Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1978-02-16
1979-09-18
La Roche, Eugene R.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333230, 333208, H01P 512
Patent
active
041684788
ABSTRACT:
Apparatus for separating electrical signals of different frequencies comprising two adjoining waveguides wherein both of the signals to be separated exist in one waveguide and only the higher frequency signal exists in the second waveguide including a radial circuit supressor attached to the first waveguide and with an extending center conductor extending through an opening formed in the first waveguide at a spacing of approximately one-quarter wavelength of the lower frequency band and wherein the center conductor of the radial circuit suppressor extends into the first waveguide a distance of approximately one-quarter wavelength for the center frequency of the higher frequency signal. A modification of the invention provides for a resonant cavity attached to the first waveguide with a longitudinal slot formed between the first waveguide and the resonant cavity and a third modification utilizes an inductive diaphragm rather than a slot formed between the resonant cavity and the first waveguide.
REFERENCES:
patent: 3978434 (1976-08-01), Morz et al.
La Roche Eugene R.
Siemens Aktiengesellschaft
Wise Robert E.
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