Platformă de e-learning și curriculă e-content pentru învățământul superior tehnic

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1 Platformă d -larg ș crrclă -tt tr îvățămâtl sror thc lmt d lctrocă Aalogcă 6. Trazstoar bolar (TBIP

2 Trazstorl bolar-rocs fzc Itrodcr Smdctor trog dotat c mrtăţ astfl îcât s formază doă ocţ : rga d mloc bază - foart îgstă d - ord d mărm:,. rg latral mtor, lctor - mlt ma dotat - d aclaş t - a rortăt lctrc ş fzc dfrt (r dotăr dfrt ş r dms dfrt. Procd d fabrcar: - alr - dfz rofll ş adâcma zo dfzat ot f trolat r ctraţa d mrtăţ, r tmratra d dfz ş r drata rocsl d dfz.

3 Rgmrl d lcr s stablsc dă modl d olarzar a clor ocţ: ocţa B ocţa B - rga actvă ormală (RAN drct vrs - rga d satraţ (SAT drct drct - rga d blocar (B vrs vrs - rga actvă vrsă (RAI vrs drct Procs fzc Trazstorl st d t P+NP+, fcţoâd î RAN.

4 ocţa B st olarzată drct: golrl d mtor trc î bază, dar, ţ golr s rmbă, cl ma mlt ag la lctor; d acsta st olarzat vrs, st câm lctrc trc car favorzază trcra golrlor î lctor. - golr ctat d mtor lctat d lctor P ( r P ( - st grosma fctvă a baz, d S dfşt: factorl d trasort î bază: t P P ( ( P r ( ocţa B st olarzată drct: crclă crt d lctro local datorat dfz lctrolor d bază î mtor. Doarc baza st mlt ma ţ doată c mrtăt dcât mtorl, crtl d lctro va f mlt ma mc dcât crtl d golr: ( P S dfşt: fcţa mtorl:

5 P ( ocţa B st olarzată vrs: xstă crt local al ocţ (ca la doda olarzată vrs, v. oclz: tsa mcă d ocţa B m crţ d lctor a căror valoar dd, ractc, d tsa d ocţa B; dsoztvl s mortă la şr ca o srsă d crt mărm d şr (crt madată d o mărm d trar (ts trasfr rsstor trasstor. Trazstorl bolar-caţ d fcţoar Iotz smlfcatoar: - modl dmsoal; - ctraţ stat d mrtăţ; - grosml zolor tr al ş >> lgml d dfz; - vl mc d ct (c. rtător ctaţ << c. ma.; - s glază foml d grar-rmbarv î rgl d trcr; - s rs absţa altor agţ xtr; - trazstor PNP î RAN; - d,, s glază rga d trcr B.

6 odţ la lmtă (d t Schokly: ( l ; ( l ( ( l 4 ; ( l 3 ( taa I: S glază crtl d rmbar d bază; crtl d golr d bază st stat d ( x D ( ct. dx sa: d ( dx D S tgrază: ( x ( x D

7 c dl: x ( x ( x ( x ( ( ( x ( x (varaţ lară; D S calclază: ( ( ( D ş rzltă: D ( ( ( sa: ( D Ptr RAN: D, ( Smfcaţa l :

8 U d l d S obsrvă că dacă fct d modlaţ a grosm baz (ca c dc la da d racţ tră î trazstor. taa II: S calclază crtl d rmbar ord d la caţa d ttat, î rgm staţoar: ( dx x d t sa: ( ( dx x d x S tgrază toată lgma baz: ( ( x d dx x Dar: r x d ( ( (

9 Rzltă: ( ( ( ( ( D dx x D dx x r D D Rzltă: r Ptr RAN: r D. taa III: rtl local d lctro la ocţa mtor-bază: ( D

10 taa IV: rtl ror la ocţa lctor-bază (ca la o ocţ PN olarzată vrs, dar c zoa P sbţr : D D (lctorl st doat dfrt c mrtăţ î maraţ c mtorl; D D tr RAN (tr s-a lat sml rlat c sml crtl d lctor. Dacă A st ara scţlor trasvrsal al ocţlor, crţ vor f: A ( ( ( A ( A r B ( r A Dtrmara aramtrlor trazstorl:

11 factorl d ct al mtorl (fcta mtorl: D D D D ( ( ( ( ( ( Dar: D D D D Rzltă: - baza ma slab doată dcât mtorl, - baza cât ma îgstă,

12 factorl d trasort: r r t D ( ( ( ( ( ( ( Rzltă, tr RAN: t S obsrvă: o t t ( ( rlaţa fdamtală a trazstorl:

