Conventional filter has two embodiments.

摘要

P the invention relates to a filter waveguide with multiple cavities making possible the production of the transfer functions of the bandpass filter - strip by cavities coupled. / p & & p & the filter is composed of a set of cavities waveguides in cascade, 11, 12, 1n, each resonating in a first and second orthogonal modes independent. In addition to the screw 21, 22,. 2N, the couplings intra - cavity, and the coupling plates 31, 32, 3 (n - 1), the end plate 5n is a reflective plate, the plate 51 having inlet and outlet slots. / p & & p & the invention applies to all filters -. & / p