Broadband four-port TEM mode 180.degree. printed circuit microwa

Details Broadband four-port TEM mode 180.degree. printed circuit microwa Broadband four-port TEM mode 180.degree. printed circuit microwa

1984-05-14

1986-03-25

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333120, 333121, 333204, H01P 519

Patent

active

045786526

ABSTRACT:
A broadband TEM mode four-port hybrid in a single-level microwave circuit in a transmission line medium selected from among the stripline, microstrip, airstrip, etc. media. The device employs coupled strip all-pass filter elements to provide a hybrid wherein isolation to the cross ports, power division to the coupled ports, and the 0.degree. and 180.degree. output phase relationships are independent of frequency over substantial frequency bandwidths.

REFERENCES:
patent: 3229233 (1966-01-01), Pon
patent: 3530407 (1970-09-01), Blight
patent: 3742392 (1973-06-01), Schwarzmann
patent: 4323855 (1982-04-01), Gerlach
patent: 4420839 (1983-12-01), Hogerheiden, Jr.

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