| 摘要 |
PROBLEM TO BE SOLVED: To provide a high frequency oscillation circuit that is stably adjusted by reducing dispersion of adjustment. SOLUTION: The high-frequency oscillation circuit is provided with an oscillation circuit section 4, where an oscillation transistor(TR) 1 is connected to one end of an oscillation microstrip line 2, a resonance circuit section 8a, where a resonance TR 6 is connected to one end of a resonance microstrip line 11 and the other end is in open state, and a dielectric resonator 9 placed between the oscillation circuit section and the resonance circuit section, and the resonance microstrip line whose length is made slightly longer is placed and the frequency variable range can be adjusted, by cutting off the microstrip line in the vicinity of an open end.
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