Engineering Aspects of the Application of Surface Wave Filters in Television I.F.´s

The introduction of a radically different component in a complex and competitive product such as a color television set is always a somewhat hazardous enterprise. In order to minimize the risk and to gain production and field experience, the decision was made by Zenith to produce a medium quantity of TV receivers equipped with a Surface Wave I.F. Filter (SWIF). This decision is currently being implemented and this paper is an initial report on some of the Engineering aspects of this experiment. Reference is made to a complementary paper,1 in which a detailed account is given of the surface-wave techniques applied in this filter.