13 st factorl d crt al trazstorl î xa B. Valorl tc st aroat d dar ma mc dcât. Trazstorl bolar - caractrstcl statc aractrstcl statc (î gral caractrstca d trasfr o mărm d şr î fcţ d o mărm d trar: - v ( v sa o ( v c aramtr ; - ( v sa o ( c aramtr v ; caractrstca d şr o mărm d şr î fcţ d calaltă mărm d şr c aramtr o mărm d trar: - o ( v o c aramtr sa v ; - v o ( o c aramtr sa v ; caractrstca d trar o mărm d trar î fcţ d calaltă mărm d trar c aramtr o mărm d şr: - ( v c aramtr v o sa o ; - v ( c aramtr v o sa o.

14 aractrstcl statc al TBIP î xa B aractrstca d şr. ( ct Rlaţ: o D D A tr, : - tr,

15 - tr c ct. tr ma, - tr - alara l : s fac tr tr ma, - tr (î ma: - alara l ţ ma mar dcât î cazl rcdt; s fac tr, dar la o valoar c tr 3 ma, - tr 3 (î ma: - alara l ţ ma mar dcât î cazl rcdt; s fac tr, dar la o valoar c

16 Obsrvaţ: - caractrstc aroa orzotal, abatra rovd d la varaţa l ş a l c tsa r trmdl l ; - caractrstc aroa chdstat la crştr gal al crtl d mtor rovd d la varaţa l c crtl d mtor (lctor; - alara crtl d lctor s fac tr ts d lctor oztv, mc ş foart aroat ca valoar tr dfrt valor al crtl d mtor. Rgmr d fcţoar: - rga d blocar (tăr, tr ; - rga actvă ormală; - rga d satraţ. aractrstca d şr Rlaţ: ( ct. D o A ct.

17 Obsrvaţ: - caractrstcl st chdstat; - ata caractrstclor st ma mar ( aar ş xlct la mtor ş l scad câd tsa d lctor crşt î modl; - alara crtl s fac tot tr valor oztv al l. aractrstca d trar ( ct. Rlaţ: D D A A (tr RAN

18 Obsrvaţ: - caractrstca xotală; - tr, caractrstca trc r org; - flţa l st mcă, r trmdl l ; aractrstca d trasfr sa ( ( Rlaţ: o Obsrvaţ: - ractc, arallă c rma bsctoar; - la crţ mar, scad.

19 Iflţa tmratr asra caractrstclor statc: Obsrvaţ: - caractrstcl s dlasază cătr stâga ss, PSF s aro d zoa d satraţ. Aroxmara caractrstclor (modl î crt t odll crt t al trazstor bolar d t PNP tr crctl d şr c c

20 odll crt t al trazstor bolar d t NPN tr crctl d şr fără c Obsrvaţ: - la trar, trazstorl oat f modlat î ca ma smlă formă c o ts d rag, V, c valor tc d, V tr G ş,6 V tr S; D crtl d mtor st stablt d crctl xtror; - î lctor, trazstorl st modlat rtr- grator d crt madat d crtl d mtor; d cl ma mlt or s folosşt galtata s a valoara., car rs că tr factorl d crt aractrstcl statc al TBIP î xa

21 aractrstca d şr ( ct. B Rlaţ: o B S lmă ş rzltă: B c (factorl d crt al trazstorl î x Ş.

22 Obsrvaţ: - caractrstcl a ata ma mar doarc dd ma trc d c r trmdl l : - caractrstcl trc rtr- ct foart aroat d org; - caractrstcl st chdstat doarc ddţa d crtl d lctor a factorl d crt î x st ma mar dcât î cazl x B. aractrstca d şr. ( ct B Rlaţ: D A D A B

23 B c aractrstca d trar. ( ct B B B Rlaţ: B (trc flţat d

24 Obsrvaţ: - caratrstcl trc r org; - tsa ar o flţă mcă. aractrstca d trasfr ( B, aramtr ; Rlaţ: B Obsrvaţ: - flţă ma mar a ts d lctor r trmdl l car dtrmă o varaţ ma trcă a l. Aroxmara caractrstclor statc:

25 Obsrvaţ: - la trar, trazstorl oat f modlat î ca ma smlă formă c o ts d rag, V, c valor tc d, V tr G ş,6 V tr S; D crtl d bază st stablt d crctl xtror; - î lctor, trazstorl st modlat rtr- grator d crt madat d crtl d bază; d cl ma mlt or s folosşt galtata, car rs că rlaţa tr crtl d lctor dv: B r glara crtl rzdal,. Trazstorl bolar - modll arly Factor d amlfcar crrt a trazstorl Trazstorl st tlzat tr rlcrara smallor varabl. Small varabl s alcă î sr c tsl d olarzar - rmar, s vor modfca crţ, dc ş tsl rzstţa d sarcă. ca Î cazl gral, small varabl s sra st rgml d crt t. Trazstorl lmt lar adcă rlaţl dtr ts ş crţ st lar. arzara s oat fac î dţ d smal mc.

