Plural plane waveguide coupler

Details Plural plane waveguide coupler Plural plane waveguide coupler

1988-08-12

1989-11-21

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333238, H01P 518

Patent

active

048825557

ABSTRACT:
A quadrature hybrid coupler for coupling electromagnetic power between a first coplanar waveguide disposed on a first side of a circuit board and a second coplanar waveguide disposed on a second side of the circuit board is formed by means of a first pad and a second pad disposed in respective ones of the waveguides. The pads are formed as a widening of a central strip conductor of each of the waveguides. The pads are in registration with each other. Circumferential slots defining the pads are widened in proportion to a widening of the strip conductor to retain a characteristic impedance of the waveguides from ports of the coupler through the pads.

REFERENCES:
patent: 4313095 (1982-01-01), Jean-Frederic
patent: 4591812 (1986-05-01), Stegens et al.
patent: 4737740 (1988-04-01), Millican et al.

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