Patent ID: 8421680

Claim:
A digital broadcasting antenna structure, comprising: a substrate including at least a first and a second face; a main antenna being arranged on the first face of the substrate; an amplifier being arranged on the first face of the substrate and electrically connected to the main antenna; a compensating unit being arranged on the second face of the substrate and electrically connected to the main antenna wherein the compensating unit includes a connecting section connected to the main antenna and a compensating section connected to the connecting section, the main antenna is extended through the substrate to electrically connect to the connecting section, the connecting section is downward extended from the joint with the main antenna and turns to extend upward to connect to the compensating section, the compensating section is in a form of a letter V, and the compensating section is arranged at a position without overlapping with the main antenna; a bandwidth modulating unit being arranged on the second face of the substrate and electrically connected to the compensating unit; and a grounding section being arranged on the second face of the substrate and electrically connected to the bandwidth modulating unit.