FIELD: manufacturing technology.
SUBSTANCE: use for creation of microstrip directional coupler. Essence of the invention consists in that on one side of the ceramic substrate there is a topology of two connected microstrip transmission lines of saw-tooth shape and four sections of microstrip transmission lines, connected microstrip transmission lines are made with variable distance between them along exponential law along the whole length and have asymmetric structure relative to transverse plane, on sharp projections of "saw" teeth there are made rectangular cuts.
EFFECT: improved electrical characteristics.
1 cl, 3 dwg
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