Planar active endfire radiating elements and coplanar waveguide

Details Planar active endfire radiating elements and coplanar waveguide Planar active endfire radiating elements and coplanar waveguide

1990-05-07

1992-08-25

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333219, 333246, 343767, H01P 308, H01P 1203

Patent

active

051422557

ABSTRACT:
Microwave and millmeter-wave system components are fabricated by using slotlines extending from the periphery of CPW resonators. This technique permits the degree of electrical coupling between the CPW and and the slotlines to be adjusted for matching, and the CPW resonators and slotlines behave as if they were relatively independent circuit elements, permitting transmission line models to be useful design tools and predicting the behavior of the system components. The system components are fully planar and allow easy integration of active and passive semiconductor devices in series with the CPW, and in shunt across the slotlines in hybrid and monolithic circuit forms. This technique also enables the conductive plane to be split for biasing semiconductor devices coupled to the CPW resonators for microwave and millimeter-wave power generation, tuning, mixing, filtering, frequency multiplication and switching. Integration with a notch antenna and slot-to-microstrip transitions are also described which permit a direct radiation/reception or a coaxial connector output.

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