A highly selective tunable filter with switchable bandpass and bandstop frequency response

Table 1. [in Chinese]
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Table 1. [in Chinese]
state f₀/GHz BW/MHz V₁/V V₂/V V₃/V
1 5.42 115.4 6.34 9.83 0
2 5.49 117.5 6.65 10.05 0
3 5.56 120.9 7.12 10.34 0
4 5.71 117.4 7.37 10.56 0
5 5.79 120.1 7.51 10.79 0

Table 2. [in Chinese]
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Table 2. [in Chinese]
state f₀/GHz BW/MHz V₁/V V₂/V V₃/V
1 5.58 85.3 6.65 10.58 0.89
2 5.64 76.2 6.95 10.95 0.89
3 5.71 77.6 7.12 11.13 0.89
4 5.80 76.1 7.37 11.69 0.89
5 5.89 78.5 7.51 11.94 0.89

Table 3. [in Chinese]

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Table 3. [in Chinese]

design	frequency tuning/GHz (bandpass/bandstop)	BW_3dB/MHz or FBW/% (bandpass/bandstop)	insertion loss/dB (bandpass)	return loss/dB (bandpass)	rejection level (bandstop)	circuit size/ λ²_g
of Ref.[15]	0.68～0.985/0.725～0.995	N/A	2.2～5.9	＞13	＞20	N/A
of Ref.[16]	1.9～2.3	2.5～3/3～7	3.3～6.5	＞10	＞15	0.188
of Ref. [17]	2.9～3.6	45～230	N/A	N/A	＞20	＞0.333
of this paper	5.42～5.79/5.58～5.89	（120±5）/（80±5）	1.69～2.25	＞13	＞14	0.178

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Hong Yang, Dewei Zhang, Xian Wang, Junjie Zhang, Dongfang Zhou, Yufan Fu. A highly selective tunable filter with switchable bandpass and bandstop frequency response[J]. High Power Laser and Particle Beams, 2021, 33(4): 043001

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