| 摘要 |
PROBLEM TO BE SOLVED: To obtain a high frequency oscillator capable of oscillating high frequency waves of different frequencies, without mounting a plurality of resonance circuits.SOLUTION: A transmission line 4 having one end connected with the collector terminal of an oscillation element 2, the other end connected with the collector terminal of an oscillation element 3, and a midpoint 4a connected with a power supply terminal 5, a transmission line 7 having a midpoint 7a connected with the high frequency output terminal 9, and electromagnetically coupled with the transmission line 4, a switching element 10 having one end connected with one end of the transmission line 7, and the other end connected with the ground, and a switching element 11 having one end connected with the other end of the transmission line 7, and the other end connected with the ground are provided, and a control section 13 controls switching of the switching elements 10, 11.SELECTED DRAWING: Figure 1 |
