Wave transmission lines and networks – Coupling networks – With impedance matching
Patent
1981-02-03
1983-01-18
Gensler, Paul L.
Wave transmission lines and networks
Coupling networks
With impedance matching
333251, 333257, H01P 106, H01P 502
Patent
active
043694136
ABSTRACT:
A TE.sub.01 circular mode waveguide expansion joint, tapered transition dce in which the expansion joint includes a linear tapered section, the greatest diameter of which does not exceed the cutoff diameter for the TE.sub.02 spurious mode. A second taper of the cosine or other suitable type minimizes TE.sub.02 mode generation as the guide diameter increases past the TE.sub.02 cutoff value. The expansion, transition device simultaneously performs the functions of expansion section and waveguide diameter transition for the TE.sub.01 circular mode while minimizing spurious mode generation.
REFERENCES:
patent: 2632804 (1953-03-01), Jouguet
patent: 2656515 (1953-10-01), Hansen et al.
patent: 3050701 (1962-08-01), Tang
patent: 3822412 (1974-07-01), Carlin et al.
patent: 4247838 (1981-01-01), Sirel
patent: 4283727 (1981-08-01), Martel et al.
Devan Joseph M.
Milligan Hugh
Beers Robert F.
Fendelman Harvey
Gensler Paul L.
Johnston Ervin F.
The United States of America as represented by the Secretary of
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