AD8304对数放大器的开放型数字式光功率计

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2012720SCIENCE&TECHNOLOGYVISIONScience&TechnologyVision0[1],。,、,。、,。PIN,,I/V,A/D,,,。,,,,。,,。1310nm,PIN,,,,A/D。,,。,。,。,。,,。1PIN、AD8304、ADC0809STC89C51。1。PIN,,,A/D,,,LCD。1,;。。A/D,;。22.1PN,,,。,,。PINSi、Ge、InGaAsPInGaAs。Si900nm,0.4~0.9λ/μm;Ge1500nm,0.8~1.5λ/μm;InGaAs1600nm,1.0~1.6λ/μm。PINAD830412(1.710126;2.710000)【】AD8304,,,,,,,,,,,。【】;;47SCIENCE&TECHNOLOGYVISION2012720Science&TechnologyVisionρλ2。2PINρλ1310nm,InGaAs。,InGaAs-PIN(PIN30723)。、、。,,,In-GaAs-PIN;,Si-PINGe-PIN,,,。2.2AD8304。,、。,,。AD8304:。,。A/D,[2]。P。:P=K2VOUT+C2(2-1):P=101gPPD,K2=10K1,C2=101gIPDρ!-10C1K1VOUTAD8304;IPD;K1C1,;ρ;PPD。,PPDmWPdBm。K2C2,VOUTP(dBm)。,。2。2AD8304A/D,,,AD8304;,AD8304,,。,。2.3、、,,ADC0809,ADC0809CMOSA/D,8、、、8D/A、、。,。ADC0809STC89C51。STC89C51//,8051,,A/D。,。,LCD1602,LCD、,LCDMCU。A/D:ADC,ADCPINAD8304ADC0809。,ADC,K,C。ADCADC,n=0,ADCS,(108)48SCIENCE&TECHNOLOGYVISION2012720Science&TechnologyVision(48)ADCADCx,ADCADC。n0S,ADCn=ADCxADC(n+1),n,nKCKnCn,Y=Kn×ADCx+Cn,YADCx。,ADC,K,C。3,AD8304,dBm,,1:1,。ADC0809ADC,。,KC。ADCKC,Y=Kn×ADCx+CnADC()。,-40dBm~0dBm,。4PIN,,,,,,。,。,。【】[1].[N].,2002-02-25.[2].[J].,200810,15,10.[:]S,,:8090,,、、;90,,,,、。90,、、、。3,,,、,,,。:、、、、、、、、、。[2]。,。,、[3]。4,。,。WTO,,,。,。,。,,,,。【】[1].[M].:,2010,2.[2].[J].,2010(4):117-117.[3].[J].,2009(7):230-230.[4].[J].,2010(11):569-569.[:]S108

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