Bandpass filter with plurality of wave-guide cavities

Details Bandpass filter with plurality of wave-guide cavities Bandpass filter with plurality of wave-guide cavities

1982-12-13

1985-04-23

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333209, 333230, H01P 116, H01P 1208

Patent

active

045132640

ABSTRACT:
A bandpass filter 8 has a plurality of cascaded wave-guide cavities 11, 12 1N and inter-cavity coupling means 36, 37. One or more of the cavities 12, 1N is rotated relative to an input reference mode 52. The rotation causes quasi-orthogonal coupling structures to be introduced into said cavities 11, 12 1N. The rotation of one or more cavities enables symmetric or asymmetric amplitude and phase responses to be produced as desired.
The filter can be used in channel multiplexers for satellite communication systems.

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