FIELD: radio engineering.
SUBSTANCE: invention relates to the field of radio engineering, in particular to circuits for supplying direct current to strip lines. To create a broadband DC supply circuit to a strip line containing a quarter-wave stub connected in series, one end of which is connected to the strip line, the other end is connected to a capacitor, in turn, with a grounded opposite lining, and a capacitor, a section was introduced with a symmetrical bifurcation of this line and connection quarter-wave trail to the middle of one of the branches of the bifurcated line.
EFFECT: increasing the broadband isolation over the microwave DC source and strip line.
1 cl, 1 dwg
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