电子技术基础

31122RC283240TTL4553566473555808891103108110TTL11512121111131YY1Y2GND2Y1Y2Y1Y23Y4X5YYXdivcmYv/divdivcmt/div4220VPP312311)Y1Y2GNDXY()2YY1Y2YACDC5Y1Y2Xt/divYV/diva.yy1111Up-p(V)f(KHz)SSb.11cyX“”101162100Hz1KHz10KHz100KHz1VY1212msHzVVV100Hz1KHz10KHz100KHz31)“”“”Y1Y2GND0.5sdiv5Sdiv2)121KHz2VRCuiuRY1Y2712Y1Y2Y1Y2Y1Y2ACY1Y2uiuR13XXT1380T360(div)XX(div)×=θXTXX1313XXTX1212)a)Y1Y2Y1Y2b)c)d)Y1Y23?4912C0.01fR10K12RC1012321RB1RB2REuiuiu02121RB1RB2TIB510CCB2B1B1BURRRU+≈CEBEBEIRUUI≈−≈UCEUCCICRCRE11beLCVrRR//−=ARiRB1//RB2//rbeRORC11)ui0ICUBUCUEUEUCICUEEEECRUI=≈IICCCCCCRUU−=IUCICUBEUBUEUCEUCUE2)12ICUCEuO22(a)uO22(b)uiuO(a)(b)22uOUCCRCRBRB1RB223RB2RB2132321)AVuiuOuiuoUiUOi0VUUA=2)Ri2424RUSUi14RUUURUUIURiSiRiiii−===:RRURUSUiURUSUiURRRRiR12K3)R02-4RLUOULOLOLLURRRU+=LLOO1)RUU(R−=RL254)UOPPRW15uO25UO0U22UOPP5)AUf26Aum2/10.707AumfLfHfBWfHfLAUAU6)3DG9011(NPN)3CG9012(PNP)9013(NPN)262716112V234567893DG61(50100)901112721111RW12VRWIC2.0mAUE2.0VUBUEUCRB2212-1IC2mAUBVUEVUCVRB2KUBEVUCEVICmA21KHzuSUi≈10mVuOUOuOui221722Ic2.0mAUimVRCKRL(K)Uo(V)AVuOu12.41.22.42.43RC2.4KRLUiRWuOICUO2323RC2.4KRLUimVIC(mA)2.0UO(V)AVICUi024RC2.4KRLUimVIC(mA)UCE(V)u02.04RC2.4KRL2.4Kui0RWIC2.0mAUCE18u0RWu0ICUCE24ICUCE5RC2.4KRL2.4K2.4)RWUOPPUO2525RC2.4KRL2.4KIC(mA)Uim(mV)Uom(V)UOPP(V)*6RC2.4KRL2.4KIC2.0mAf1KHzuoUSUiUL2-6USRLUo2-62-6Ic2mARc2.4KRL2.4KRiKR0KUS(mv)Ui(mv)ULVUOV*7IC2.0mARC2.4KRL2.4KuifUO27f196727UimVflfofnfKHzUOVAVUO/Ui12RCRL3413DG6100RB120KRB260KRC2.4KRL2.4KAVRiRO23UBEUBUEUBE4RB25RB2UCE6RiRLRO7AVRiRO201KHz100KHz821K1K2K1K221211231KRPT1T2Ui0UO0RE31K22RE1EBEEEERUUI−≈UB1UB20EC2C1I21I==IE3BEEECC212E3C3RU)U(URRRII−++≈≈C3C1C1I21II==2REAd:RERPPbeBCiOd)R(121rRRUUA+++−==diC1d1A21UUA==diC2d2A21UUA−==23ECEPbeBCiC1C2C12RR)2RR21)((1rRRUUAA−≈++++−===0UUAiOC==AC3CMRRcdAACMRR=()dBAA20LogCMRRcd=f1KHZ112V234563DG63T1T29011313-1K1)AB12VUORPUO024T1T2REURE313-1UC1(V)UB1(V)UE1(V)UC2(V)UB2(V)UE2(V)URE(V)IC(mA)IB(mA)UCE(V)2)ABf1KHzC1C212VUi100mVUiUC1UC232uiuC1uC2UREUi3)ABAf=1kHzUi=1VUC1UC232uiuC1uC2UREUi231K12)13)32253-2Ui100mV1V100mV1VUC1(V)UC2(V)iC1d1UUA=//i0dUUA=//iC1C1UUA=//i0CUUA=//CMRR=C1d1AA11)2)CMRR3)CMRRCMRR262uiuC1uC23RE1121002AB3AB4UO5UO27RC1RC2RCRC1Hz1MHz1RC41,RRi41RCRC621fO=A29A&2RC42RC21fOπ=28||3A&42RC3T4343T5RC1f0=2RR′||1FA&&RC29112V234563DG122901321RC(1)4444RC(2)RC(3)RCuORf(4)(5)RC(6)RCRCRC3VRC30RC1V2RC1ff==2T(1)45(2)TT1UC167V(3)TRW1(4)45TRC*3RC(1)46(2)RC(3)RCRB2uO31*46RC12RC1RC2332121+6V210mA36V50Hz1KHz410mA51K10K100K100A1K151R13351IUi1iRU=I512525234II1I1R1I1IR2121)IRR(1I+=∴R1R2353ui53Iui1iRUI=IUiR135uiui454iI1AV1AV21)IRR(1+=Iii12I1sint121)IRR0.9(1+=I545553655RXUREFUPUNUREFI1IXXREF01REFRUURU−=)U(UURRREFOREF1X−=m2REFORRUUI+−=(UOUREF))R(RRRU2m1XREF+=IIR1RX0UOUREF37DDRXRXDR21211mA1002A7413W414IN40074IN41485IN472810.01f0.1f22141234383912161vi(+V1)(-V2)RV2−tstfI0trrtstftrrPNts262V2+V1viTicvo62viiC0.1ICS40tdiC0.1ICS0.9ICStrviiC0.9ICStS,iC0.9ICS0.1ICStftontdtrtofftStf6162CbD63CbPFviCbRb1viTtdtrviRb1TtstfCbCb41DTvOVCCECvOECDvOECvOtr3636415V+15V23456IN40073DG63DK22AK2RC42164E02V(1)vif100KHzVm=3VE0VvivOtStf(2)E02VvOtstf265vi100KHz3DG6A(1)BEbEb04VvOtdtrtstf(2)BRb130PFCbCbCb300PF6566(3)CbCL30PF(4)RL1K(5)RLD(2AK2)34366vif10KHzVPP4VE2V1V0V1VvO467vif10KHzE1V0V1V3V568vif10KHzVPP05VvO6768121+5V5V+3V3V2344TTL1TTL2TTL374LS2071(a)(b)(c)(b)a(c)7174LS2010110Y2TTL(1)ICCLICCH45ICCLICCHICCLICCHPCCLVCCICCLICCLICCH72(a)(b)[]TTLVCC5V105.5V4.5V(a)(b)(c)(d)72TTL(2)IiLIiHIiLIiLIiLIiHIiHIiHIiLIiH72(c)(d)(3)NO46NOTTLNOLNOHIiHIiLNOHNOLNOLNOL73RLRLIOLVOLVOLVOLm0.4VIOLNOL8IN=iLOLOLI(4)vOvivof(vi)VOHVOLVOffVONVTVNLVNH74RWViVO7374(5)tpdtpd0.5Vm0.5Vm2547(a)(b)tpd7575(a)tpdLtpdH2)tt(1tpdHpdLpd+=tpd75(b)TTLTA1A10A1A66Ttpd=TTLtpd10nS40nS74LS20711+5V23456774LS2021K10K200(0.5W)4871ICCL14mAVCC5VICCH7mAVCC5VIiL1.4mAVCC5V50AVCC5VVin2.4VIiH1mAVCC5VVin5VVOH3.4VVCC5VVin0.8VIOH400AVOL0.3VVCC5VVin2.0VIOL12.8mANO48VVOHVOLtpd20nsVCC5VVin3.0Vf2MHz14P74LS201TTL74LS20760110LED01LED102274LS20416111101111011110111104972AnBnCnDnY1Y211110111101111011110274LS20(1)727375(b)7373ICCL(mA)ICCH(mA)IiL(mA)IOL(mA)tpd=T/6(ns)iLOLOIIN=(2)74RWviOVvivO7474Vi(V)00.20.40.60.81.01.52.02.53.03.54.0VO(V)12507174LS20123TTLVCCGND74LS201414VCC7GNDNCTTL124.5V5.5VVcc5V3(1)1(2)VCC110K(2.4V4.5V)(3)4R6800R4.7K15(OC)(3S)65VRVccR35.1K511818121181825281D0000000011111111A0000111100001111B0011001100110011C0101010101010101Z000000010001011182DABC000111100001111111101ZABCBCDACDABDABCACDBCDABC⋅⋅⋅528214PCC40125382ABCDZ5115V2344CC4011274LS00CC4012374LS20CC403074LS86CC408174LS0874LS542(CC4085)CC4001(74LS02)12341123123233274LS5454JIHGFEDCBAY+++=551212438416n2n2nn3874LS13891(a)(b)A2A1A00Y7YS12S3S9174LS138S112S3S001S102S3SXS1X2S3S1156(a)(b)913874LS13891S12S+3SA2A1A00Y1Y2Y3Y4Y5Y6Y7Y100000111111110001101111111001011011111100111110111110100111101111010111111011101101111110110111111111100××××11111111×1×××11111111()92S12S3S057S12SS113S02S93ZABC+++CBACBACBA92933/84/16942a(LED)LED95(a)(b)(c)LED09580.50.3622.5V510mALEDBCD9474LS1384/16(a)1(b)0(c)95LED59bBCD74LS4774LS48CC4511CC4511BCDLED96CC451196CC4511ABCDBCDabcdefg1LEDLTLT01BIBI00LELE1LE0LE092CC4511CC451110010CC45