An AM-FM Digital Tuning System

Digital tuning system approaches to AM-FM broadcast receivers are becoming increasingly popular as manufacturers are finding lower component costs and increased features give their products greater appeal. Operational features of a digitally tuned receiver include: ¿ Precise tuning of station frequency ¿ Display of exact receive frequency ¿ Keyboard entry of station frequency ¿ Storage of multiple stations in memory ¿ Pushbutton up/down scan through the band ¿ Pushbutton search (stop on next station) ¿ Power on to last station ¿ Provision for time of day clock ¿ Static drive of LED for noise-free operation ¿ Able to address CB synthesizer