Quarter wave microstrip directional coupler having improved dire

Details Quarter wave microstrip directional coupler having improved dire Quarter wave microstrip directional coupler having improved dire

1978-08-28

1980-08-05

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333116, H01P 518

Patent

active

042164460

ABSTRACT:
An improvement in directivity and isolation of a quarter wave microstrip directional coupler is achieved with the addition of a single capacitor placed across the directive port of the coupler.

REFERENCES:
patent: 3012210 (1961-12-01), Nigg
patent: 3315182 (1967-04-01), Woolley, Jr.
patent: 3593208 (1971-07-01), Smith
patent: 3601716 (1971-08-01), Bolt et al.

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