¡á IntroductionThis is a Band-Pass Filter of high-voltage dielectric substance that is a key part of PLC using high-voltage distribution lines and is used to couple communication signals. This separates only communication signal frequencies among frequencies transferred through power lines, by-pass signal attenuation from pole-mounted transformers or each Loss Component, and then transfers them to low-voltage distribution lines or transfers high-voltage distribution signals. ¢º Main Functions1. By-pass communication signals(100§Õ¢¦23§Ö) transferred with high-voltage distribution line power2. By-pass Drain Coil upon dielectric breakdown to ground.3. Prevent high voltage from incoming with communication signals¢ºApplications High Speed PLC Subscriber Network PLT(Power Line Telecommunication)