| 摘要 |
PCT No. PCT/FR92/00585 Sec. 371 Date Mar. 1, 1993 Sec. 102(e) Date Mar. 1, 1993 PCT Filed Jun. 25, 1992 PCT Pub. No. WO93/00718 PCT Pub. Date Jan. 7, 1993.A tunable microwave bandstop filter device comprises a main microwave transmission line (1), at least one filter cell comprising a coupled line segment (4) coupled to the main transmission line (1) and arranged parallel to and remotely from the latter, and also a tunable LC resonant circuit (5, 6). According to the invention, the tunable LC resonant circuit (5, 6) is placed between one of the ends of the line segment (4) and the main microwave transmission line (1).
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