CnojKHbie cxeMLi jismiiobłk YM31!
13-14-15
16-17
18-19
22+22
190
80
n3B-2 0,51 n3B-2 0,18 n3B-2 0,29
3aBepuiaeT o63op OAHOKaHanbHbix AByxraKTHbix ycwnuTenew HeflaBHO ony6nMKOBaHHaa b wypHane "PaAtoaMaTop" cxeMa CTepeocjjoHMMecKoro moctoboto YM3M K. BaHcSeHHa (PA3/99). Abtop CMMTaeT, mo BbixoAHOM TpaHctJjopMarop aBnaerca Han6omee kpmthmhwm KOMnoHeHTOM ntoSoro BbicoKOKaMecTBeHHoro ycMnMTena 3ByKOBOM MacroTbi, hmchho oh co3AaeT MHome BHAbi HCKaweHHM. BbixoAHOH KacKaA npeAnaraeMoro ycMnurrena nocTpoeH no cxeMe nocneAOBaTenbHO-napannenbHoro AByxTaKTHoro ycururrena (PPP-Push-Pull-Parallel), npeAnoweHHoro HeMeL(KHM HHHceHepoM <t>yrrepMaHOM b 1953 r. KacKaA npeACTasnaer co6om moct, Aea nneMa KOToporo o6pa30BaHbi BHyrpeHHHMM conpoTHBneHHaMH BbixoAHbix naMn, a Asa Apyrnx - c onpoTMBneHMaMM MCTOMHHKa aHOAHoro nmaHHa.
nocToaHHbie cocTaanatoujMe aHOAHbix tokob naMn npoieKaioT Mepe3 Harpy3Ky b npoTHBO$33e, noaTOMy nocTOHHHoe noAMarHH4HBaHne BbixoAHoro TpaHccpopMaTopa, KaK u b o6biMHOM AByxraKTHOM ycunuTene, OTcyrcTByeT. nepeweHHbie we cocraBnaioiAMe aHOAHbix tokob BbtxoAHbix naMn nporeKarer Mepe3 Harpy3Ky b <j>33e, TaKKaK Ha ceTKH naMn noAaiorca npornBO<j>a3Hbie HanpaweHMa.
Ecnw b o6biMHOM AsyxTaKTHOM ycHnMTene BbixoAHbie naMnbi no nepeMeHHOMy TOKy BKnioMeHbi nocneAOBaienbHO, to b npoTHBonapannenbHOM ycunuTene - napannenbHO. no3TOMy onTMManbHoe conpoTHBneHiie Harpy3KH Ana nporMBonapannenbHoro ycnnMTena b4 pa3a MeHbiue, aeM A/ia oSbiMHoro AByXT3KTH0r0. Sto 3H3MHT, MTO HHAyKTHBHOCTb nepBMMHOM 06M0TKH BblXOAHOTO TpaHC$0pMaT0pa B npoTHBonapannenbHOM ycnnHTene npn oahhx h Tex we HeniiHeHHbix HCKaweHHax Ha 33AaHH0H HM3iueH Macrore 6yAeT b4 pa3a MeHbiue, mom b oSmmhom. 3HamrrenbHO ynpoajaeTca KOHCTpyKmia BbixoAHoro TpaHC$opMaTopa. B npoTHBonapannenbHOM ycuntiTene BbixoAHOH TpaHC<j)opMaTop mowho 3aMeHHTb CBoeo6pa3HbiM aBTOTpaHCCpOpMaTOpOM CO CpeAHeil TOMKOM, MTO npMBeA©T K yMeHblUeHHtO HCKaWeHMH Ha BblCUJMX MaCT0T3X, o6ycnosneHHbK HHAyKTHBHOCTbio pacceaHHa h pacnpeAeneHHbiMH eMKOCTaMH MewAy o6motk3mh BbixoAHoro TpaHC$opMaTopa. npMHAHnHanbHaa cxeMa ycMnMTena noK33aHa Ha pHC.39.
