Cable television apparatus with improved choke

A cable television apparatus applied to an input coaxial cable and an output coaxial cable to transmit a cable television signal, the cable television apparatus comprising:

• an improved choke electrically connected to the input coaxial cable and the output coaxial cable;
• an input side electrically connected to one side of the improved choke and the input coaxial cable;
• an output side electrically connected to the other side of the improved choke and the output coaxial cable;
• an input capacitor, one side of the input capacitor electrically connected to one side of the improved choke and the input side;
• and
• an output capacitor, one side of the output capacitor electrically connected to the other side of the improved choke and the output side,
• wherein the improved choke comprises:
• a conductive wire, one side of the conductive wire electrically connected to the input side and one side of the input capacitor, the other side of the conductive wire electrically connected to the output side and one side of the output capacitor;
• and
• a ferrite core covering one part of the conductive wire,
• wherein the ferrite core is a high saturation current ferrite core,
• wherein the improved choke further comprises:
• an insulating sleeve covering one part of the conductive wire,
• wherein the ferrite core covers one part of the insulating sleeve;
• the conductive wire and the insulating sleeve are through the ferrite core;
• the insulating sleeve is arranged between the conductive wire and the ferrite core, so that the conductive wire is insulated from the ferrite core;
• the insulating sleeve is made of plastics;
• the ferrite core is a cylinder;
• a height of the cylinder is 12 millimeters;
• a first diameter of the cylinder is 11 millimeters;
• the cylinder defines a center through hole;
• the conductive wire and the insulating sleeve are through the center through hole;
• a second diameter of the center through hole is 2.7 millimeters;
• a width of the gap is 0.2 millimeter.