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? o ???? 1
c? ?d : 2003 ? 10 d sjh00005bjd unr1231 (un1231) , unr1231a (un1231a) 3?? npn e??3???? ? * t ? ?; ?y ? ? v ?v ? ?p h fe u?m ? m t????-? ? ;+w ?= , ? ? : :w_nt?????d ? 07 g t a = 25 c 6.9 0.1 2.5 0.1 (1.0) (1.0) (1.5) (0.85) 0.45 0.05 0.55 0.1 (2.5) (2.5) 21 3 r 0.7 r 0.9 (0.4) 3.5 0.1 4.5 0.1 4.1 0.2 2.4 0.2 1.25 0.05 2.0 0.2 1.0 0.1 (1.5) ? ) w ( ) ox , hr ? jpb g? o? ??~?? unr1231 v cbo 20 v ?y (e ?l ) unr1231a 60 ?? ~ ??? unr1231 v ceo 20 v ?y (b ?l ) unr1231a 50 ?? ?v i c 0.7 a ? ??? ?v i cp 1.5 a ??0 ? * p t 1.0 w ?9 s t j 150 c - 9 s t stg ? 55 + 150 c ?> $ ? q t a = 25 c 3 c g? e 7 ? a j 7 g o? ??~?? unr1231 v cbo i c = 10 a, i e = 020v ?y (e ?l ) unr1231a 60 ??~??? unr1231 v ceo i c = 1 ma, i b = 020v ?y (b ?l ) unr1231a 50 ?? ~ ?? ? ?v (e ?l ) i cbo v cb = 15 v, i e = 01 a ??~ ??? ? ?v (b ?l ) i ceo v ce = 15 v, i b = 010 a ??? ~ ?? ? ?v (c ?l ) i ebo v eb = 14 v, i c = 0 0.5 ma v ?v ? ?p * h fe v ce = 10 v, i c = 150 ma 800 2 100 ? ??~???^ ?y * v ce(sat) i c = 500 ma, i b = 5 ma 0.4 v ???3?? * t : f t v cb = 20 v, i e = ? 20 ma, f = 200 mhz 55 mhz ?? ? r 1 0.7 1 1.3 k ? ? zp r 1 /r 2 0.016 0.021 0.025 ? 1 : base 2 :collector 3 : emitter m-a1 package unit : mm o ? ? $ ? )* : ???, x ; ?? ? w ? )? u 1cm 2 ? | ? 1.7mm ? )1. mox| ???f jis c 7030 ???? mot???b{ 2. * : ? b r 1 (1 k ? ) r 2 (47 k ? ) c e unr1231, unr1231a 2 sjh00005bjd p t ? t a i c ? v ce v ce(sat) ? i c h fe ? i c c ob ? v cb 0 0 160 40 120 80 0.4 1.2 0.8 1.6 *?9 s t a ( c ) ??0 ? p t ( w ) copper plate at the collector is more than 1 cm 2 in area, 1.7 mm in thickness 0 012 210 48 6 1.2 1.0 0.8 0.6 0.4 0.2 t a = 25 c i b = 1.2 ma 0.8 ma 1.0 ma 0.6 ma 0.4 ma 0.2 ma ?? ?v i c (a) ??~??? ?y v ce (v) 0.01 0.01 0.1 1 10 100 0.1 1 10 ??~???^ ?y v ce(sat) (v) ?? ?v i c (a) i c / i b = 100 t a = 75 c 25 c ? 25 c 0 0.01 2 400 2 000 1 600 1 200 800 400 0.1 1 10 v ?v ? ?p h fe ?? ?v i c (a) v ce = 10 v t a = 75 c 25 c ? 25 c 0 0.1 30 25 20 15 10 5 1 10 100 ??~?? ?y v cb (v) ?? z?0? ( ???l ) c ob (pf) ???tglwu [ ?cs?| r ? .w]?;tkhlows&mq ??? (1) ???tglw a ?s?|u [ ?cwojpz ??? 8t|?u?o t? pb??w? zb?z ?hxz ?t?j zbxz ?? s ?w?du ?apb{ (2) ???tglwu [ ?cx a ?w e ? qs?| ;s??sr??`h?wpk?z t? `xx h~ w ? $r?vfw wvbt 0b?- a?hx?avw? z??b??wpxk ??d?{ (3) gu [ ?cw]?;ti?`o h~ twvbttt??e ju c \`h ?z ptxf w y? ?o?wpxk??d?{ (4) ???tgl^?om? a ?xz a j; m ? ` ??;+ ( ??;+z ?;+z - ;+z h ? a ?sr ) t?;^??\q?? $`os??b{ ? s ?z ?t qua{^?z fw? ??? ?^u ? ??t`h?z .t)??t? ba?wk?; m ? ? ; m ( ? ~ | ; z | ;+z ?;+z \??? ?z ? ? ?sr ) t]?;?s?qwsl7s?| ptu? $`h a j; m??t]?;?s?qwsl7xz ? 2tt? ?p] ?&m?b{ (5) ???tgl`os??b a ?s?| a ??7xz ~?srwh?t'sx!?b? ?u k??bwp]? ?xi^m{ `huloz 7 4 $s ?-z ] ?z ]?;tm`?`oxz ? 2t 7 yw a ?f {?hx?7 {?s{?&mz ]? yxi^m{ (6) ?-tm`oz ?t7 g z ?^ ?o ?y c?z l ? ? qtmmox- a c? op]?;mh iv?b?os&m ?`?b{ - a ?? qo]?;^?h ?z fw?t c \`h;+w=t mmoxtq`o y ? ?m?d?{ ?hz - a ? ow]?;pklo?z r ? . a ?tmmo ' ^??? ? c \pz ? ?t? ??]??w z t a ?w ?^uj?p]?;;+u ??z pb??z tq $s ?sr? \a^dsm ? ? ?-z ? 0f ?-z ? ?^w- ?-srw3a w 0f?ao ?v?b ?os&m ?`?b{ (7) wa ? ?aqb? a ?tmv?`oxz x?w?7 { ?|?`w ?z ?>?h e ( - 8z ? ??wl ?sr ) ? lo]?;xi^m{ (8) ???w ??hx ? ??tw {t?? ? zs`tz 8l?hx ab?\q?nxs ? ? ?`?b{ 2003 sep |
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