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1—11a.0.5V5V1Hz1MHzb.0.1%2:a.0.5V5V1Hz1MHzb.0.1%(3)a.0.5V5V100sb.1%411051MHz62210.1Hz10MHz0.5V5V0.01%10s20.5V5V1Hz1kHz10%90%1%31Hz1MHz1%EPM7128SLC84-15LM361LM361Zlg7289.17-17-1127-237-22389c52ALTERA7128SLC84-151233.11TNf=N/TT213447-3CNT1CNT2CNT1CLK1SFCNT2CLKxFxeF7-3DQSNxNxF/xN=SF/SNxF=(SF/SN)*xN5SSxFFN//2∆+±=δSNSTSN=ST*SF1MHzSN/1≤δST0.1SN=0.1×100000=10000δ≤1×410−23SXWXFNT/=41WXTT=[1WXT/T]×100%589C5212MALE2M26D7-47-41PLD16T0T18247-57-52.737-67-645LM3617-77-78LM361.1(1)XFxeFSFPTxNsNXFPTXFxNSFsN1≤∆sxF/xN=SF/SNxeF/xN=SF/sSN∆+xF=(SF/SN)*xNxeF=(SF/sSN∆+)*xNxexxexexeFFFFF−=∆=δxexeFF∆=ssN∆1≤∆s9ssN∆sN1≤sxexeNFF1≤∆=δspsFTN×=PTSF2sF∆/sF2weTsFwTxNsxwFNT=xN1±sxswwFNFTT/)/1(=∆=1/xNxN=wT*sFsFwT=100ussF=1MHzxN=100%1100/1==∆wwTT1610T0T116327-8/0~20MHz111211a.0500Vb.050Ac.025kWd.025kvare./010500V050A05V2a.0.0004.999b.±0.85300V±0.8×300V0.5V±2.9Vc.±1.58d.±0.0132(1)(2)0.5V0.01V(3)(4)12AT89C5213PGA103CD4046\1/AD637AD5347-97-917-102289C52A/D14A/D7-10122.113A/DD/AA/D50D/A50.5A/DNA/D7-11N=INOUTVV=1+32RRPGA103×1×10×10×1127-1133212A/DAD57415LF398/A/D7-127-12/1223UIS=UI∫=TtuiTP0d)1(22PSQ−=cos=P/S4u(t)=∑∞=0[nnbcosn1ωt+nasinn1ωt]n=0123nanb0b161a1b1a=(T2)∫Ttu0)(sinn1ωtdt1b=(T2)∫Ttu0)(cosn1ωtdtu(t)1u=1asin1ωt+1bcos1ωt11cos2αUa=11sin2αUb=21U=21a+21b/2tg1α=1b/1aU11at=01a1b1a=(N2)[∑−=11[Nkkusin(N/2π)]1b=(N2)[∑−=11[Nkkucos(N/2π)]NkuK122UUU−=∑UU1ΣUTLC047-13TLC0450164TLC0464Hz17122UUU−=∑7-132//64*50=3200Hz//PD(LPF)(VCO)7-14fo=N*fiN7-142N/1823162TRULYM128647-157-15191PGA10312P3.4P3.5PGA103P3.4P3.5LF3988P1.423A/DA/DA/D489C52/7-16207-1612100k16/div10/div12div4div30.2s/div0.2ms/div10us/divDC10kHz8%40.1V/div1V/div8%56AT89C52A/DRAMCY7C007EEPROMRAMEPM712889C5271287-17RAMRAM217-171A/DTLC55100~2VA/DX92417-1822OP07100K7-18OP07CPUX9241V1±7-19V1±7-20+1VA/D0~2V7-217-197-207-21237-22))(/(12143OOUURRU−=)5||||)(1(9891010636106754RRRRRRURRRRRU+++=247-22Multisim2A/DRAMCPUA/DTLC551020MaCPU25bSRAM74245RAMCY7C0077-23CPUCPUCLEARA/DADD13A/DRAMADD13ADD13INTENDCPUCPUCLEARRAMRAM7-237-24DCLKCLKRAMA/DCLKCLEARINTENDCPUADD13CLKRAM(CY7C007)DA/DEPM712826CPU13RAM7-257-24EPLD7-25EPLDMAXPLUS23GAL16V827GAL16V87-26CPU573GAL16V8RAMEEROM7-264/ZLG7289SPICPUCPUI/OZLG7289MSG128647-277-28287-277-285RAMEEPROMCRCCRC7-297-2965.6KHZ7-30RAMCPUEEPROM297-30AUTO_SET.5.34K81superloopbackgroud(foregroud)7-31307-31317-327-32a:)1()1()()(−×−+×=nYanXanYtaFπ2)1(=atba2)]1()([)(−+=nYnYinsertYXy32I/O1%0.5%31PLD6M2x9241x9241.3334+/-5V,+/-12V45V-5V,+/-12V,4.5V5.5V-8V15V5ALTERA-7128S5V20mA:4.2—4.6V4.2V260mA4.6V440mA;(IN4007)(5V)IN40070.7V300mAALTERA-7128S6M25mA5V125mW1.5W87-33118TTL100Hz7-342a8b8c850k0.25~4V1634d20bit7-33Q0Q1Q7Q6Q5Q4Q3Q210ms80msclock7-340000010121LED8233381101003534AT89C527289P1810Hz100Hz1kHz10kHz100HzD/A32KRAMD/A88817-35117-35y0y7874LS1511DAC08323674LS161K10MV0YK110M74LS161QaQbQcy88VO8y0y7DAC0832D08K2827-3618174LS16174LS15174LS1388174LS161874LS15181ABC74LS161QaQbQc874LS1383874LS154D/A3887-362373D/A87-37P0887-373D/AD/AY38DAC0800123321X-YX12xyxy12821y81088040ms“”20ms83882020×ms256=us4KHz208102020××ms6.25=us17-387-39(1)72898“0”7-38“1”P0TTLTTLP020.254V397289DAC08008RAM6225632K7-39218100Hz8P17289874ALS245TTL250KΩJ-FETLF356LF35620MHz100Hz7-400.254V16LM311DAC08327-41DAC0832DAC083240LM311200ns387-407-41888Y417-428“”88P1.3LM311V15±DAC0800100ns87-424880bit32kbyteRAM62256P18P1.3P1.4572897-43zlg72898LED44×/CSCLKDIO/KEY8MHz7289427-437-440110Hz100Hz1KHz10KHz437-467-47440110Hz100Hz1KHz10KHz+37-447-457-467-47CC845RAM(1)COS5021CH8020MHz5mV/div0.02us/div(2)TektronixTDS21060MHz1GS/s2500(3)FLUKE45(8)0.01300.0M110Hz100Hz1KHz10KHz28880.254V0.25V1680bit+,LED80bit84446117-48a20Hz20kHzb100kΩc-1V5Vd2eABAB7-497-48GNDU1Uo1Uo2Uo3RRCCP7-50++AB47f0o~359.9o0.127-50a100Hz1kHz10kHzb4545cAB-0.3V5V217-50a20Hz20kHz20HzbAB-0.3V5Vc03591d2-0.3V5V34LM311DDDSCPLD.1.TcMxfxMx/TcTcMx48TxMofxMo/Tx7-51TcTdMoMxTofxfoMx/Mo7-512.RCA/Dfofx49(1.74HC4046EPROM/D/A7-52ICL80387-537-5274HC40467-53ICL8038DDSEPROM/D/A507-547-54DDSDDSDDSCPLD2.DDSRAMRAMRAMRAM,RAMRAMDDS51CPLDEPM7128SLC8415CPLD.1.UiUotT°×=360)(Ttϕ11tTtT7-55100msΓΓTMΓTM1ΓM2Γ100MHzn3Γ100MHz50m7-55T=050fm52°×=°×=°×=360503605036000mnfmfnMTMtϕ220kHz0.1Tw=61010013601.0××oo13.9ns30.1af20Hz20kHz0f°≤3600aff47-56CPLD530f60MHz0.116.67kHz0f100MHz0.127.78kHz20Hz~20kHz0.1100MHzCPLD7-56CLK100MHzCLK50XQtestCLK502MHz5074LS393CPLD100MHzCPLDEPM7128SLC84717-57PHASE0PHASEILM311PHASE00(PHASEI0)U1-7(U2-7)PHASE0(PHASEI)U1-7(U2-7)PHASE0(PHASEI)LM311U1-7(U2-7)PHASE0(PHASEI)U1-7(U2-7)75754PHASE0PHASEIDPHASE0PHASEIPHASE0U3AU3A-QU3BPHASEIU3BU3B-/QU3APHASE0U3A-Q/7-587-58fCPfMCPfMf××=0360φ2I/ODDDD100MHzMCPLD552.(1)DDS7-59DDSA/D7-59DDSDDSEPROM10359360(2)89C52262256CPLD(EPM7128SLC84-15)CPLD7-6074LS37388fadd2474374249RAMRAMDACDDSn2nTTL8fadd882=256na256(a)=360(256512)38fadd9RAM136095129360NCCNCC=15293601521RAMDDSRAMD/AoutfKNCoutKff2=CfN24MKKfout4305.1)5122()1024(156=×××=HzK=1outf4305.12=NCfHzoutfK:NKffCout=CfN24MKKfout0345.2)3602()1024(156=×××=HzK=1outf0345.22=NCfHz57K10HzK(3)D/A7-61D/ADAC0832DA0800DA0800RAMDDSDAC0832DAC08007-60CPLD7-61D/A58(4)D/A7-627-623.7-63NE55327-6359INU1OUTU2OUTU5R5Rk1k10≤≤k5RINUCRjkkCRjUωω++−=