In order to further increase the peak gain of the new digital
TV antenna, a rectangular EBG structure was added to the
antenna. The EBG consists of 3 x 11 elements as shown in
Fig.9. The dimensions of each element are 24 x 24 mm and
the gap between each two elements is 4 mm. The dimensions
of the EBG ground plane are 10 x 32 cm. Fig.10 shows the
return loss of the new digital TV antenna with the EBG
structure. The return loss is better than -10 dB over most of
the band. Fig.11 shows the efficiency of the EBG digital TV
antenna. The antenna efficiency exceeds 90% over most of the