| 摘要 |
PROBLEM TO BE SOLVED: To obtain an inexpensive microwave circuit that is easily assembled, whose phase shift and attenuation can be changed and whose manufacturing time can be reduced because reproduction of a semiconductor board taking much manufacturing time is not required in the case of redesign of the circuit. SOLUTION: In this microwave control circuit, semiconductor boards 2a, 2b are provided between dielectric boards 1b and 1d. SPDT switches 3a, 3b are provided on the semiconductor boards 2a, 2b, and the dielectric boards 1b and 1d are switched by the switches and have passing phases different from each other.
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