| 摘要 |
PROBLEM TO BE SOLVED: To provide a dielectric filter which realizes a desired characteristic and also simply adjusts an arrangement relation in assembly parts even when the set angle of a bent part is made small. SOLUTION: This filter contains a cutoff waveguide 1 having one bent part 10, two coaxial dielectric resonators 21 and 22 arranged almost coaxially in the cutoff waveguide at an interval on the both sides of the part 10, a rod- shaped input side antenna 32 whose front end side approaches or is inserted into an input side inner conductor of the resonator 21 arranged on an input side and a rod-shaped output side antenna 42 whose front end side approaches or is inserted into an output side inner conductor of the resonator 22 arranged an output side. In such a case, each adjacent side end plane of a pair of the adjoining resonators 21 and 22 on both sides of the part 10 forms an inclination plane that is in parallel or almost parallel with a cross sectionαof the bent part which goes through each center or almost center of inner and outer peripheral sides of the part 10 of the waveguide 1.
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