实用数字信号源

@sh-wireless.com[4]74HC4046,EPROM/D/AISP,,,/,D/ATN830.2A1.,MCS-51DAC0832N/D/A120Hz20KHz231Hz45105−70.1V0.1V3.0V89132231S52%2%98%-1-112.2.1R-CV-FICL8038DDSCD4527R-C10-5[5]2.1.1frPDLPFVCON[4]2.1.1(a)2.1.1(a)frfoNfrfo/NfoN*frNNfr-2-(b)/D/A[1]2.1.1(b)/D/A/LM331AD650SGVFC32/103100KHzM331D650500KHzSGVFC32/D/A20KHz,SGVFC32500KHz25VFC74LS12474LS32405174HC40461020MHz1074HC40462.1.2ICL8038ICL8038ICL8038ICL80382.1.22.1.2ICL8038-3-[8][6]DDSRAM100KHz1000KHz10MHz10MHzN500107/500020000Hz19999HzN500.02550019999Hz2.1.5CD4527CD452710CD4527/D/A34678910764321-4-[7]62.1.574HC4046ICL8038ICL8038CMOS2.274HC4046/12RC0679fmax/fmin1036020020KHzVCO20020KHz4MHz2020000Hz10VCOLNNBCDzlg7289ALED2.3EPROM/29851EPROM62008614M27128A/-5-(/D/A)4/EPROM5MCS-51D/A174HC4046EPROM/D/A2ICL8038A/D3(DDS)EPROM/D/A74HC4046EPROM/D/ADAC08322.42.4-6-(3)374HC40463.1zlg7289ALEDISPLSI1032EMCS-51zlg7289ASPI8(64LED)64LEDzlg7289ABCD162MCS-51BCDP0.0P0.7ISPLSI1032E3D()11DP2.0P2.2WRDPLD3-8(LS138)P2.2P2.000000101013D-7-(VCO)foBCD4518(100)fi1200HzPLL100Hz20KHzCD40601414CD4060406014Q4Q10Q12Q1410Q1Q2Q3Q114RC3.2.1(a):-8-(a)CD4060RfRf22MCr451845184EN44CP4108421484518nn+1ENENCPCP0ENCP1CP45201111CP0EN45181001CP0EN74HC40463.2.1(b)-9-(b)20KHz3.2.218MUX1999Hz(10)2000Hz199Hz(01)200Hz(00)BCD4BCD3BCDBCD3A20KHzFPGA3.2.23.2.2-10-()A0(20KHz)A1(2KHz)A2(200Hz)(SIG)S1S0W3W0Q3Q0B3B1BCD4BCD4BCD3AB3.3N3.3.12020000HzVCO400KHz4MHz2KHz20KHzf0Nfr2001200Hz200Hz2000HzVCO400KHz4MHz2002KHz20KHz10200101200102000Hz20200Hz10020KHzN2000200002002000202001.20200Hzfr20KHz3.2768MHz200Hz100N20200L1002.2002000Hzfr2000Hz200Hz10N2002000L103.200020000Hzfr200HzN200020000L1FPGAVCO3.3.13.3.13.3.2NFPGACDU34(CDENLDCAICAO)74HC4046VCO1/N-11-(PLD)8533999853III(1000)II(0101)I(0011)G10()G2G3RSIIIIIICD(Q)1853G2G3RSG1G2G3RSG1CD0IQ0Q1Q010G101Q10010G2G3RSQCP1N1G1N3.3.2:3.3.28533.474HC404674HC4046CMOS404674HC4046CMOS4046VCOCMOS40460.44.5MHzVCO74HC404640464046()VCOfLRfCRPLL-12-ππ21221P2N3PN4PN1VCOVCOR250RCfLRfCR2133CMOSVCO0.51MHzVCO0.3%1%VCOI2.5V0.3V5V2.5V7V5VVDD5V10V15V4PLLCMOS-13-(a)PLL3.4fiMfREFfREFNPLLNfMfoi,iofMNfN5074HC404614MHz2fOfMAX/22MHz3fMAX/fMIN1040ΣANAAAAFd)0(00ΣVCO0AdA)0(FAN74HC40460AdA)0(FAVVfVfVfADDDDC58.022000ππ∆∆ππ252DDdVA)0(FA1N20200005fLfMAXfMIN3.6MHz-14-τAττ)1(212AAττtSnτtSNτω4tS1τ0.707n24rad/sn(2)2ωA6.25S2An12ωτ0.245SR27100KC1062.5uFC1022uFR284KR283.6KA200rad2/s-15-(b)74HC40463.53.5.1200[1][2][3]360200()200FPGA3.5.1CBU18(CDCAICAO)200200(11001000),NA0A7EPROM3.5.1200-16-[1][2][3]FPGA3.5.23.5.2A8A13EPROM8bitDFD18PCBA13A8000000LED3A13A8000001LED2A13A8000010110011(2%98%2%),LED13.6/[4]EPROM200/FPGA200EPROM8A0A7A9A8000110A13A100A13A80000101100112%98%2%8051P0.0P0.7PLD8bitDFD18(2%,98%)2%EPROM00HFFH00HFFH-100H+1FFH00HFFH/-17-]1)2002([×+=πnSinAAn0199EPROMM27128AM27128A131,072bit16,384words8bitEPROMICCEVCCVSS1F8VCCGND4.7FPCB3.7D/A[8]D/AD/AD/AEPROM8EPROMD/AD/A(PWM)D/A,DAC0832D/ADAC08328D/A1sµ20mWDAC0832:DAC0832DACDAC08321DACDAC(2WR0XFER0)2DAC0832DAC0832DAC0832DACD/A3(CS1WR2WRILEXFER)DAC0832(IOUT1IOUT2)DAC0832DAC08323.7(a)-18-(a)DAC0832EPROMDAC08323.7(b)3.7(b)EPROMDAC08323.7(c)3.7(c)DAC0832LM0623.80.1V3.0V0.1VDAC8032-19-(33)D/A1D/A1VREF-5V00HFFH00H0VFFH5V3V96H3.83.8D/A2A1D/A2VREFA28051P0.0P0.70.1V3.0V0.1V4.12FPGA(N200)34(/D/A)14060Q14(3)200HzCMOS4046fi451810040461004046(200Hz)VCO(4)20KHz2FPGA(N200)150Hz500Hz10KHzI/O73(74HC4046)20KHz2KHz200HzNI/O71(74HC4046)I/O73VCO15020K3MHz5002K1MHz10K2002MHz20010KHzQ0Q72MHz/22MHz/28367C114518100TTL74HC4046150pF-20-(/D/A)2255]1)2002([×+=πnSinAEPROM00HFFH00H0VFFH5VD/A1VREF5.1V00HFFH510.1V5H3V96HEPROM5.120Hz20KHzHz231Hz45106−674.570.1V0.1V3.0V8912.521.531S52%2%98%6[1]M2000.8[2]M2001.8[3]M2001.7[4]M1997.4[5]M1990.3[6]TTLM1980.1[7]CMOSM1980.1[8]M2000.6-21-[4].Forthisreason,it’sameaningfulchan