Research Article
Design and Validation of an Antipodal Vivaldi Antenna with Additional Slots
Table 3
Comparative analysis of other Antipodal Vivaldi Antennas.
| Ref. No. | Substrate Type | | tan | Dimension (LWH) [mm] | Frequency [GHz] | Gain [dBi] | Impedance Bandwidth | Radiation Efficiency | Cross Polarization | Application |
| our AVA | ISOLA | 3.0 | 0.0017 | 090.00080.001.524 | 01.0–13.0 | 7 | 3.608–4.904 GHz, 35% | 90% | -15.485 dB | applicable for all | 5.592 GHz, 134.69% | bellow application |
| [14] | FR4 | 4.30 | 0.0250 | 060.00060.000.800 | 02.4–14.0 | 5 | 141% | NA | -15.0 dB | UWB | [15] | FR4 | 4.40 | 0.0180 | 056.00050.000.800 | 02.0–12.0 | 1.5–5.2 | 166% | 60–83% | NA | UWB | [16] | PTFE | 2.55 | 0.0020 | 046.00045.000.800 | 03.1–10.6 | 5 | NA | NA | -14.5 dB | UWB | [17] | FR4 | 4.40 | 0.0020 | 040.16042.561.400 | 03.1–10.6 | 5 | NA | NA | -20.5 dB | UWB | | RO30006 | 6.00 | 0.0020 | 039.40034.601.000 | 03.1–10.6 | 5 | NA | NA | -20.5 dB | UWB | [18] | ARLON600 | 6.15 | 0.0030 | 190.01128.011.575 | 00.8–12.0 | 6.32 | 163% | NA | NA | eng. harwesting | [19] | FR4 | 4.60 | 0.0200 | 040.00040.001.600 | 3.01–06.8 | 5.9 | NA | 95% | NA | microwave imaging | [20] | FR4 | 4.30 | 0.0025 | 100.00100.001.000 | 1.00–05.0 | 7.0 | NA | NA | NA | microwave imaging | [21] | DURIOD5870 | 2.33 | 0.0012 | 060.50040.000.787 | 4.73–25.0 | 4.0 | 405.4% at 5 GHz | NA | 17 dB | UWB radars | [22] | FR4 | 4.40 | 0.0200 | 300.00230.000.810 | 00.6–02.6 | 7 | NA | 98% | NA | LTE | [23] | NA | 2.33 | NA | 274.00282.001.575 | 0.40–09.8 | 10.0 | 184.3% | 93% | NA | UWB | | NA | 2.33 | NA | 161.25140.001.575 | 0.83–09.8 | 10.0 | 175.8% | 93% | NA | UWB | [24] | FR4B | 2.65 | 0.0010 | 090.00093.500.800 | 1.32–17.0 | 6.4 | 171% | NA | NA | UWB | [25] | Tacvonic CER10 | 10.0 | NA | 260.00185.001.500 | 0.5–02.0 | 7.0 | 120% | NA | NA | UWB radars |
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