Research Article
Ultrawideband Harmonic Suppression in Microstrip Patch Antenna Using Novel Defected Ground Structures
Table 2
Comparison between this work and references.
| Ref. | Fundamental freq. (GHz) | No. of harmonics supp. | DGS used | Extracircuit | DGS area ( × 104) |
| [8] | 5.775 | 3 | 2 square dumbbell | No | 108 | [9] | 1.79 | 2 | 1 square dumbbell | PBG | 120 | [10] | 0.9 | 3 | 2 square dumbbell | PBG | 891 | [11] | 3.12 | 4 | 2 circular dumbbell | Open stub | 102 | [12] | 3.125 | 4 | 2 partial ring | Open stub | 63 | [13] | 2.43 | 5 | 2 I-shaped DGS | Open stub | 149 | This work | 3.13 | 6 | Novel DGS | Open stub | 36 |
|
|