Microwave Reciprocal Latching Ferrite Phase Shifters
Final rept. 15 Sep 1971-15 Jun 1972
MICROWAVE APPLICATIONS GROUP SANTA MARIA CA
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In the search for small size, low cost, reciprocal latching microwave phase shifters, two promising designs were brought to the developmental prototype stage. Each employs a dual mode principle in which contra-rotating senses of circular polarization are subjected to controlled phase delay for opposing directions of propagation. In the first design, the dual mode propagating structure is a ridged waveguide with four equally spaced ridges to maintain double reflection symmetry. In the second design, the dual mode propagating structure is a combination balanced slotline and balanced microstrip both deposited with mutual interaction region within a ferrimagnetic substrate.
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