Using a One-Chip Microprocessor for TV Tuning and Remote Control

While many types of electronic tuning systems have been suggested and tried and several are being produced and sold, all have been custom designs; dedicated I.C.´s having long design cycles and costly tooling. By the time the TV manufacturer receives the first sample custom I.C.´s he may discover that the features originally proposed are no longer popular. The long-term investment, however, forces him to go into production with an obsolete design.