| 摘要 |
PROBLEM TO BE SOLVED: To provide a microwave filter suitable to prevent a microwave from being attenuated when an external component is not required in a small size and a low-range spurious waves are generated from a signal source. SOLUTION: The microwave filter 11 includes a short stub 13 having one end connected to a transmission line and the other end connected to a ground and having higher characteristic impedance Za than the transmission line and a stub length L set to 1/4 or less of a fundamental wave wavelengthλ. COPYRIGHT: (C)2005,JPO&NCIPI
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