Directional couplers of the branchline type

Details Directional couplers of the branchline type Directional couplers of the branchline type

1985-09-05

1987-09-29

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333238, H01P 518

Patent

active

046971610

ABSTRACT:
A directional coupler of the 3 DB and 90 degree branchline type with four ports. Four pairs of coupled lines of microstrip construction provide the connections between the ports. The first and third ports are opposite each other as are the second and fourth ports, with the first and third ports connected to associated circuits and the second and fourth ports unconnected.

REFERENCES:
patent: 3996533 (1976-12-01), Lee
patent: 4075581 (1978-02-01), Davidson et al.

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