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ADF4117

RF PLL Frequency Synthesizers

GENERALDESCRIPTION TheADF4116familyoffrequencysynthesizerscanbeusedtoimplementlocaloscillatorsintheup-conversionanddownconversionsectionsofwirelessreceiversandtransmitters.Theyconsistofalow-noisedigitalPFD(PhaseFrequencyDetector),aprecisionchargepump,apr

ADF4117

300 MHz to 1000 MHz Quadrature Modulator

GENERALDESCRIPTION TheADL5370isthefirstinthefixed-gainquadraturemodulator(F-MOD)familydesignedforusefrom300MHzto1000MHz.Itsexcellentphaseaccuracyandamplitudebalanceenablehighperformanceintermediatefrequencyordirectradiofrequencymodulationforcommunicationsy

ADF4117

400 MHz to 6 GHz Broadband Quadrature Modulator

GENERALDESCRIPTION TheADL5375isabroadbandquadraturemodulatordesignedforoperationfrom400MHzto6GHz.Itsexcellentphaseaccuracyandamplitudebalanceenablehighperformanceintermediatefrequencyordirectradiofrequencymodulationforcommunicationsystems. FEATURES Outpu

ADF4117

單通道、整數(shù)N分頻1.2 GHz PLL; ? ADF4116: 550 MHz \n\n? ADF4117: 1.2 GHz \n\n? ADF4118: 3.0 GHz \n\n? +2.7 V至+5.5 V電源供電 \n\n? 雙模預(yù)分頻器 ADF4116: 8/9 ADF4117/ADF4118: 32/33;

ADF4116/ADF4117/ADF4118均為頻率合成器，可以用來(lái)在無(wú)線接收機(jī)和發(fā)射機(jī)的上變頻和下變頻部分實(shí)現(xiàn)本振。上述器件由低噪聲數(shù)字鑒頻鑒相器(PFD)、精密電荷泵、可編程參考分頻器、可編程A和B計(jì)數(shù)器以及雙模預(yù)分頻器(P/P+1)組成。A（5位）、B（13位）計(jì)數(shù)器與雙模預(yù)分頻器(P/P+1)配合，可實(shí)現(xiàn)N分頻器(N = BP+A)。此外，14位參考分頻器（R分頻器）允許PFD輸入端的REFIN頻率為可選值。如果頻率合成器與外部環(huán)路濾波器和電壓控制振蕩器(VCO)一起使用，則可以實(shí)現(xiàn)完整的鎖相環(huán)(PLL)。 \n\n 所有片內(nèi)寄存器均通過(guò)簡(jiǎn)單的三線式接口進(jìn)行控制。\n\n這些器件采用2.7 V (± 10%)或5 V (± 10%)電源供電，不用時(shí)可以關(guān)斷。\n\n

ADF4117BCP

RF PLL Frequency Synthesizers

GENERALDESCRIPTION TheADF4116familyoffrequencysynthesizerscanbeusedtoimplementlocaloscillatorsintheup-conversionanddownconversionsectionsofwirelessreceiversandtransmitters.Theyconsistofalow-noisedigitalPFD(PhaseFrequencyDetector),aprecisionchargepump,apr

ADF4117BRU

RF PLL Frequency Synthesizers

GENERALDESCRIPTION TheADF4116familyoffrequencysynthesizerscanbeusedtoimplementlocaloscillatorsintheup-conversionanddownconversionsectionsofwirelessreceiversandtransmitters.Theyconsistofalow-noisedigitalPFD(PhaseFrequencyDetector),aprecisionchargepump,apr

ADF4117BRU

50 MHz to 1000 MHz Quadrature Demodulator

GENERALDESCRIPTION TheAD8348isabroadbandquadraturedemodulatorwithanintegratedintermediatefrequency(IF),variablegainamplifier(VGA),andintegratedbasebandamplifiers.Itissuitableforuseincommunicationsreceivers,performingquadraturedemodulationfromIFdirectlytobaseba

ADF4117_15

RF PLL Frequency Synthesizers

ADF4117BRU

RF PLL Frequency Synthesizers

ADF4117BRU-REEL

RF PLL Frequency Synthesizers