 2?1?? ( ? ) t case =25 p tot - t case p tot - t am b 0.001 10 0.01 0.1 10 0 h fe 0.01 0.01 0.1 i c (a) 0.1 1 v ce sat (v) i c (a) v cesat - i c 1????? h fe - i c 1??? t am b =25 i c /i b =10 t am b =25 v ce =10v ? 2 3 12 2 3
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