26 Dfţ: factor d amlfcar î crt: - tr xa B: ct. - tr xa : B ct. - tr xa : oxa B: B ct. Rlaţ: rzltă, r drvar:

27 d d d d d d d. d ct. ct ct. Doarc: D d A, I d PSF rzltă: I d d ct. I d d ct. Doarc î RAN dd ţ d, rzltă:. Ddţa d PSF:

28 Varaţa l c crtl d lctor (mtor dtrmată d: - grara d rtător lctro-golr d zoa d trcr ( ; - fct la vl mar d cţ ( t. oxa : Rlaţ: B ct. B B Factor d amlfcar î rgm varabl î xa : h. Varaţa l c crtl d mtor (lctor st mlt ma trcă dcât î cazl x B. oxa : rztă lmt mortat d ct d vdr al rgml statc d fcţoar; rfrrl s fac la xa. odll arly odţ: - smal varabl mc; - rgm staţoar.

29 rctl d trar, ( S dfrţază î rl PSF, I I U U,,, K r m S dsază sb forma crct lctrc: Obsrvaţ:

30 - r - rzstţa atrală a mtorl: D A (tr RAN:, I D A Rzltă: I I r,6 (valoar mcă - K - fctl d modlaţ a grosm baz: I AD I I K

31 (rrztă flţa şr asra trăr r trmdl grosm fctv a baz racţa tră î trazstor. U l d U d U U U l Valor tc tr K: 5 3. rctl d şr Rlaţ: (, ( c c S dfrţază: c c

32 S oat scr sb forma: c g Obsrvaţ: - factor d amlfcar î crt î xa B - c g dctaţa atrală a mtorl ddţa d PSF: c c c I g g c c c Kr g I g g

33 S obţ valor mc tr dctaţa atrală a mtorl ca c fră TBIP caractrl d grator d crt ş î rgm damc. S Ptr smal rad varabl, trv lmtl caactv: S adagă ş rzstţa dstrbtă a baz, rx r bb : Ptr crctl arly lmtl d crct dd ş d frcvţă, ca fac dfclă tlzara l. aactăţl trazstorl a ocţa mtor-bază olarzată drct caactata d dfz st ma mortată dcât caactata d barră; la ocţa lctor bază olarzată drct tază ambl mot, ma mortată fd, totş, caactata d barră. d b c dc bc

34 aactăţl d barră ca la ocţa PN: b b U U bc bc U U aactata d dfz st dtrmată d varaţa sarc rtătorlor mobl d sarcă d bază la varaţ al ts mtor bază rsctv lctorbază. Rlaţ: odţ la lmtă d t Shockly: ( ; ( attata totală d sarcă: Q d dq d A ( ( A( x dx A A

35 aactata d dfz la ocţa mtor-bază: d dq d d A U D I aactata d dfz la ocţa lctor-bază: dc dq d d D A U A U D D K I K K d Trazstorl bolar modll Galtto odll Galtto st modl tr car aramtr dd d frcvţă âă la o valoar foart mar a acsta (. S ddc d modll arly:,5 f

36 r K g c Prma rlaţ s scr: r Kr sa: r K r Kr car s scr sb forma: r S r o Aalog, rlaţa a doa s scr: K r g c Kr r g c Kr Kr g c

37 sa: S r o r S dsază, sb forma crct lctroc, cl doă rlaţ: Itrrtara aramtrlor K o S o I 4 r r r I S st ata trazstorl, î I ma ; ma, tr V I î ma; ( ma S 4 V tr r r S S

38 (rrztă crtl local al ocţ B, valor tc d ordl ma - s î vdţă rlaţa: Sr ; o k tr I d r o Kr K S K I (rrztă racţa tră a trazstorl, valor tc d ddtă d PSF ş d frcvţă; 4 5 r g c Kr g c K S g Kr (ddt d PSF ş d frcvţă, valor tc tr r d r x -rzstţa dstrbtă a baz, valor tc zc st Ω. Schma s oat dsa ş tr xa. 6 ; Schma smlfcată tr frcvţ oas

39 Schma smlfcată tr: amlfcar mcă frccvţ îalt

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