Table 2 Comparison of investigated DB-BPF with existing filters
From: A compact conductor-backed CPW-based dual bandpass filter for satellite S-band and C-band
References | Insertion loss |S21| (dB) | Return loss |S11| (dB) | Pass band (GHz) | Size (mm)2 |
|---|---|---|---|---|
Qi Duan et al. | − 0.8 | − 30 | 4.5 | 195.61 |
Shanming et al. | − 1 | − 35 | 1.2 | 732.16 |
Zhenyu et al. | − 4 | − 34 | 0.5 | 485 |
Yien et al. | − 4.5 | − 25 | 0.4 | 900 |
This work | − 1.2 | − 35.2 | (2–3.8) and (4.3–7.8) | 175.5 |