J 17 equalizing network for satellite TV receivers

While the majority of satellite television channels have sound subcarriers with 50-µS or 75-µS pre-emphasis, certain channels, particularly French and Italian, use an alternative standard called J 17. Since most satellite TV receivers sold in Western Europe lack a J 17 de-emphasis, and suppliers and retailers do not want to know, the author has come up with a simple add-on filter to solve the problem.