| 摘要 |
PROBLEM TO BE SOLVED: To provide a resonator in which fine control of a resonance frequency is made possible by finely adjusting a length of a resonant element. SOLUTION: In a half wavelength (λ/2) resonator composed of a microstrip line or a strip line, line pattern parts 4-1 to 4-n are located symmetrically with respect to a reference line Rx, connected to be mutually L-shaped, and formed into closed loop to have open terminals 4A and 4B. A pair of line pattern parts 4-1 having the open terminals 4A and 4B are mutually oppositely extended such that a base part to connect the adjacent line pattern part 4-2 is proximate to the reference line Rx and the open terminals 4A and 4B are located away from the reference line Rx. COPYRIGHT: (C)2004,JPO
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