Wideband 180.degree. hybrid junctions

Details Wideband 180.degree. hybrid junctions Wideband 180.degree. hybrid junctions

1980-04-11

1981-09-08

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333121, 333123, H01P 519

Patent

active

042887623

ABSTRACT:
Coaxial, impedance-matched, four-port 180.degree. hybrid junctions for multioctave bandwidth operation include a gap in the outer shields of a port and a stub line at their interface for forming a uniform electric field within the gap. This gap and the interconnections between inner conductors and shields of certain ports and the stub, and the lengths of the port and stub lines are such that power input to a first port divides equally and in phase between two other ports with matched impedances and no power is at present at the fourth port. Similarly power fed into the fourth port divides equally, but 180.degree. out of phase, between the two other ports with matched impedances and no power is present at the first port.

REFERENCES:
patent: 3497832 (1970-02-01), Cohn
Laughlin, A New Impedance-Matched Wide-Band Balun and Magic Tee, IEEE Tra on MTT, 3/76, pp. 135-141.

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