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