Research Article

A Miniaturized Low-Loss Switchable Single- and Dual-Band Bandpass Filter

Table 2

The performance comparison for the switchable filters.

Refs.Responses3-dB fractional bandwidth (%)Return loss (dB)Inband insertion loss (dB)Number of diodesCircuit size (mm2)

[10]BPF/BSP/DBPF53.1/30.2/3.8 and 2.7>12/-/>10>0.9/>15.5/>2.26
[11]BPF1/BPF2/BSF95.7/25.3/106.0>11.4/>15/->0.94/>0.8/>15.06
[13]BPF1/BPF2/DBPF11.0/10.5/11.4 and 10.8>20/>19/>22>3.05/>3.1/>3.04
[15]BPF1/BPF29.0/9.0>10/>12>3.0/>2.02
This workBPF/DBPF13.7/15.8 and 11.2>14/<18.8>1.6/>2.02

: estimated value.