Abstract: The cascade connection of dissimilar types of couplers is studied. In a simulated three-section coupler, central section with tight coupling (1 dB) is trans-directional; two external sections with loose coupling (12 dB) are contradirectional. The resulting coupler becomes trans-directional with 3 dB coupling. Transdirectional coupledline section is formed by vertical insert of ceramics with a high dielectric permeability. A prototype was designed for operating in X-band (8–12 GHz) and measured. Its performance was evaluated as acceptable.
Keywords: coupled lines, trans-directional coupler, vertical insert
For citation:
Sychev A. N., Struchkov S. M., Rudyy N. Yu. Three-section trans-directional coupler of X-band. Doklady Tomskogo gosudarstvennogo universiteta sistem upravleniya i radioelektroniki, 2015, no. 4(38), pp. 12–16.
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