Modeling andExperimental Verification toInvestigate theEffect ofPowerSupply Noise Imbalance on900MHzDifferential LNA

outtodifferential output ofLNA.Fortheinvestigation, PDN Inthis paper, theeffect ofpowersupply noise imbalance ofchip andPKG aremodeled withlumped components to on900MHzdifferential lownoise amplifier (LNA)output is estimate thepower supply noise ateach half circuit of investigated.~ ~ ~ ~ ~ Chi an.akg PGpwrdsrbto differential LNA.Alsoan equivalent circuit ofLNA is invetigted Chian pakage(PK)pwer istibuion modeled toestimate thenoise voltage atdifferential LNA network (PDN)aremodeled withlumpedcomponents to estimate thepowersupply noiseimbalance. Alsoan output andverified through measurements. equivalent circuit ofdifferential LNA ismodeled toestimate PowerSupply Noise Imbalance onDifferential LNA thenoisevoltage atdifferential LNA output andverified Itcanbeassumed that there isadifferential LNA,whichis through measurements. Theresults ofthis study reveal that the composed oftwosymmetric single-input/output half-circuits. powersupply noise imbalance ismainly caused byimpedanceEachhalf-circuit hasitsownpower/ground (P/G) nodesand resonances ofPKG PDN anditdirectly coupled tothe theyaretied byon-chip PDN. differential LNAoutput. Iftheon-chip PDNisideal, tied P/Gnodes ofhalf-circuits