Research Article
Radiation Characteristics of 3D Resonant Cavity Antenna with Grid-Oscillator Integrated Inside
Table 1
Radiation parameters of passive and active (oscillator) cavity antennas.
| Antenna parameters | Passive antenna | Active antenna |
| (1) H-plane rad. pattern | | | BW, deg | 24 | 25 | SLL, dB | −21 | −18 | (2) E-plane rad. pattern | | | BW, deg | 22 | 23 | SLL, dB | −23 | −22 | (3) , GHz | 8.779 | 8.623 | (4) G, dB | 17.3 | 16.9 | (5) , % | 78.4 | 74.8 | (6) DC to RF efficiency, % | — | 26.0 | (7) EIRP, W | | 5.2 | (8) SSB, dBc/Hz | — | −82.0 |
|
|