PMcyHOK 39 CxeMa naMnoBoro ycMnMTena moiahocth K. BaftcSeMHa
TexHHMecKHe xapaKTepMCTMKM yM3M cneAytouiHe. BbixoAHaa MouiHOCTb npn HenMHeMHbix HCKaweHMax weHee 1 % 20 Bt. MyBCTBMTenbHOCTb no BXOAy 250 mB. MyBCTBMTenbHOCTb ycMnMTena mou|hocth 0,5 B. flonoca BocnpoM3BOAMMbix MacTOT 10-70 000 T4. ConpoTHBneHMe Harpy3KM 2,4, 8,16 OM.flHana30H perynMpoBKH TeM6pa
10 a6.
riepBbiM KacKaA ycMnMTena BbinonHeH Ha nonoBMHe naMnbi 6H23H (6Hin, 6H2H, 6H4F1), eropoM KacKaA npeACTaBnaeT co6oh o6biMHbiH pe3MCTMBHbiM ycMnHTenb. MewAy nepBbiM h BropbiM KacKaAOM ewnoMeH LUHpoKOAMana30HHbiH perynaTopTeM6pa. B KaMecTBe noTeHAHOMeTpa Hcnonb30BaH nepeKnioMaTenb I12K.
ripMMeneHMe cf>a30MHBepTopHoro KacKaAa, coSpaHHoro no cxeMe c KaTOAHOM CBa3bio (VL3), oSecneMMBaeT BbicoKyio cMMMeTpHio BbixoAHbix HanpaweHHH b uiMpoKOM A«ana30He MacTor h Manbie HenHHeHHbie HCKaweHHa. C npeAbiAyiAMM KacKaAOM (VL2), npeACTaenaioiAMM co6oh KaTOAHbiM noBTopHTenb, c}>a30HHBepTopHbiH KacKaA CBa3aH ranbBaHHMecKH, mtoSw yMeHbuiHTb CABMr 0a3 Ha hm3kmx MacroTax, mto ynyMiuaeT CTa6MnbHocib pa6ora ycMnMTena.
BbKOAJ-ioH KacKaA co6paH no cxeMe PPP Ha naMnax 61141C, HMeiou4HX AOCTaTOMHyro MoiAHOCTb h HeSonbuioe BHyrpeHHee conpoTMBneHHe (12 kOm). Bmccto 6(1410 mowho npHMeHMTb naMnbi 6I13C, 6ri27C, EL34. ycMnMrenb oxB3MeH OTpMLjaTenbHOM oSpaTHOM CBH3bto, HanpaweHHe KOTopoM Mepe3 pe3HCTop noAaeTca c BbixoAHOM oSmotkh aBTOTpaHc^opMaTopa b qenb KaTOAa nepBoro KacKaAa ycMnMTena moll(hoctm.
(iMTaHMe ycMnMTena - ot AByx 0AMH3K0Bbix OAHononynepMOAHbix BbinpaMHTeneH Ha AWOAaxfl237B. TpaHccJjopMarop nHTaHHa MMeeT4 oSmotkm aHOAHoro HanpaweHMa no 240 B KawAaa. npHMeMarenbHO, mto KOHABHCaTOpbl B 6nOK6 nHT3HMa He COeAHHeHbl c KOpnyCOM.
CMnoBOH TpaHC<})opMaTop HaMoraH Ha TopoHAanbHOM cepAGMHHKe. JlyMUje ecnH KawAbiM KaHan CTepeoycMnMTena 6yAeT HMeib OTAenbHbiH cnnoBOH TpaHctfiopMaTop. BycHnMrene npeAycMorpeHO pa3A©nbHoe BKnioMeHHe HaKanbHoro h aHOAHoro HanpaweHHM, mto no3BonaeTyBenHMMTb pecypc BbtxoAHbix naMn.
ycMnMTenb cmohtmpob3h Ha MeTannHMecKOM maccM MeTOAOM HaBecHoro MOHTawa c Hcnonb30BaHMeM MOHTawHbix nnaT, a Taicwe nenecTKOB naMnoBbix naHeneM, mto yMeHbuuaeT hbboakm h eMKOCTb MOHTawa.
HanawMBaHMe CBOAMTca k npoeepKe npaBHnbHOCTH MOHTawa. depenaA HanpaweHHM wex<Ay k3toaom KaTOAHoro noBTopMrena m KaTOAaMH naMnbi <J)a30HHBepropa AonweH SbiTb 2 B. (Ipn npaBHnbHO coSpaHHOM ycnnMTene MewAy BbiBOAaMM 10 h 13 BbixoAHoro TpaHccpopMaTopa HanpaweHHe AonwHO paBHaTbca Hynio. B cnyMae noaeneHHa <j)OHa h6o6xoammo nepe<j)a3HpoBarb OA^y M3 aHOA^bix oSmotok TpaHC0opMaropa nHTaHMa.
10 13
PMcyHOK 40 PacnonoweHMe oSmotok BbKOWA^oro TpaHC<j)opMaTopa ycMnMTena K. BaHc6eHHa
15 z 16