Compact 90.degree. monolithic GaAs coupler for wireless applicat

Details Compact 90.degree. monolithic GaAs coupler for wireless applicat Compact 90.degree. monolithic GaAs coupler for wireless applicat

1996-10-02

1998-05-05

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333116, H01P 516

Patent

active

057480567

ABSTRACT:
A coupler device is disclosed which has an improved structure. The structure includes a substrate and, input ports and output ports disposed over the substrate. A plurality of inductors and capacitors are further included, which are arranged in a predetermined configuration and coupled between the ports. A layer of dielectric material is also disposed between the inductors and substrate which improves performance by reducing the dissipation losses and enhancing the frequency response of the coupler.

REFERENCES:
patent: 3593208 (1971-07-01), Smith
patent: 4777458 (1988-10-01), Pardini
patent: 5382925 (1995-01-01), Hayashi

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