Table 2. Comparison between normal SSRR, single and double spurlines filters.
Specifications | Proposed SSRR sensors | [17] | [18] | [16] | [19] | [20] | |||
---|---|---|---|---|---|---|---|---|---|
Normal SSRR [21] | with Single Spurline | with Double Spurlines | |||||||
Frequency [GHz] | 2.22 | 2.22 | 2.22 | 2.57 | 1.28 | 2.65 | 2.44 | 10.66 | 10.95 |
Q-Factor | 407.34 | 267.07 | 652.94 | ≈ 124 | ≈ 64 | 80 | 147 | 52 | 56 |
S21 [dB] | -15.32 | -14.55 | -8.92 | -16.60 | -22.34 | -21.00 | -5.52 | -18.50 | -18.50 |