nRF24xx匹配网络原理及调试

nRF24xx匹配网络原理及调试WHITEPAPERTuningthenRF24xxmatchingnetwork1.PrefaceThiswhitepaperdescribeshowtotunethematchingnetworkofthenRF24xxseriesradiosforoptimumperformance.ThenRF24L01isusedasanexample,butthemethodshownisapplicableforallNordic2.4GHzradios.Aspectrumanalyzerisneededtomonitortheoutputsignalandmeasuretheperformancewhilethecomponentsinthematchingnetworkarechanged.Thiswhitepaperdoesnotcoverantennatuning.2.HowitworksTheantennaconnectionfortheradiochipisdifferential.Theimpedanceisdifferentfrom50ohm.ThecomponentsbetweentheradioandtheantennaarecalledthematchingnetworkandconsistofthecomponentsshowninFigure1.Thematchingnetworkhas4maintasks:1.Transformthebala