Table 5 The result of the varactor reverse bias voltage (VR) on the frequency, efficiency, and \(10\text{ dB}\) BW of the suggested filtenna
Reverse voltage VR (Volt) | Capacitance (PF) | Frequency (GHz) | Efficiency (%) | \(10\text{dB}\) BW (MHz) |
|---|---|---|---|---|
0 | 2.6 | 1.96 | 59 | 53 |
2.5 | 1.4 | 2.422 | 60 | 34 |
4.5 | 0.95 | 2.608 | 60 | 33.9 |
10 | 0.75 | 2.917 | 58 | 40.3 |
20 | 0.63 | 3.3 | 55 | 33.9 |
30 | 0.54 | 3.52 | 49 | 45 |