Table 2 Performance comparison with other tunable bandpass filters
Reference | Frequency tuning (GHz) | Insertion loss (dB) | Bandwidth (MHz) | Rejection (dB) |
---|---|---|---|---|
This work (2-pole) | 4.5–10.1 | <6 | 29–39 | >25 |
This work (4-pole) | 4.5–10.1 | <11 | 11–17 | >35 |
YIG sphere11 | 2–8 | <5 | 20 | >50 |
Magnetostatic surface wave2 | 3.4–11.1 | <5.1 | 18–25 | >25 |
RF MEMS tunable filter33 | 6.5–10 | <5.6 | 306–539 | >50 |
3–6.2 | <4 | 15–25 | >50 |