A NEW DESIGNAPPROACHTODIGITALLY TUNEDRADIORECEIVERS
W. Beckenbach · 1979
SUMMARY A novel systemsappoachto the designof modernradioreceiveris presented.Main directionsof 'SYSTEM 1000'researchprogramon a new familyof integratedcircuitsfor radioreceiversare discussedon the exampleof adaptationof the 'pseudoclosed loop'techniquefor FM tuner design.SeveralFM receiver designoptionsare analyzed, includingautomaticstationsearch and band scanningcircuits,Weather Band front-enddesign,automatic tuningcontroland frequencydisplayingtechniquesbased on 'SYSTEM 1000'family.